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Navidi G, Same S, Allahvirdinesbat M, Nakhostin Panahi P, Dindar Safa K. Development of novel hybrid nanomaterials with potential application in bone/dental tissue engineering: design, fabrication and characterization enriched-SAPO-34/CS/PANI scaffold. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024:1-25. [PMID: 38953859 DOI: 10.1080/09205063.2024.2366638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Accepted: 06/06/2024] [Indexed: 07/04/2024]
Abstract
Fe-Ca-SAPO-34/CS/PANI, a novel hybrid bio-composite scaffold with potential application in dental tissue engineering, was prepared by freeze drying technique. The scaffold was characterized using FT-IR and SEM methods. The effects of PANI on the physicochemical properties of the Fe-Ca-SAPO-34/CS scaffold were investigated, including changes in swelling ratio, mechanical behavior, density, porosity, biodegradation, and biomineralization. Compared to the Fe-Ca-SAPO-34/CS scaffold, adding PANI decreased the pore size, porosity, swelling ratio, and biodegradation, while increasing the mechanical strength and biomineralization. Cell viability, cytotoxicity, and adhesion of human dental pulp stem cells (hDPSCs) on the scaffolds were investigated by MTT assay and SEM. The Fe-Ca-SAPO-34/CS/PANI scaffold promoted hDPSC proliferation and osteogenic differentiation compared to the Fe-Ca-SAPO-34/CS scaffold. Alizarin red staining, alkaline phosphatase activity, and qRT-PCR results revealed that Fe-Ca-SAPO-34/CS/PANI triggered osteoblast/odontoblast differentiation in hDPSCs through the up-regulation of osteogenic marker genes BGLAP, RUNX2, and SPARC. The significance of this study lies in developing a novel scaffold that synergistically combines the beneficial properties of Fe-Ca-SAPO-34, chitosan, and PANI to create an optimized microenvironment for dental tissue regeneration. These findings highlight the potential of the Fe-Ca-SAPO-34/CS/PANI scaffold as a promising biomaterial for dental tissue engineering applications, paving the way for future research and clinical translation in regenerative dentistry.
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Affiliation(s)
- Golnaz Navidi
- Brozek Lab, Chemistry and Biochemistry Department, University of OR, Eugene, Oregon
| | - Saeideh Same
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Allahvirdinesbat
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Kazem Dindar Safa
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
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Bello SA, Cruz-Lebrón J, Rodríguez-Rivera OA, Nicolau E. Bioactive Scaffolds as a Promising Alternative for Enhancing Critical-Size Bone Defect Regeneration in the Craniomaxillofacial Region. ACS APPLIED BIO MATERIALS 2023; 6:4465-4503. [PMID: 37877225 DOI: 10.1021/acsabm.3c00432] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Reconstruction of critical-size bone defects (CSDs) in the craniomaxillofacial (CMF) region remains challenging. Scaffold-based bone-engineered constructs have been proposed as an alternative to the classical treatments made with autografts and allografts. Scaffolds, a key component of engineered constructs, have been traditionally viewed as biologically passive temporary replacements of deficient bone lacking intrinsic cues to promote osteogenesis. Nowadays, scaffolds are functionalized, giving rise to bioactive scaffolds promoting bone regeneration more effectively than conventional counterparts. This review focuses on the three approaches most used to bioactivate scaffolds: (1) conferring microarchitectural designs or surface nanotopography; (2) loading bioactive molecules; and (3) seeding stem cells on scaffolds, providing relevant examples of in vivo (preclinical and clinical) studies where these methods are employed to enhance CSDs healing in the CMF region. From these, adding bioactive molecules (specifically bone morphogenetic proteins or BMPs) to scaffolds has been the most explored to bioactivate scaffolds. Nevertheless, the downsides of grafting BMP-loaded scaffolds in patients have limited its successful translation into clinics. Despite these drawbacks, scaffolds containing safer, cheaper, and more effective bioactive molecules, combined with stem cells and topographical cues, remain a promising alternative for clinical use to treat CSDs in the CMF complex replacing autografts and allografts.
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Affiliation(s)
- Samir A Bello
- Department of Chemistry, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, Puerto Rico 00931, United States
- Molecular Sciences Research Center, University of Puerto Rico, 1390 Ponce De León Ave, Suite 1-7, San Juan, Puerto Rico 00926, United States
| | - Junellie Cruz-Lebrón
- Department of Chemistry, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, Puerto Rico 00931, United States
- Molecular Sciences Research Center, University of Puerto Rico, 1390 Ponce De León Ave, Suite 1-7, San Juan, Puerto Rico 00926, United States
| | - Osvaldo A Rodríguez-Rivera
- Department of Chemistry, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, Puerto Rico 00931, United States
- Molecular Sciences Research Center, University of Puerto Rico, 1390 Ponce De León Ave, Suite 1-7, San Juan, Puerto Rico 00926, United States
| | - Eduardo Nicolau
- Department of Chemistry, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, Puerto Rico 00931, United States
- Molecular Sciences Research Center, University of Puerto Rico, 1390 Ponce De León Ave, Suite 1-7, San Juan, Puerto Rico 00926, United States
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Li M, Tian W, Yu Y, Zhang Y, Zhang B, Xu J, Wang J. Effect of degumming degree on the structure and tensile properties of RSF/RSS composite films prepared by one-step extraction. Sci Rep 2023; 13:6689. [PMID: 37095290 PMCID: PMC10126198 DOI: 10.1038/s41598-023-33844-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 04/19/2023] [Indexed: 04/26/2023] Open
Abstract
Regenerated silk fibroin (RSF) and regenerated sericin (RSS) have attracted much attention for tissue engineering due to excellent biocompatibility and controllable degradation. However, pure RSF films prepared by existing methods are brittle, which limits applications in the field of high-strength and/or flexible tissues (e.g. cornea, periosteum and dura). A series of RSF/RSS composite films were developed from solutions prepared by dissolving silks with different degumming rates. The molecular conformation, crystalline structure and tensile properties of the films and the effect of sericin content on the structure and properties were investigated. Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction results revealed more β-sheets in films prepared by boiling water degumming than in Na2CO3-degummed RSFC film. Analysis of mechanical properties showed that the breaking strength (3.56 MPa) and elongation (50.51%) of boiling water-degummed RSF/RSS film were significantly increased compared with RSFC film (2.60 MPa and 32.31%), and the flexibility of films could be further improved by appropriately reducing the degumming rate.
