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Mellati A, Hasanzadeh E, Gholipourmalekabadi M, Enderami SE. Injectable nanocomposite hydrogels as an emerging platform for biomedical applications: A review. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112489. [PMID: 34857275 DOI: 10.1016/j.msec.2021.112489] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/07/2021] [Accepted: 10/10/2021] [Indexed: 12/13/2022]
Abstract
Hydrogels have attracted much attention for biomedical and pharmaceutical applications due to the similarity of their biomimetic structure to the extracellular matrix of natural living tissues, tunable soft porous microarchitecture, superb biomechanical properties, proper biocompatibility, etc. Injectable hydrogels are an exciting type of hydrogels that can be easily injected into the target sites using needles or catheters in a minimally invasive manner. The more comfortable use, less pain, faster recovery period, lower costs, and fewer side effects make injectable hydrogels more attractive to both patients and clinicians in comparison to non-injectable hydrogels. However, it is difficult to achieve an ideal injectable hydrogel using just a single material (i.e., polymer). This challenge can be overcome by incorporating nanofillers into the polymeric matrix to engineer injectable nanocomposite hydrogels with combined or synergistic properties gained from the constituents. This work aims to critically review injectable nanocomposite hydrogels, their preparation methods, properties, functionalities, and versatile biomedical and pharmaceutical applications such as tissue engineering, drug delivery, and cancer labeling and therapy. The most common natural and synthetic polymers as matrices together with the most popular nanomaterials as reinforcements, including nanoceramics, carbon-based nanostructures, metallic nanomaterials, and various nanosized polymeric materials, are highlighted in this review.
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Affiliation(s)
- Amir Mellati
- Molecular and Cell Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran; Department of Tissue Engineering & Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Elham Hasanzadeh
- Department of Tissue Engineering & Regenerative Medicine, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mazaher Gholipourmalekabadi
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran, Iran; Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Seyed Ehsan Enderami
- Molecular and Cell Biology Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran; Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
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Gharbi A, Ayadi S, Jouini N, Schoenstein F, Oudadess H, Feki HE, Cheikhrouhou-Koubaa W. Original implementation of low-temperature SPS for bioactive glass used as a bone biomaterial. J Mech Behav Biomed Mater 2021; 126:104988. [PMID: 34844878 DOI: 10.1016/j.jmbbm.2021.104988] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 11/16/2021] [Accepted: 11/18/2021] [Indexed: 12/21/2022]
Abstract
Alkali borated bioactive glasses powders with compositions based on the SiO2-Na2O-CaO-P2O5-x B2O3 system (0 < x < 20 wt%); have been consolidated at low temperature using Spark Plasma Sintering (SPS). Through SPS technique under 50 MPa, it was possible to achieve fully dense and completely amorphous borated glasses at temperatures as low as 420 °C. By increasing the sintering temperature up to 430 °C, the dense samples crystallized which is mostly achieved at higher temperatures. This study reveals that the mechanical properties of these new borated biomaterials are suitable to be used as a promising candidate for repairing defects in non-load-bearing bones as well as for coating on the metallic surface implants to improve the bioactivity process bone/implant. The pressure had a weak effect on the crystallization and densification of the glass compared to the temperature during the powder consolidation by SPS. Moreover, by increasing the boron content, the compressive strength and the elastic modulus of the elaborated glasses decreased for being close to those of the natural.
