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Wang C, Min S, Tian Y. Injectable and Cell-Laden Hydrogel in the Contained Bone Defect Animal Model: A Systematic Review. Tissue Eng Regen Med 2023; 20:829-837. [PMID: 37563482 PMCID: PMC10519912 DOI: 10.1007/s13770-023-00569-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/22/2023] [Accepted: 07/03/2023] [Indexed: 08/12/2023] Open
Abstract
BACKGROUND Due to its high water content and biomimetic properties simulating extracellular matrix (ECM), hydrogels have been used as preferred cell culture and delivery systems. Similarly, cell-loaded hydrogels can be easily injected into target areas in a minimally invasive manner, minimizing surgical trauma, adapting to irregular shaped defects, and benefiting patients. In this study, we systematically reviewed multiple studies on hydrogel-based bone defect research and briefly summarized the progress of injectable and cell-loaded hydrogels in bone defect repair. METHODS A systematic search was conducted in the PubMed and Web of Science databases using selected search terms. RESULTS Initially, 185 articles were retrieved from the databases. After full-text screening based on inclusion and exclusion criteria, 26 articles were included in this systematic review. Data collected from each study included culture model, seed cell type and origin, cell concentration, scaffold material, scaffold shape, experimental animal and site, bioactive agents, and binding method. This injectable and cell-loaded hydrogel shows certain feasibility in bone tissue engineering applications. CONCLUSION Injectable and cell-loaded hydrogels have been widely applied in bone tissue engineering research. The future direction of bone tissue engineering for bone defect treatment involves the use of new hydrogel materials and biochemical stimulation.
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Affiliation(s)
- Chaoxin Wang
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, 100191, China
| | - Shuyuan Min
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, China
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, 100191, China
| | - Yun Tian
- Department of Orthopedics, Peking University Third Hospital, Beijing, 100191, China.
- Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, 100191, China.
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Machado A, Pereira I, Costa F, Brandão A, Pereira JE, Maurício AC, Santos JD, Amaro I, Falacho R, Coelho R, Cruz N, Gama M. Randomized clinical study of injectable dextrin-based hydrogel as a carrier of a synthetic bone substitute. Clin Oral Investig 2023; 27:979-994. [PMID: 36707442 PMCID: PMC9985577 DOI: 10.1007/s00784-023-04868-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 01/14/2023] [Indexed: 01/29/2023]
Abstract
OBJECTIVES This study aimed to improve the performance and mode of administration of a glass-reinforced hydroxyapatite synthetic bone substitute, Bonelike by Biosckin® (BL®), by association with a dextrin-based hydrogel, DEXGEL, to achieve an injectable and moldable device named DEXGEL Bone. METHODS Twelve participants requiring pre-molar tooth extraction and implant placement were enrolled in this study. BL® granules (250-500 µm) were administered to 6 randomized participants whereas the other 6 received DEXGEL Bone. After 6 months, a bone biopsy of the grafted area was collected for histological and histomorphometric evaluation, prior to implant placement. The performance of DEXGEL Bone and BL® treatments on alveolar preservation were further analyzed by computed tomography and Hounsfield density analysis. Primary implant stability was analyzed by implant stability coefficient technique. RESULTS The healing of defects was free of any local or systemic complications. Both treatments showed good osseointegration with no signs of adverse reaction. DEXGEL Bone exhibited increased granule resorption (p = 0.029) accompanied by a tendency for more new bone ingrowth (although not statistically significant) compared to the BL® group. The addition of DEXGEL to BL® granules did not compromise bone volume or density, being even beneficial for implant primary stability (p = 0.017). CONCLUSIONS The hydrogel-reinforced biomaterial exhibited an easier handling, a better defect filling, and benefits in implant stability. CLINICAL RELEVANCE This study validates DEXGEL Bone safety and performance as an injectable carrier of granular bone substitutes for alveolar ridge preservation. TRIAL REGISTRATION European Databank on Medical Devices (EUDAMED) No. CIV-PT-18-01-02,705; Registo Nacional de Estudos Clínicos, RNEC, No. 30122.