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Affiliation(s)
- Meng Li
- College of Textile and Clothing Engineering, Soochow University, No. 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, 215123, Jiangsu, China
| | - Wei Tian
- College of Textile and Clothing Engineering, Soochow University, No. 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, 215123, Jiangsu, China
| | - Yangxiao Yu
- College of Textile and Clothing Engineering, Soochow University, No. 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, 215123, Jiangsu, China
| | - Yao Zhang
- College of Textile and Clothing Engineering, Soochow University, No. 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, 215123, Jiangsu, China
| | - Boyu Zhang
- College of Textile and Clothing Engineering, Soochow University, No. 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, 215123, Jiangsu, China
| | - Jianmei Xu
- College of Textile and Clothing Engineering, Soochow University, No. 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, 215123, Jiangsu, China
| | - Jiannan Wang
- College of Textile and Clothing Engineering, Soochow University, No. 199 Ren-Ai Road, Suzhou Industrial Park, Suzhou, 215123, Jiangsu, China.
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Wu H, Lin K, Zhao C, Wang X. Silk fibroin scaffolds: A promising candidate for bone regeneration. Front Bioeng Biotechnol 2022; 10:1054379. [PMID: 36507269 PMCID: PMC9732393 DOI: 10.3389/fbioe.2022.1054379] [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: 09/26/2022] [Accepted: 11/17/2022] [Indexed: 11/27/2022] Open
Abstract
It remains a big challenge in clinical practice to repair large-sized bone defects and many factors limit the application of autografts and allografts, The application of exogenous scaffolds is an alternate strategy for bone regeneration, among which the silk fibroin (SF) scaffold is a promising candidate. Due to the advantages of excellent biocompatibility, satisfying mechanical property, controllable biodegradability and structural adjustability, SF scaffolds exhibit great potential in bone regeneration with the help of well-designed structures, bioactive components and functional surface modification. This review will summarize the cell and tissue interaction with SF scaffolds, techniques to fabricate SF-based scaffolds and modifications of SF scaffolds to enhance osteogenesis, which will provide a deep and comprehensive insight into SF scaffolds and inspire the design and fabrication of novel SF scaffolds for superior osteogenic performance. However, there still needs more comprehensive efforts to promote better clinical translation of SF scaffolds, including more experiments in big animal models and clinical trials. Furthermore, deeper investigations are also in demand to reveal the degradation and clearing mechanisms of SF scaffolds and evaluate the influence of degradation products.
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Affiliation(s)
- Hao Wu
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,College of Stomatology, Shanghai Jiao Tong University, Shanghai, China,Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, China,Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China
| | - Kaili Lin
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,College of Stomatology, Shanghai Jiao Tong University, Shanghai, China,Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, China,Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China
| | - Cancan Zhao
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,College of Stomatology, Shanghai Jiao Tong University, Shanghai, China,Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, China,Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China,*Correspondence: Cancan Zhao, ; Xudong Wang,
| | - Xudong Wang
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China,College of Stomatology, Shanghai Jiao Tong University, Shanghai, China,Shanghai Key Laboratory of Stomatology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, China,Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China,*Correspondence: Cancan Zhao, ; Xudong Wang,
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Li Z, Ha KH, Wang Z, Kim S, Davis B, Lu R, Sirohi J, Lu N. Effects of AC frequency on the capacitance measurement of hybrid response pressure sensors. SOFT MATTER 2022; 18:8476-8485. [PMID: 36317698 DOI: 10.1039/d2sm01250b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
E-skins consisting of soft pressure sensors are enabling technology for soft robots, bio-integrated devices, and deformable touch panels. A well-known bottleneck of capacitive pressure sensors (CPS) is the drastic decay in sensitivity with increasing pressure. To overcome this challenge, we have invented a hybrid-response pressure sensor (HRPS) that exhibits both the piezoresistive and piezocapacitive effects intrinsic to a highly porous nanocomposite (PNC) with carbon nanotube (CNT) dopants. The HRPS is constructed with two conductive electrodes sandwiching a laminated PNC and a stiff dielectric layer. We have simplified the hybrid response into a parallel resistor-capacitor circuit, whose output depends on the AC (alternating current) frequency used for the capacitance measurement. Herein, through theoretical analysis, we discover a dimensionless parameter that governs the frequency responses of the HRPS. The master curve is validated through experiments on the HRPS with various doping ratios, subject to different compressive strains, under diverse AC frequencies. In addition, the relative contribution of piezoresistive and piezocapacitive mechanisms are also found to vary with the three parameters. Based on this experimentally validated theory, we establish a very practical guideline for selecting the optimal AC frequency for the capacitance measurement of HRPSs.