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Affiliation(s)
- A Gharbi
- Sfax University, Faculty of Sciences of Sfax, 3018, Sfax, Tunisia; University of Rennes 1, ISCR, UMR CNRS 6226, 35042, Rennes, France
| | - S Ayadi
- University of Paris 13, LSPM, CNRS-UPR 9001, 93430, Villetaneuse, France
| | - N Jouini
- University of Paris 13, LSPM, CNRS-UPR 9001, 93430, Villetaneuse, France
| | - F Schoenstein
- University of Paris 13, LSPM, CNRS-UPR 9001, 93430, Villetaneuse, France; University of Paris Est, ICM, CNRS-UPEC-UMR7182, 94320, Thiais, France
| | - H Oudadess
- University of Rennes 1, ISCR, UMR CNRS 6226, 35042, Rennes, France
| | - H El Feki
- Sfax University, Faculty of Sciences of Sfax, 3018, Sfax, Tunisia
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Müller V, Jobbagy M, Djurado E. Coupling sol-gel with electrospray deposition: Towards nanotextured bioactive glass coatings. Ann Ital Chir 2021. [DOI: 10.1016/j.jeurceramsoc.2021.07.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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54
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Huang C, Yu M, Li H, Wan X, Ding Z, Zeng W, Zhou Z. Research Progress of Bioactive Glass and Its Application in Orthopedics. ADVANCED MATERIALS INTERFACES 2021. [DOI: 10.1002/admi.202100606] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Chao Huang
- Department of Orthopaedics West China Hospital of Sichuan University No. 37 Guoxue Alley, Wuhou District Chengdu 610041 P. R. China
| | - Min Yu
- Department of Anesthesiology North‐Kuanren General Hospital No. 69 Xingguang Avenue, Yubei District Chongqing 401121 P. R. China
| | - Hao Li
- Department of Orthopaedics West China Hospital of Sichuan University No. 37 Guoxue Alley, Wuhou District Chengdu 610041 P. R. China
| | - Xufeng Wan
- Department of Orthopaedics West China Hospital of Sichuan University No. 37 Guoxue Alley, Wuhou District Chengdu 610041 P. R. China
| | - Zichuan Ding
- Department of Orthopaedics West China Hospital of Sichuan University No. 37 Guoxue Alley, Wuhou District Chengdu 610041 P. R. China
| | - Weinan Zeng
- Department of Orthopaedics West China Hospital of Sichuan University No. 37 Guoxue Alley, Wuhou District Chengdu 610041 P. R. China
| | - Zongke Zhou
- Department of Orthopaedics West China Hospital of Sichuan University No. 37 Guoxue Alley, Wuhou District Chengdu 610041 P. R. China
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55
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Agro waste as a source of bioactive glass for targeted drug delivery and bone implantation. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Cannio M, Bellucci D, Roether JA, Boccaccini DN, Cannillo V. Bioactive Glass Applications: A Literature Review of Human Clinical Trials. MATERIALS (BASEL, SWITZERLAND) 2021; 14:5440. [PMID: 34576662 PMCID: PMC8470635 DOI: 10.3390/ma14185440] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 09/17/2021] [Accepted: 09/17/2021] [Indexed: 12/11/2022]
Abstract
The use of bioactive glasses in dentistry, reconstructive surgery, and in the treatment of infections can be considered broadly beneficial based on the emerging literature about the potential bioactivity and biocompatibility of these materials, particularly with reference to Bioglass® 45S5, BonAlive® and 19-93B3 bioactive glasses. Several investigations have been performed (i) to obtain bioactive glasses in different forms, such as bulk materials, powders, composites, and porous scaffolds and (ii) to investigate their possible applications in the biomedical field. Although in vivo studies in animals provide us with an initial insight into the biological performance of these systems and represent an unavoidable phase to be performed before clinical trials, only clinical studies can demonstrate the behavior of these materials in the complex physiological human environment. This paper aims to carefully review the main published investigations dealing with clinical trials in order to better understand the performance of bioactive glasses, evaluate challenges, and provide an essential source of information for the tailoring of their design in future applications. Finally, the paper highlights the need for further research and for specific studies intended to assess the effect of some specific dissolution products from bioactive glasses, focusing on their osteogenic and angiogenic potential.