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Affiliation(s)
- Alexandra Machado
- CEB, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.,LABBELS, Associate Laboratory, Braga, Guimarães, Portugal
| | - Isabel Pereira
- CEB, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.,LABBELS, Associate Laboratory, Braga, Guimarães, Portugal
| | - Filomena Costa
- CEB, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.,LABBELS, Associate Laboratory, Braga, Guimarães, Portugal
| | - Ana Brandão
- Biosckin, Molecular and Cell Therapies S.A., TecMaia, Rua Engenheiro Frederico Ulrich 2650, 4470-605, Maia, Portugal
| | - José Eduardo Pereira
- CECAV, Animal and Veterinary Research Centre, University of Trás-os-Montes and Alto Douro, 5001-801, Vila Real, Portugal.,Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5001-801, Vila Real, Portugal
| | - Ana Colette Maurício
- Departamento de Clínicas Veterinárias, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto (UP), Rua de Jorge Viterbo Ferreira, N° 228, 4050-313, Porto, Portugal.,Centro de Estudos de Ciência Animal (CECA), Instituto de Ciências, Tecnologias e Agroambiente da Universidade do Porto (ICETA), Rua D. Manuel II, Apartado 55142, 4051-401, Porto, Portugal
| | - José Domingos Santos
- REQUIMTE/LAQV, Departamento de Engenharia Metalúrgica e Materiais, Faculdade de Engenharia, Universidade do Porto, Rua Dr. Roberto Frias, 4200-495, Porto, Portugal
| | - Inês Amaro
- Institute of Integrated Clinical Practice, Faculty of Medicine, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Rui Falacho
- Institute of Oral Implantology and Prosthodontics, Faculty of Medicine, University of Coimbra, 3004-504, Coimbra, Portugal
| | - Rui Coelho
- RESDEVMED, Unipessoal Lda., Travessa do Navega, 436 C, 3885-183, Ovar, Portugal
| | - Nuno Cruz
- Faculty of Dentistry, Universitat Internacional de Catalunya, 08017, Barcelona, Spain
| | - Miguel Gama
- CEB, Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal. .,LABBELS, Associate Laboratory, Braga, Guimarães, Portugal.
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You XL, Huang CY, Liu RM. The observation of the curative effect of silver-containing dressings combined with hydrogel on healing of immunosuppression-induced skin ulcerations. Technol Health Care 2023; 31:1709-1714. [PMID: 37092190 DOI: 10.3233/thc-220540] [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] [Indexed: 04/25/2023]
Abstract
BACKGROUND Local inflammatory reaction is the basis of wound healing. Inappropriate inflammatory reaction will delay wound healing. OBJECTIVE This study aimed to investigate the effect of silver-containing dressings combined with hydrogel on healing of immunosuppression-induced skin ulcerations (IISU). METHODS A retrospective analysis was conducted on 48 cases of patients with IISU admitted to The First People's Hospital of Jiande from March 2018 to March 2019. According to the different treatment methods, the patients were divided into the observation group and the control group, with 24 cases in each group. Patients in the observation group were treated with silver-containing dressings combined with hydrogel, while patients in the control group were treated with silver-containing dressings alone. Initially, patients in the observation group and control group were treated with the same method of debridement and cleaning. Afterwards, for patients in the observation group, the wounded surface was coated with a layer of hydrogel. Both groups had the wound covered with a silver-containing dressing as the inner dressing, and gauze was used as the outer dressing to wrap and fix the wound. The dressing change frequency was the same for both groups. The effective rate, basic healing rate, and complete healing rate of the two groups were compared after one week and two weeks of treatment. RESULTS The effective rate of dressing application and wound healing rate in the observation group were significantly better than those in the control group, and the differences were statistically significant (P< 0.05). CONCLUSION A silver-containing dressing combined with hydrogel as the inner dressing can provide a better environment for wound healing, significantly shorten the course of treatment of patients with IISU, promote the early recovery of patients, and improve the quality of life of patients. Therefore, it can be applied in clinical practice.
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Cao D, Ding J. Recent advances in regenerative biomaterials. Regen Biomater 2022; 9:rbac098. [PMID: 36518879 PMCID: PMC9745784 DOI: 10.1093/rb/rbac098] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 11/23/2022] [Accepted: 12/01/2022] [Indexed: 07/22/2023] Open
Abstract
Nowadays, biomaterials have evolved from the inert supports or functional substitutes to the bioactive materials able to trigger or promote the regenerative potential of tissues. The interdisciplinary progress has broadened the definition of 'biomaterials', and a typical new insight is the concept of tissue induction biomaterials. The term 'regenerative biomaterials' and thus the contents of this article are relevant to yet beyond tissue induction biomaterials. This review summarizes the recent progress of medical materials including metals, ceramics, hydrogels, other polymers and bio-derived materials. As the application aspects are concerned, this article introduces regenerative biomaterials for bone and cartilage regeneration, cardiovascular repair, 3D bioprinting, wound healing and medical cosmetology. Cell-biomaterial interactions are highlighted. Since the global pandemic of coronavirus disease 2019, the review particularly mentions biomaterials for public health emergency. In the last section, perspectives are suggested: (i) creation of new materials is the source of innovation; (ii) modification of existing materials is an effective strategy for performance improvement; (iii) biomaterial degradation and tissue regeneration are required to be harmonious with each other; (iv) host responses can significantly influence the clinical outcomes; (v) the long-term outcomes should be paid more attention to; (vi) the noninvasive approaches for monitoring in vivo dynamic evolution are required to be developed; (vii) public health emergencies call for more research and development of biomaterials; and (viii) clinical translation needs to be pushed forward in a full-chain way. In the future, more new insights are expected to be shed into the brilliant field-regenerative biomaterials.