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Affiliation(s)
- Zhengjie Li
- Department of Aerospace Engineering and Engineering Mechanics, the University of Texas at Austin, TX, 78712, USA.
| | - Kyoung-Ho Ha
- Department of Mechanical Engineering, the University of Texas at Austin, TX, 78712, USA
| | - Zheliang Wang
- Department of Aerospace Engineering and Engineering Mechanics, the University of Texas at Austin, TX, 78712, USA.
| | - Sangjun Kim
- Department of Mechanical Engineering, the University of Texas at Austin, TX, 78712, USA
| | - Ben Davis
- Department of Mechanical Engineering, the University of Texas at Austin, TX, 78712, USA
| | - Ruojun Lu
- Department of Mechanical Engineering, the University of Texas at Austin, TX, 78712, USA
| | - Jayant Sirohi
- Department of Aerospace Engineering and Engineering Mechanics, the University of Texas at Austin, TX, 78712, USA.
| | - Nanshu Lu
- Department of Aerospace Engineering and Engineering Mechanics, the University of Texas at Austin, TX, 78712, USA.
- Department of Mechanical Engineering, the University of Texas at Austin, TX, 78712, USA
- Department of Biomedical Engineering, the University of Texas at Austin, TX, 78712, USA
- Department of Electrical and Computer Engineering, the University of Texas at Austin, TX, 78712, USA
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Wang B, Feng C, Liu Y, Mi F, Dong J. Recent advances in biofunctional guided bone regeneration materials for repairing defective alveolar and maxillofacial bone: A review. JAPANESE DENTAL SCIENCE REVIEW 2022; 58:233-248. [PMID: 36065207 PMCID: PMC9440077 DOI: 10.1016/j.jdsr.2022.07.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 06/23/2022] [Accepted: 07/28/2022] [Indexed: 11/28/2022] Open
Abstract
The anatomy of the oral and maxillofacial sites is complex, and bone defects caused by trauma, tumors, and inflammation in these zones are extremely difficult to repair. Among the most effective and reliable methods to attain osteogenesis, the guided bone regeneration (GBR) technique is extensively applied in defective oral and maxillofacial GBR. Furthermore, endowing biofunctions is crucial for GBR materials applied in repairing defective alveolar and maxillofacial bones. In this review, recent advances in designing and fabricating GBR materials applied in oral and maxillofacial sites are classified and discussed according to their biofunctions, including maintaining space for bone growth; facilitating the adhesion, migration, and proliferation of osteoblasts; facilitating the migration and differentiation of progenitor cells; promoting vascularization; providing immunoregulation to induce osteogenesis; suppressing infection; and effectively mimicking natural tissues using graded biomimetic materials. In addition, new processing strategies (e.g., 3D printing) and new design concepts (e.g., developing bone mimetic extracellular matrix niches and preparing scaffolds to suppress connective tissue to actively acquire space for bone regeneration), are particularly worthy of further study. In the future, GBR materials with richer biological functions are expected to be developed based on an in-depth understanding of the mechanism of bone-GBR-material interactions.
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Affiliation(s)
- Bing Wang
- Department of Chemistry, School of Pharmacy, North Sichuan Medical College, Nanchong, China
- Corresponding author at: Department of Chemistry, School of Pharmacy, North Sichuan Medical College, Nanchong, China.
| | - Chengmin Feng
- Department of Otorhinolaryngology & Head Neck Surgery, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Yiming Liu
- Department of Stomatology, North Sichuan Medical College, Nanchong, China
| | - Fanglin Mi
- Department of Stomatology, North Sichuan Medical College, Nanchong, China
- Department of Stomatology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
- Corresponding author at: Department of Stomatology, North Sichuan Medical College, Nanchong, China.
| | - Jun Dong
- Department of Chemistry, School of Pharmacy, North Sichuan Medical College, Nanchong, China
- Corresponding author.