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Affiliation(s)
- Maria Cannio
- Dipartimento di Ingegneria Enzo Ferrari, Università degli Studi di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy; (M.C.); (D.B.)
| | - Devis Bellucci
- Dipartimento di Ingegneria Enzo Ferrari, Università degli Studi di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy; (M.C.); (D.B.)
| | - Judith A. Roether
- Department of Materials Science and Engineering, Institute for Polymer Materials, University of Erlangen-Nuremberg, 91058 Erlangen, Germany;
| | | | - Valeria Cannillo
- Dipartimento di Ingegneria Enzo Ferrari, Università degli Studi di Modena e Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy; (M.C.); (D.B.)
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Unalan I, Fuggerer T, Slavik B, Buettner A, Boccaccini AR. Antibacterial and antioxidant activity of cinnamon essential oil-laden 45S5 bioactive glass/soy protein composite scaffolds for the treatment of bone infections and oxidative stress. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112320. [PMID: 34474871 DOI: 10.1016/j.msec.2021.112320] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 07/08/2021] [Accepted: 07/13/2021] [Indexed: 12/25/2022]
Abstract
This study aimed to fabricate cinnamon essential oil (CO)-laden 45S5 bioactive glass (BG)/soy protein (SP) scaffolds exhibiting antioxidant and antibacterial activity. In this regard, 45S5 BG-based scaffolds were produced by the foam replica method, and subsequently the scaffolds were coated with various concentrations of CO (2.5, 5 and 7 (v/v) %) incorporated SP solution. Scanning electron microscopy images revealed that the CO-laden SP effectively attached to the 45S5 BG scaffold struts. The presence of 45S5 BG, SP and CO was confirmed using Fourier transform infrared spectroscopy. Compressive strength results indicated that SP based coatings improved the scaffolds' mechanical properties compared to uncoated BG scaffolds. The loading efficiency and releasing behaviour of the different CO concentrations were tested by gas chromatography-mass spectroscopy and UV-Vis spectroscopy. The results showed that CO incorporated scaffolds have controlled releasing behaviour over seven days. Furthermore, the coating on the scaffold surfaces slightly retarded, but it did not inhibit, the in vitro bioactivity of the scaffolds. Moreover, the antioxidant and antibacterial activity of CO was studied. The free radical scavenging activity measured by DPPH was 5 ± 1, 41 ± 3, 44 ± 1 and 43 ± 1 % for BGSP, CO2.5, CO5 and CO7, respectively. The antioxidant activity was thus enhanced by incorporating CO. Agar diffusion and colony counting results indicated that the incorporation of CO increased the antibacterial activity of scaffolds against S. aureus and E. coli. In addition, cytotoxicity of the scaffolds was investigated using MG-63 osteoblast-like cells. The results showed that the BG-SP scaffold was non-toxic under the investigated conditions, whereas dose-dependent toxicity was observed in CO-laden scaffolds. Considered together, the developed phytotherapeutic agent laden 45S5 BG-based scaffolds are promising for bone tissue engineering exhibiting capability to combat bone infections and to protect against oxidative stress damage.
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Affiliation(s)
- Irem Unalan
- Institute of Biomaterials, Department of Materials Science and Engineering, Friedrich-Alexander-University Erlangen-Nuremberg, Caustraße 6, 91058 Erlangen, Germany
| | - Tim Fuggerer
- Institute of Biomaterials, Department of Materials Science and Engineering, Friedrich-Alexander-University Erlangen-Nuremberg, Caustraße 6, 91058 Erlangen, Germany
| | - Benedikt Slavik
- Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nuremberg, Henkestraße 9, 91054 Erlangen, Germany
| | - Andrea Buettner
- Department of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nuremberg, Henkestraße 9, 91054 Erlangen, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, Friedrich-Alexander-University Erlangen-Nuremberg, Caustraße 6, 91058 Erlangen, Germany.