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Affiliation(s)
- Dinglingge Cao
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
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Hydrogels and biohydrogels: investigation of origin of production, production methods, and application. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04580-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Machado A, Pereira I, Silva V, Pires I, Prada J, Poeta P, Costa L, Pereira JE, Gama M. Injectable hydrogel as a carrier of vancomycin and a cathelicidin-derived peptide for osteomyelitis treatment. J Biomed Mater Res A 2022; 110:1786-1800. [PMID: 36082973 DOI: 10.1002/jbm.a.37432] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 07/20/2022] [Accepted: 07/22/2022] [Indexed: 08/26/2023]
Abstract
A local drug delivery system that attempts to find a suitable balance between antimicrobial and regenerative actions was developed for osteomyelitis treatment (OM). This system combines the angiogenic and immunomodulatory peptide LLKKK18 (LL18) and vancomycin hydrochloride (VH), loaded into an injectable oxidized dextrin (ODEX)-based hydrogel (HG). In vitro cytotoxicity was analyzed in MC3T3-E1 pre-osteoblasts and erythrocytes. The kinetics of LL18 release was studied. Antimicrobial activity was assessed in vitro against a clinical Methicillin-Resistant Staphylococcus aureus (MRSA) strain. A rat model of acute OM was developed by direct inoculation into a tibia defect, concomitantly with the implantation of the drug-loaded HG. The local bioburden was quantified and damage in surrounding tissues was examined histologically. In vitro, ODEX-based HG displayed a safe hemolytic profile. Half of LL18 (53%) is released during the swelling phase at physiological pH, then being gradually released until complete HG degradation. LL18-loaded HG at 300 μM was the most effective peptide formulation in decreasing in vivo infection among concentrations ranging from 86 to 429 μM. The histopathological scores observed in vivo varied with the LL18 concentration in a dose-dependent manner. VH at 28 mM completely eradicated bacteria, although with substantial tissue injury. We have found that sub-millimolar doses of VH combined with LL18 at 300 μM may suffice to eradicate the infection, with reduced tissue damage. We propose an easy-to-handle, shape-fitting HG formulation with the potential to treat MRSA-infected bone with low VH doses associated with LL18.
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Affiliation(s)
- Alexandra Machado
- Centre of Biological Engineering (CEB), University of Minho, Braga, Portugal
- LABBELS, Associate Laboratory, Braga Guimarães, Portugal
| | - Isabel Pereira
- Centre of Biological Engineering (CEB), University of Minho, Braga, Portugal
- LABBELS, Associate Laboratory, Braga Guimarães, Portugal
| | - Vanessa Silva
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, University NOVA of Lisbon, Caparica, Portugal
| | - Isabel Pires
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Centre of Animal and Veterinary Science (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Vila Real, Portugal
| | - Justina Prada
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Centre of Animal and Veterinary Science (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Vila Real, Portugal
| | - Patrícia Poeta
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, University NOVA of Lisbon, Caparica, Portugal
- Centre of Animal and Veterinary Science (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Vila Real, Portugal
| | - Luís Costa
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Centre of Animal and Veterinary Science (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Vila Real, Portugal
| | - José Eduardo Pereira
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Centre of Animal and Veterinary Science (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
- Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Vila Real, Portugal
| | - Miguel Gama
- Centre of Biological Engineering (CEB), University of Minho, Braga, Portugal
- LABBELS, Associate Laboratory, Braga Guimarães, Portugal
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Hayashi K, Yanagisawa T, Kishida R, Ishikawa K. Effects of Scaffold Shape on Bone Regeneration: Tiny Shape Differences Affect the Entire System. ACS NANO 2022; 16:11755-11768. [PMID: 35833725 PMCID: PMC9413413 DOI: 10.1021/acsnano.2c03776] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Although studies on scaffolds for tissue generation have mainly focused on the chemical composition and pore structure, the effects of scaffold shape have been overlooked. Scaffold shape determines the scaffold surface area (SA) at the single-scaffold level (i.e., microscopic effects), although it also affects the amount of interscaffold space in the tissue defect at the whole-system level (i.e., macroscopic effects). To clarify these microscopic and macroscopic effects, this study reports the osteogenesis abilities of three types of carbonate apatite granular scaffolds with different shapes, namely, irregularly shaped dense granules (DGs) and two types of honeycomb granules (HCGs) with seven hexagonal channels (∼255 μm in length between opposite sides). The HCGs possessed either 12 protuberances (∼75 μm in length) or no protuberances. Protuberances increased the SA of each granule by 3.24 mm2 while also widening interscaffold spaces and increasing the space percentage in the defect by ∼7.6%. Interscaffold spaces were lower in DGs than HCGs. On DGs, new bone formed only on the surface, whereas on HCGs, bone simultaneously formed on the surface and in intrascaffold channels. Interestingly, HCGs without protuberances formed approximately 30% more new bone than those with protuberances. Thus, even tiny protuberances on the scaffold surface can affect the percentage of interscaffold space, thereby exerting dominant effects on osteogenesis. Our findings demonstrate that bone regeneration can be improved by considering macroscopic shape effects beyond the microscopic effects of the scaffold.
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