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Liu Y, Zhao Y, Han M, Zhang Y, Mi F, Wang B. Preparation of functional poly-(lactic acid-co-glycolic acid)-based guided bone-regeneration membrane and its application in the reconstruction of mandibular defects in rats. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2022; 40:522-531. [PMID: 38596972 PMCID: PMC9588868 DOI: 10.7518/hxkq.2022.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 05/15/2022] [Indexed: 01/25/2023]
Abstract
OBJECTIVES This study aimed to prepare functional composite electrospinning fibrous membranes with the functions of antifibrosis and bacteriostasis, as well as to explore its repair effect on rat jaw defect. METHODS Poly-(lactic acid-co-glycolic acid) fibrous membrane loaded with cyclic-arginine-glycine-aspartic acid sequence, ornidazole, and nanohydroxyapatite (n-HA) was prepared by electrospinning as the functional layer (GBRL) for adhering onto defective bone. A barrier layer with the function of supporting and isolating different functional layers was prepared by tape-casting method. Poly(p-dioxanone-co-l-phenylalanine) fiber membrane with the function of inhibiting fibrosis was prepared by electrospinning technology as the antifibrosis layer (AFL). The morphology of the composite membrane was characterized by scanning electron microscopy. The effects of different functional layers on the proliferation of mouse osteoblast precursor cells (MC3T3-E1) and mouse fibroblasts (L929) were studied by cell-proliferation test (CCK-8 method). The inhibitory effect of composite membrane on the proliferation of Porphyromonas gingivalis was studied by bacteriostatic circle test. A rat mandibular-bone defect model was established to study the repair effect of composite fiber membrane on bone-defect tissue. This repair effect was compared with that of collagen oral-repair membrane commonly used in clinics. RESULTS The GBRL layer could support the proliferation of MC3T3-E1 cells, and the AFL layer could inhibit the proliferation of L929 cells. Composite membranes loaded with ornidazole could inhibit the proliferation of Porphyromonas gingivalis. Various composite membranes can induce the reconstruction of rat jaw defects, among which the composite membranes loaded with ornidazole and n-HA had the best repair effect, which was better than that of collagen oral-repair membrane. CONCLUSIONS The electrospun membrane loaded with ornidazole and n-HA as the composite fiber membrane of GBRL layer had excellent antibacterial and bone-tissue-regeneration activity. The effect was better than that of the commonly used collagen oral-repair membrane. Therefore, this material has great potential to induce bone regeneration for defects caused by periodontal diseases.
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Affiliation(s)
- Yiming Liu
- Dept. of Stomatology, North Sichuan Medical College, Nanchong 637000, China
| | - Yun Zhao
- Dept. of Stomatology, North Sichuan Medical College, Nanchong 637000, China
- Dept. of Stomatology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Mei Han
- Dept. of Stomatology, North Sichuan Medical College, Nanchong 637000, China
- Dept. of Stomatology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Yuqiu Zhang
- Dept. of Stomatology, North Sichuan Medical College, Nanchong 637000, China
| | - Fanglin Mi
- Dept. of Stomatology, North Sichuan Medical College, Nanchong 637000, China
- Dept. of Stomatology, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
| | - Bing Wang
- Dept. of Chemistry, School of Preclinical Medicine and Forensic Medicine, North Sichuan Medical College, Nanchong 637000, China
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Guo Y, Jiang X, Pan P, Liu X, Huang L, Li M, Liu Y. Preparation of SF/SF-nHA double-layer scaffolds for periodental tissue regeneration. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2100375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Ying Guo
- National Engineering Laboratory for Mordern Silk, College of Textile and Clothing Engineering, Soochow University, Jiangsu, China
| | - Xuefeng Jiang
- National Engineering Laboratory for Mordern Silk, College of Textile and Clothing Engineering, Soochow University, Jiangsu, China
| | - Peng Pan
- National Engineering Laboratory for Mordern Silk, College of Textile and Clothing Engineering, Soochow University, Jiangsu, China
| | - Xueping Liu
- National Engineering Laboratory for Mordern Silk, College of Textile and Clothing Engineering, Soochow University, Jiangsu, China
| | - Linling Huang
- National Engineering Laboratory for Mordern Silk, College of Textile and Clothing Engineering, Soochow University, Jiangsu, China
| | - Mingzhong Li
- National Engineering Laboratory for Mordern Silk, College of Textile and Clothing Engineering, Soochow University, Jiangsu, China
| | - Yu Liu
- National Engineering Laboratory for Mordern Silk, College of Textile and Clothing Engineering, Soochow University, Jiangsu, China
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Hong IS. Enhancing Stem Cell-Based Therapeutic Potential by Combining Various Bioengineering Technologies. Front Cell Dev Biol 2022; 10:901661. [PMID: 35865629 PMCID: PMC9294278 DOI: 10.3389/fcell.2022.901661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/17/2022] [Indexed: 12/05/2022] Open
Abstract
Stem cell-based therapeutics have gained tremendous attention in recent years due to their wide range of applications in various degenerative diseases, injuries, and other health-related conditions. Therapeutically effective bone marrow stem cells, cord blood- or adipose tissue-derived mesenchymal stem cells (MSCs), embryonic stem cells (ESCs), and more recently, induced pluripotent stem cells (iPSCs) have been widely reported in many preclinical and clinical studies with some promising results. However, these stem cell-only transplantation strategies are hindered by the harsh microenvironment, limited cell viability, and poor retention of transplanted cells at the sites of injury. In fact, a number of studies have reported that less than 5% of the transplanted cells are retained at the site of injury on the first day after transplantation, suggesting extremely low (<1%) viability of transplanted cells. In this context, 3D porous or fibrous national polymers (collagen, fibrin, hyaluronic acid, and chitosan)-based scaffold with appropriate mechanical features and biocompatibility can be used to overcome various limitations of stem cell-only transplantation by supporting their adhesion, survival, proliferation, and differentiation as well as providing elegant 3-dimensional (3D) tissue microenvironment. Therefore, stem cell-based tissue engineering using natural or synthetic biomimetics provides novel clinical and therapeutic opportunities for a number of degenerative diseases or tissue injury. Here, we summarized recent studies involving various types of stem cell-based tissue-engineering strategies for different degenerative diseases. We also reviewed recent studies for preclinical and clinical use of stem cell-based scaffolds and various optimization strategies.