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Abstract
Regenerative engineering has pioneered several novel biomaterials to treat critical-sized bone injuries. However, despite significant improvement in synthetic materials research, some limitations still exist. The constraints correlated with the current grafting methods signify a treatment paradigm shift to osteoinductive regenerative engineering approaches. Because of their intrinsic potential, inductive biomaterials may represent alternative approaches to treating critical bone injuries. Osteoinductive scaffolds stimulate stem cell differentiation into the osteoblastic lineage, enhancing bone regeneration. Inductive biomaterials comprise polymers, calcium phosphate ceramics, metals, and graphene family materials. This review will assess the cellular behavior toward properties of inductive materials.
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Affiliation(s)
- F S Hosseini
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT, USA
- Raymond and Beverly Sackler Center for Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT, USA
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
- Department of Skeletal Biology and Regeneration, UConn Health, Farmington, CT, USA
| | - L S Nair
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT, USA
- Raymond and Beverly Sackler Center for Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT, USA
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT, USA
| | - C T Laurencin
- Connecticut Convergence Institute for Translation in Regenerative Engineering, University of Connecticut Health, Farmington, CT, USA
- Raymond and Beverly Sackler Center for Biological, Physical and Engineering Sciences, University of Connecticut Health, Farmington, CT, USA
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT, USA
- Department of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, CT, USA
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Bento R, Gaddam A, Ferreira JMF. Sol-Gel Synthesis and Characterization of a Quaternary Bioglass for Bone Regeneration and Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2021; 14:4515. [PMID: 34443039 PMCID: PMC8398804 DOI: 10.3390/ma14164515] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/30/2021] [Accepted: 08/04/2021] [Indexed: 12/27/2022]
Abstract
Sol-gel synthesis using inorganic and/or organic precursors that undergo hydrolysis and condensation at room temperature is a very attractive and less energetic method for preparing bioactive glass (BG) compositions, as an alternative to the melt-quenching process. When properly conducted, sol-gel synthesis might result in amorphous structures, with all of the components intimately mixed at the atomic scale. Moreover, developing new and better performing materials for bone tissue engineering is a growing concern, as the aging of the world's population leads to lower bone density and osteoporosis. This work describes the sol-gel synthesis of a novel quaternary silicate-based BG with the composition 60 SiO2-34 CaO-4 MgO-2 P2O5 (mol%), which was prepared using acidified distilled water as a single solvent. By controlling the kinetics of the hydrolysis and condensation steps, an amorphous glass structure could be obtained. The XRD results of samples calcined within the temperature range of 600-900 °C demonstrated that the amorphous nature was maintained until 800 °C, followed by partial crystallization at 900 °C. The specific surface area-an important factor in osteoconduction-was also evaluated over different temperatures, ranging from 160.6 ± 0.8 m2/g at 600 °C to 2.2 ± 0.1 m2/g at 900 °C, accompanied by consistent changes in average pore size and pore size distribution. The immersion of the BG particles in simulated body fluid (SBF) led to the formation of an extensive apatite layer on its surface. These overall results indicate that the proposed material is very promising for biomedical applications in bone regeneration and tissue engineering.
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Affiliation(s)
- Ricardo Bento
- CICECO—Aveiro Institute of Materials, Department of Materials and Ceramic Engineering, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (R.B.); (A.G.)
| | - Anuraag Gaddam
- CICECO—Aveiro Institute of Materials, Department of Materials and Ceramic Engineering, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (R.B.); (A.G.)
- Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos 13566-590, SP, Brazil
| | - José M. F. Ferreira
- CICECO—Aveiro Institute of Materials, Department of Materials and Ceramic Engineering, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; (R.B.); (A.G.)