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Affiliation(s)
- In-Sun Hong
- Department of Health Sciences and Technology, GAIHST, Gachon University, Seongnam, South Korea
- Department of Molecular Medicine, School of Medicine, Gachon University, Seongnam, South Korea
- *Correspondence: In-Sun Hong,
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Enhanced Silk Fibroin/Sericin Composite Film: Preparation, Mechanical Properties and Mineralization Activity. Polymers (Basel) 2022; 14:polym14122466. [PMID: 35746041 PMCID: PMC9227074 DOI: 10.3390/polym14122466] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 06/11/2022] [Accepted: 06/15/2022] [Indexed: 02/04/2023] Open
Abstract
The periosteum plays an important role in bone formation and reconstruction. One of the reasons for the high failure rate of bone transplantation is the absence of the periosteum. Silk fibroin (SF) and silk sericin (SS) have excellent biocompatibility and physicochemical properties, which have amazing application prospects in bone tissue engineering, but lacked mechanical properties. We developed a series of SF/SS composite films with improved mechanical properties using boiling water degumming, which caused little damage to SF molecular chains to retain larger molecules. The Fourier transform infrared spectroscopy and X-ray diffraction results showed that there were more β-sheets in SF/SS films than in Na2CO3 degummed SF film, resulting in significantly improved breaking strength and toughness of the composite films, which were increased by approximately 1.3 and 1.7 times, respectively. The mineralization results showed that the hydroxyapatite (HAp) deposition rate on SF/SS composite films was faster than that on SF film. The SF/SS composite films effectively regulated the nucleation, growth and aggregation of HAp-like minerals, and the presence of SS accelerated the early mineralization of SF-based materials. These composite films may be promising biomaterials in the repair and regeneration of periosteum.
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Ghanbari E, Mehdipour A, Khazaei M, Khoshfeterat AB, Niknafs B. A review of recent advances on osteogenic applications of Silk fibroin as a potential bio-scaffold in bone tissue engineering. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2032707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Elham Ghanbari
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahmad Mehdipour
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mozafar Khazaei
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Tissue Engineering, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | | | - Behrooz Niknafs
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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In Vivo Investigation of Polymer-Ceramic PCL/HA and PCL/β-TCP 3D Composite Scaffolds and Electrical Stimulation for Bone Regeneration. Polymers (Basel) 2021; 14:polym14010065. [PMID: 35012090 PMCID: PMC8747620 DOI: 10.3390/polym14010065] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/15/2021] [Accepted: 11/22/2021] [Indexed: 02/06/2023] Open
Abstract
Critical bone defects are a major clinical challenge in reconstructive bone surgery. Polycaprolactone (PCL) mixed with bioceramics, such as hydroxyapatite (HA) and tricalcium phosphate (TCP), create composite scaffolds with improved biological recognition and bioactivity. Electrical stimulation (ES) aims to compensate the compromised endogenous electrical signals and to stimulate cell proliferation and differentiation. We investigated the effects of composite scaffolds (PCL with HA; and PCL with β-TCP) and the use of ES on critical bone defects in Wistar rats using eight experimental groups: untreated, ES, PCL, PCL/ES, HA, HA/ES, TCP, and TCP/ES. The investigation was based on histomorphometry, immunohistochemistry, and gene expression analysis. The vascular area was greater in the HA/ES group on days 30 and 60. Tissue mineralization was greater in the HA, HA/ES, and TCP groups at day 30, and TCP/ES at day 60. Bmp-2 gene expression was higher in the HA, TCP, and TCP/ES groups at day 30, and in the TCP/ES and PCL/ES groups at day 60. Runx-2, Osterix, and Osteopontin gene expression were also higher in the TCP/ES group at day 60. These results suggest that scaffolds printed with PCL and TCP, when paired with electrical therapy application, improve bone regeneration.
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Chou KC, Chen CT, Cherng JH, Li MC, Wen CC, Hu SI, Wang YW. Cutaneous Regeneration Mechanism of β-Sheet Silk Fibroin in a Rat Burn Wound Healing Model. Polymers (Basel) 2021; 13:3537. [PMID: 34685296 PMCID: PMC8537970 DOI: 10.3390/polym13203537] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 10/08/2021] [Accepted: 10/11/2021] [Indexed: 12/14/2022] Open
Abstract
Therapeutic dressings to enhance burn wound repair and regeneration are required. Silk fibroin (SF), a natural protein, induces cell migration and serves as a biomaterial in various dressings. SF dressings usually contain α-helices and β-sheets. The former has been confirmed to improve cell proliferation and migration, but the wound healing effect and related mechanisms of β-sheet SF remain unclear. We investigated the effects of β-sheet SF in vivo and in vitro. Alcohol-treated α-helix SF transformed into the β-sheet form, which promoted granulation formation and re-epithelialization when applied as lyophilized SF dressing (LSFD) in a rat burn model. Our in vitro results showed that β-sheet SF increased human dermal fibroblast (HDF) migration and promoted the expression of extracellular matrix (ECM) proteins (fibronectin and type III collagen), matrix metalloproteinase-12, and the cell adhesion molecule, integrin β1, in rat granulation tissue and HDFs. This confirms the role of crosstalk between integrin β1 and ECM proteins in cell migration. In summary, we demonstrated that β-sheet SF facilitates tissue regeneration by modulating cell adhesion molecules in dermal fibroblasts. LSFD could find clinical application for burn wound regeneration. Moreover, β-sheet SF could be combined with anti-inflammatory materials, growth factors, or antibiotics to develop novel dressings.