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Mostafa AA, El-Sayed MMH, Emam AN, Abd-Rabou AA, Dawood RM, Oudadesse H. Bioactive glass doped with noble metal nanoparticles for bone regeneration: in vitro kinetics and proliferative impact on human bone cell line. RSC Adv 2021; 11:25628-25638. [PMID: 35478889 PMCID: PMC9036971 DOI: 10.1039/d1ra03876a] [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: 05/18/2021] [Accepted: 07/12/2021] [Indexed: 12/01/2022] Open
Abstract
This work investigates the bioactivity of novel silver-doped (BG-Ag) and gold-doped (BG-Au) quaternary 46S6 bioactive glasses synthesized via a semi-solid-state technique. A pseudo-second-order kinetic model successfully predicted the in vitro uptake kinetic profiles of the initial ion-exchange release of Ca in simulated body fluid, the subsequent Si release, and finally, the adsorption of Ca and P onto the bioactive glasses. Doping with silver nanoparticles enhanced the rate of P uptake by up to approximately 90%; whereas doping with gold nanoparticles improved Ca and P uptake rates by up to about 7 and 2 times, respectively; as well as Ca uptake capacity by up to about 19%. The results revealed that the combined effect of Ca and Si release, and possibly the release of silver and gold ions into solution, influenced apatite formation due to their effect on Ca and P uptake rate and capacity. In general, gold-doped bioactive glasses are favoured for enhancing Ca and P uptake rates in addition to Ca uptake capacity. However, silver-doped bioactive glasses being less expensive can be utilized for applications targeting rapid healing. In vitro studies showed that BG, BG-Ag and BG-Au had no cytotoxic effects on osteosarcoma MG-63 cells, while they exhibited a remarkable cell proliferation even at low concentration. The prepared bioactive glass doped with noble metal nanoparticles could be potentially used in bone regeneration applications.
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Affiliation(s)
- Amany A Mostafa
- Refractories, Ceramics and Building Materials Department (Biomaterials Group), National Research Centre (NRC) El Bohouth St., Dokki 12622 Cairo Egypt
- Nanomedicine & Tissue Engineering Lab., Medical Research Center of Excellence (MRCE), NRC Egypt
| | - Mayyada M H El-Sayed
- Chemistry Department, School of Sciences and Engineering, American University in Cairo AUC Avenue New Cairo 11835 Egypt
| | - Ahmed N Emam
- Refractories, Ceramics and Building Materials Department (Biomaterials Group), National Research Centre (NRC) El Bohouth St., Dokki 12622 Cairo Egypt
- Nanomedicine & Tissue Engineering Lab., Medical Research Center of Excellence (MRCE), NRC Egypt
| | - Ahmed A Abd-Rabou
- Hormones Department, Medical Research Division, National Research Centre Dokki Giza Egypt
| | - Reham M Dawood
- Department of Microbial Biotechnology, Genetic Engineering Division, National Research Centre 33 EL Bohouth Street Dokki Giza 12622 Egypt
| | - Hassane Oudadesse
- Universite de Rennes 1, UMR CNRS 6226 263 Avenue du Général Leclerc 35042 Rennes Cedex France
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Dai Q, Li Q, Gao H, Yao L, Lin Z, Li D, Zhu S, Liu C, Yang Z, Wang G, Chen D, Chen X, Cao X. 3D printing of Cu-doped bioactive glass composite scaffolds promotes bone regeneration through activating the HIF-1α and TNF-α pathway of hUVECs. Biomater Sci 2021; 9:5519-5532. [PMID: 34236062 DOI: 10.1039/d1bm00870f] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The increasing insight into the molecular and cellular processes within the angiogenic cascade assists in enhancing the survival and integration of engineered bone constructs. Copper-doped bioactive glass (Cu-BG) is now a potential structural component of the novel scaffolds and implants used in orthopedic and dental repairs. However, it is difficult for BG, especially micro-nano particles, to be printed into scaffolds and still retain its biological activity and ability to biodegrade. Additionally, the mechanisms of the copper-stimulating autocrine and paracrine effects of human umbilical vein endothelial cells (hUVECs) during repair and regeneration of bone are not yet clear. Therefore, in this study, we created monodispersed micro-nano spherical Cu-BG particles with varying copper content through a sol-gel process. Through in vitro tests, we found that Cu-BG enhanced angiogenesis by activating the pro-inflammatory environment and the HIF-1α pathway of hUVECs. Furthermore, 2Cu-BG diluted extracts directly promoted the osteogenic differentiation of mouse bone mesenchymal stem cells (BMSCs) in vitro. Then, a new 3D-printed tyramine-modified gelatin/silk fibroin/copper-doped bioactive glass (Gel/SF/Cu-BG) scaffold for rat bone defects was constructed, and the mechanism of the profound angiogenesis effect regulated by copper was explored in vivo. Finally, we found that hydrogel containing 1 wt% 2Cu-BG effectively regulated the spatiotemporal coupling of vascularization and osteogenesis. Therefore, Cu-BG-containing scaffolds have great potential for a wide range of bone defect repairs.