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Affiliation(s)
- Kai-Chieh Chou
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan; (K.-C.C.); (J.-H.C.)
| | - Chun-Ting Chen
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Tri-Service General Hospital Penghu Branch, National Defense Medical Center, Taipei 114, Taiwan;
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan
| | - Juin-Hong Cherng
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan; (K.-C.C.); (J.-H.C.)
- Laboratory of Adult Stem Cell and Tissue Regeneration, National Defense Medical Center, Taipei 114, Taiwan
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan
| | - Ming-Chia Li
- Department of Biological Science and Technology, Center For Intelligent Drug Systems and Smart Bio-Devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan;
| | - Chia-Cheng Wen
- Division of Colon and Rectal Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan; (C.-C.W.); (S.-I.H.)
| | - Sheng-I Hu
- Division of Colon and Rectal Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan; (C.-C.W.); (S.-I.H.)
| | - Yi-Wen Wang
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan; (K.-C.C.); (J.-H.C.)
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan
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14
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Ding Z, Cheng W, Mia MS, Lu Q. Silk Biomaterials for Bone Tissue Engineering. Macromol Biosci 2021; 21:e2100153. [PMID: 34117836 DOI: 10.1002/mabi.202100153] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/17/2021] [Indexed: 12/14/2022]
Abstract
Silk is a natural fibrous polymer with application potential in regenerative medicine. Increasing interest remains for silk materials in bone tissue engineering due to their characteristics in biocompatibility, biodegradability and mechanical properties. Plenty of the in vitro and in vivo studies confirmed the advantages of silk in accelerating bone regeneration. Silk is processed into scaffolds, hydrogels, and films to facilitate different bone regenerative applications. Bioactive factors such as growth factors and drugs, and stem cells are introduced to silk-based matrices to create friendly and osteogenic microenvironments, directing cell behaviors and bone regeneration. The recent progress in silk-based bone biomaterials is discussed and focused on different fabrication and functionalization methods related to osteogenesis. The challenges and potential targets of silk bone materials are highlighted to evaluate the future development of silk-based bone materials.
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Affiliation(s)
- Zhaozhao Ding
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
| | - Weinan Cheng
- Department of Orthopedics, The First Affiliated Hospital of Xiamen University, Xiamen, 361000, P. R. China
| | - Md Shipan Mia
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
| | - Qiang Lu
- National Engineering Laboratory for Modern Silk and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, 215123, P. R. China
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15
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Cetin Y, Sahin MG, Kok FN. Application potential of three-dimensional silk fibroin scaffold using mesenchymal stem cells for cardiac regeneration. J Biomater Appl 2021; 36:740-753. [PMID: 34039082 DOI: 10.1177/08853282211018529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Cardiac tissue engineering focusing on biomaterial scaffolds incorporating cells from different sources has been explored to regenerate or repair damaged area as a lifesaving approach.The aim of this study was to evaluate the cardiomyocyte differentiation potential of human adipose mesenchymal stem cells (hAD-MSCs) as an alternative cell source on silk fibroin (SF) scaffolds for cardiac tissue engineering. The change in surface morphology of SF scaffolds depending on SF concentration (1-6%, w/v) and increase in their porosity upon application of unidirectional freezing were visualized by scanning electron microscopy (SEM). Swelling ratio was found to increase 2.4 fold when SF amount was decreased from 4% to 2%. To avoid excessive swelling, 4% SF scaffold with swelling ratio of 10% (w/w) was chosen for further studies.Biodegradation rate of SF scaffolds depended on enzymatic activity was found to be 75% weight loss of SF scaffolds at the day 14. The phenotype of hAD-MSCs and their multi-linage potential into chondrocytes, osteocytes, and adipocytes were shown by flow cytometry and immunohistochemical staining, respectively.The viability of hAD-MSCs on 3D SF scaffolds was determined as 90%, 118%, and 138% after 1, 7, and 14 days, respectively. The use of 3D SF scaffolds was associated with increased production of cardiomyogenic biomarkers: α-actinin, troponin I, connexin 43, and myosin heavy chain. The fabricated 3D SF scaffolds were proved to sustain hAD-MSCs proliferation and cardiomyogenic differentiation therefore, hAD-MSCs on 3D SF scaffolds may useful tool to regenerate or repair damaged area using cardiac tissue engineering techniques.