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Affiliation(s)
- Qiyuan Dai
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Qingtao Li
- School of Medicine, South China University of Technology, Guangzhou 510006, P. R. China
| | - Huichang Gao
- School of Medicine, South China University of Technology, Guangzhou 510006, P. R. China
| | - Longtao Yao
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Zefeng Lin
- Guangdong Key Lab of Orthopedic Technology and Implants, General Hospital of Southern Theater Command of PLA, Guangzhou, 510010, P. R. China
| | - Dingguo Li
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Shuangli Zhu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Cong Liu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Zhen Yang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, P. R. China.
| | - Gang Wang
- Department of Spine Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangdong Provincial Key Laboratory of Orthopaedics and Traumatology, Guangzhou, 510080, P. R. China
| | - Dafu Chen
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Orthopaedics and Traumatology, Beijing JiShuiTan Hospital, Beijing, 100035, P. R. China.
| | - Xiaofeng Chen
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, P. R. China. and National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, P. R. China
| | - Xiaodong Cao
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, P. R. China. and National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Key Laboratory of Biomedical Engineering of Guangdong Province, South China University of Technology, Guangzhou 510006, P. R. China
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Pang L, Tian P, Cui X, Wu X, Zhao X, Wang H, Wang D, Pan H. In Situ Photo-Cross-Linking Hydrogel Accelerates Diabetic Wound Healing through Restored Hypoxia-Inducible Factor 1-Alpha Pathway and Regulated Inflammation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:29363-29379. [PMID: 34128630 DOI: 10.1021/acsami.1c07103] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The hypoxia-inducible factor 1-alpha (HIF-1a) pathway plays a key role in regulating angiogenesis during wound healing. However, the diabetic condition hampers the stabilization of HIF-1a and thus inhibits the subsequent angiogenesis, and meanwhile, the function and phenotype transition of macrophage are impaired in the diabetic condition, which leads to prolonged and chronic inflammation. Both angiogenesis inhibition and inflammatory dysfunction make diabetic wound healing a major clinical challenge. Here, borosilicate (BS), a new group of bioceramics with a coupled network of interconnected [BO3] and [SiO4] which can incorporate therapeutic ions such as Cu2+, is synthesized and combined with silk fibroin (SF), a biocompatible natural amino acid polymer whose composition and structure are similar to a natural extracellular matrix (ECM), to obtain a compound system which can transform into a SF-MA-BS hydrogel under UV radiation via methacryloyloxy (MA) groups modified on both BS and SF. When in use, the compound system can thoroughly spread to the whole wound surface and be in situ photo-cross-linked to form an integral SF-MA-BS hydrogel that firmly adheres to the wound, protects the wound from external contamination, and further spontaneously promotes wound regeneration by releasing therapeutic ions. The wound repair of Streptozotocin-induced diabetic rats shows that diabetic wound healing is obviously accelerated by SF-MA-BS, interestingly the HIF-1a pathway is restored via interaction between HIF-1a and Cu2+, and angiogenesis is therefore enhanced. Meanwhile, inflammation is well regulated by SF-MA-BS, and long-term detrimental inflammation is avoided. These findings indicate that the SF-MA-BS hydrogel regenerates diabetic wounds, and further clinical trials are anticipated.