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Affiliation(s)
- Yuksel Cetin
- TUBITAK, Marmara Research Center, Genetic Engineering and Biotechnology Institute, Kocaeli, Turkey
| | - Merve G Sahin
- Istanbul Technical University, Molecular Biology-Genetics and Biotechnology Program - Ayazaga Campus, Istanbul, Turkey
| | - Fatma N Kok
- Istanbul Technical University, Molecular Biology-Genetics and Biotechnology Program - Ayazaga Campus, Istanbul, Turkey
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16
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Renkler NZ, Ergene E, Gokyer S, Tuzlakoglu Ozturk M, Yilgor Huri P, Tuzlakoglu K. Facile modification of polycaprolactone nanofibers with egg white protein. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2021; 32:34. [PMID: 33763760 PMCID: PMC7990845 DOI: 10.1007/s10856-021-06505-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 03/07/2021] [Indexed: 06/12/2023]
Abstract
Synthetic polymers remain to be a major choice for scaffold fabrication due to their structural stability and mechanical strength. However, the lack of functional moieties limits their application for cell-based therapies which necessitate modification and functionalization. Blending synthetic polymers with natural components is a simple and effective way to achieve the desired biological properties for a scaffold. Herein, nanofibrous mats made of polycaprolactone (PCL) and egg white protein (EWP) blend were developed and further evaluated for use as a scaffold for tissue engineering applications. Homogeneous distribution of EWP was achieved throughout the nanofibrous mats, as shown by immunohistochemistry. ATR-FTIR analysis and contact angle measurements have further confirmed the presence of EWP on the surface of the samples. The swelling test showed that PCL/EWP nanofibers have higher water uptake than PCL nanofibrous mats. Also, EWP addition on the nanofibrous mats resulted in an increase in the tensile strength and Young's modulus of the mats, indicating that the presence of protein can greatly enhance the mechanical properties of the mats. A significantly higher, more uniform, and dispersed cell spreading was observed on days 7 and 14 than that on neat PCL mats, demonstrating the importance of providing the required cues for cell homing by the availability of EWP. Hence, EWP is shown to be a simple and low-cost source for the functionalization of PCL nanofibrous mats. EWP is, therefore, a facile candidate to enhance cellular interactions of synthetic polymers for a wide range of tissue engineering applications.
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Affiliation(s)
| | - Emre Ergene
- Department of Biomedical Engineering, Ankara University, Ankara, Turkey
| | - Seyda Gokyer
- Department of Biomedical Engineering, Ankara University, Ankara, Turkey
| | | | - Pinar Yilgor Huri
- Department of Biomedical Engineering, Ankara University, Ankara, Turkey
| | - Kadriye Tuzlakoglu
- Department of Polymer Engineering, Yalova University, 77200, Yalova, Turkey
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17
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Neubauer VJ, Döbl A, Scheibel T. Silk-Based Materials for Hard Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2021; 14:674. [PMID: 33535662 PMCID: PMC7867174 DOI: 10.3390/ma14030674] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/25/2021] [Accepted: 01/26/2021] [Indexed: 02/07/2023]
Abstract
Hard tissues, e.g., bone, are mechanically stiff and, most typically, mineralized. To design scaffolds for hard tissue regeneration, mechanical, physico-chemical and biological cues must align with those found in the natural tissue. Combining these aspects poses challenges for material and construct design. Silk-based materials are promising for bone tissue regeneration as they fulfill several of such necessary requirements, and they are non-toxic and biodegradable. They can be processed into a variety of morphologies such as hydrogels, particles and fibers and can be mineralized. Therefore, silk-based materials are versatile candidates for biomedical applications in the field of hard tissue engineering. This review summarizes silk-based approaches for mineralized tissue replacements, and how to find the balance between sufficient material stiffness upon mineralization and cell survival upon attachment as well as nutrient supply.
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Affiliation(s)
- Vanessa J. Neubauer
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften, Universität Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany; (V.J.N.); (A.D.)
| | - Annika Döbl
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften, Universität Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany; (V.J.N.); (A.D.)
| | - Thomas Scheibel
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften, Universität Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany; (V.J.N.); (A.D.)
- Bayreuther Zentrum für Kolloide und Grenzflächen (BZKG), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
- Bayerisches Polymerinstitut (BPI), Universitätsstraße 30, 95440 Bayreuth, Germany
- Bayreuther Zentrum für Molekulare Biowissenschaften (BZMB), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
- Bayreuther Materialzentrum (BayMAT), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
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18
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Battafarano G, Rossi M, De Martino V, Marampon F, Borro L, Secinaro A, Del Fattore A. Strategies for Bone Regeneration: From Graft to Tissue Engineering. Int J Mol Sci 2021; 22:ijms22031128. [PMID: 33498786 PMCID: PMC7865467 DOI: 10.3390/ijms22031128] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/08/2021] [Accepted: 01/20/2021] [Indexed: 12/12/2022] Open
Abstract
Bone is a regenerative organ characterized by self-renewal ability. Indeed, it is a very dynamic tissue subjected to continuous remodeling in order to preserve its structure and function. However, in clinical practice, impaired bone healing can be observed in patients and medical intervention is needed to regenerate the tissue via the use of natural bone grafts or synthetic bone grafts. The main elements required for tissue engineering include cells, growth factors and a scaffold material to support them. Three different materials (metals, ceramics, and polymers) can be used to create a scaffold suitable for bone regeneration. Several cell types have been investigated in combination with biomaterials. In this review, we describe the options available for bone regeneration, focusing on tissue engineering strategies based on the use of different biomaterials combined with cells and growth factors.
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Affiliation(s)
- Giulia Battafarano
- Bone Physiopathology Research Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (G.B.); (M.R.)
| | - Michela Rossi
- Bone Physiopathology Research Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (G.B.); (M.R.)
| | - Viviana De Martino
- Department of Clinical, Internal, Anesthesiology and Cardiovascular Sciences, “Sapienza” University of Rome, 00161 Rome, Italy;
| | - Francesco Marampon
- Department of Radiotherapy, “Sapienza” University of Rome, 00161 Rome, Italy;
| | - Luca Borro
- Advanced Cardiovascular Imaging Unit, Department of Imaging, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (L.B.); (A.S.)
| | - Aurelio Secinaro
- Advanced Cardiovascular Imaging Unit, Department of Imaging, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (L.B.); (A.S.)
| | - Andrea Del Fattore
- Bone Physiopathology Research Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (G.B.); (M.R.)
- Correspondence: ; Tel.: +39-066-859-3740
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19
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Abstract
This chapter provides an overview of the growth factors active in bone regeneration and healing. Both normal and impaired bone healing are discussed, with a focus on the spatiotemporal activity of the various growth factors known to be involved in the healing response. The review highlights the activities of most important growth factors impacting bone regeneration, with a particular emphasis on those being pursued for clinical translation or which have already been marketed as components of bone regenerative materials. Current approaches the use of bone grafts in clinical settings of bone repair (including bone grafts) are summarized, and carrier systems (scaffolds) for bone tissue engineering via localized growth factor delivery are reviewed. The chapter concludes with a consideration of how bone repair might be improved in the future.
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20
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Zhang Y, Wu D, Zhao X, Pakvasa M, Tucker AB, Luo H, Qin KH, Hu DA, Wang EJ, Li AJ, Zhang M, Mao Y, Sabharwal M, He F, Niu C, Wang H, Huang L, Shi D, Liu Q, Ni N, Fu K, Chen C, Wagstaff W, Reid RR, Athiviraham A, Ho S, Lee MJ, Hynes K, Strelzow J, He TC, El Dafrawy M. Stem Cell-Friendly Scaffold Biomaterials: Applications for Bone Tissue Engineering and Regenerative Medicine. Front Bioeng Biotechnol 2020; 8:598607. [PMID: 33381499 PMCID: PMC7767872 DOI: 10.3389/fbioe.2020.598607] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 11/27/2020] [Indexed: 02/06/2023] Open
Abstract
Bone is a dynamic organ with high regenerative potential and provides essential biological functions in the body, such as providing body mobility and protection of internal organs, regulating hematopoietic cell homeostasis, and serving as important mineral reservoir. Bone defects, which can be caused by trauma, cancer and bone disorders, pose formidable public health burdens. Even though autologous bone grafts, allografts, or xenografts have been used clinically, repairing large bone defects remains as a significant clinical challenge. Bone tissue engineering (BTE) emerged as a promising solution to overcome the limitations of autografts and allografts. Ideal bone tissue engineering is to induce bone regeneration through the synergistic integration of biomaterial scaffolds, bone progenitor cells, and bone-forming factors. Successful stem cell-based BTE requires a combination of abundant mesenchymal progenitors with osteogenic potential, suitable biofactors to drive osteogenic differentiation, and cell-friendly scaffold biomaterials. Thus, the crux of BTE lies within the use of cell-friendly biomaterials as scaffolds to overcome extensive bone defects. In this review, we focus on the biocompatibility and cell-friendly features of commonly used scaffold materials, including inorganic compound-based ceramics, natural polymers, synthetic polymers, decellularized extracellular matrix, and in many cases, composite scaffolds using the above existing biomaterials. It is conceivable that combinations of bioactive materials, progenitor cells, growth factors, functionalization techniques, and biomimetic scaffold designs, along with 3D bioprinting technology, will unleash a new era of complex BTE scaffolds tailored to patient-specific applications.
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Affiliation(s)
- Yongtao Zhang
- Department of Orthopaedic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Di Wu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Ministry of Education Key Laboratory of Diagnostic Medicine, The School of Laboratory Medicine and the Affiliated Hospitals, Chongqing Medical University, Chongqing, China
| | - Xia Zhao
- Department of Orthopaedic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Mikhail Pakvasa
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Andrew Blake Tucker
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Huaxiu Luo
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Department of Burn and Plastic Surgery, West China Hospital of Sichuan University, Chengdu, China
| | - Kevin H. Qin
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Daniel A. Hu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Eric J. Wang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Alexander J. Li
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Meng Zhang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yukun Mao
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Departments of Orthopaedic Surgery and Neurosurgery, The Affiliated Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Maya Sabharwal
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Fang He
- Department of Orthopaedic Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Changchun Niu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Department of Laboratory Diagnostic Medicine, The Affiliated Hospital of the University of Chinese Academy of Sciences, Chongqing General Hospital, Chongqing, China
| | - Hao Wang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Ministry of Education Key Laboratory of Diagnostic Medicine, The School of Laboratory Medicine and the Affiliated Hospitals, Chongqing Medical University, Chongqing, China
| | - Linjuan Huang
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Ministry of Education Key Laboratory of Diagnostic Medicine, The School of Laboratory Medicine and the Affiliated Hospitals, Chongqing Medical University, Chongqing, China
| | - Deyao Shi
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Department of Orthopaedic Surgery, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qing Liu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Department of Spine Surgery, Second Xiangya Hospital, Central South University, Changsha, China
| | - Na Ni
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Ministry of Education Key Laboratory of Diagnostic Medicine, The School of Laboratory Medicine and the Affiliated Hospitals, Chongqing Medical University, Chongqing, China
| | - Kai Fu
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Departments of Orthopaedic Surgery and Neurosurgery, The Affiliated Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Connie Chen
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - William Wagstaff
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Russell R. Reid
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
- Department of Surgery Section of Plastic and Reconstructive Surgery, The University of Chicago Medical Center, Chicago, IL, United States
| | - Aravind Athiviraham
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Sherwin Ho
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Michael J. Lee
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Kelly Hynes
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Jason Strelzow
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Tong-Chuan He
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
| | - Mostafa El Dafrawy
- Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical Center, Chicago, IL, United States
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