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Affiliation(s)
- Libin Pang
- Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055 ,Guangdong, China
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
| | - Pengfei Tian
- Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055 ,Guangdong, China
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan 030001, Shanxi, China
| | - Xu Cui
- Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055 ,Guangdong, China
| | - Xiuping Wu
- Shanxi Medical University School and Hospital of Stomatology, Taiyuan 030001, Shanxi, China
| | - Xiaoli Zhao
- Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055 ,Guangdong, China
| | - Hui Wang
- Laboratory for Advance Lubricating Materials, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
| | - Deping Wang
- School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
| | - Haobo Pan
- Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055 ,Guangdong, China
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63
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Viscoelasticity, Mechanical Properties, and In Vitro Bioactivity of Gelatin/Borosilicate Bioactive Glass Nanocomposite Hydrogels as Potential Scaffolds for Bone Regeneration. Polymers (Basel) 2021; 13:polym13122014. [PMID: 34203052 PMCID: PMC8235030 DOI: 10.3390/polym13122014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/01/2021] [Accepted: 06/14/2021] [Indexed: 11/29/2022] Open
Abstract
Chemical cross-linking was used to create nanocomposite hydrogels made up of gelatin (G) and borosilicate bioactive glass (BBG) with different content (0, 3, and 5 wt.%). The G/BBG nanocomposite hydrogels were studied for their morphology, mechanical properties, and viscoelasticity. SEM images revealed a macroporous interconnected structure with particles scattered across the pore walls. Studies of water absorption and degradation confirmed that the nanocomposite scaffolds were hydrophilic and biodegradable. The addition of 5% BBG to the scaffold formulations increased the compressive modulus by 413% and the compressive intensity by 20%, respectively. At all frequency ranges tested, the storage modulus (G′) was greater than the loss modulus (G″), revealing a self-standing elastic nanocomposite hydrogel. The nanocomposite scaffolds facilitated apatite formation while immersed in simulated body fluid (SBF). According to the findings, G/BBG nanocomposite scaffolds could be a promising biomaterial for bone regeneration.
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Bioactive Glass Modified Calcium Phosphate Cement with Improved Bioactive Properties: A Potential Material for Dental Pulp-Capping Approaches. JOURNAL OF BIOMIMETICS BIOMATERIALS AND BIOMEDICAL ENGINEERING 2021. [DOI: 10.4028/www.scientific.net/jbbbe.51.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Direct pulp capping (DPC) is one of the treatment plans for deep caries with mechanical pulp exposure that can replace invasive treatments. This study aimed to assess the apatite-forming ability and solubility of a calcium phosphate cement (CPC) modified with bioactive glass (BG) as a potential bioactive material for DPC.Three different biomaterials including CPC, BG, and CPC/BG composite were used in this study. For bioactivity evaluation, specimens were immersed in simulated body fluid (SBF) for 5 time periods (3, 7, 14, 21 and 28 days). The samples were analyzed by SEM, EDS and XRD to confirm the formation of hydroxyapatite. The solubility was calculated by measuring the initial and final mass according to the ISO 6876 specifications.According to the results of this study, SEM observations and XRD analysis revealed higher formation of hydroxyapatite crystals in the CPC/BG Group and also at the shorter time than those in the CPC and BG groups. Concerning solubility, the CPC group showed the most solubility after 7 days and the BG group showed the lowest one. At this time the difference between CPC and BG groups was statistically meaningful (p value=0.003). After 30 days the CPC/BG group exhibited the lowest solubility value. At the day 30, the CPC and BG groups showed significant difference in their solubility (p value=0.04).).Based on the results, addition of BG to CPC improved bioactivity properties of CPC material and did not affect its solubility adversely. The CPC/BG composite seems to be a promising material for DPC. Further in vivo studies are needed to prove its clinical success.
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Catauro M, Ciprioti SV. Characterization of Hybrid Materials Prepared by Sol-Gel Method for Biomedical Implementations. A Critical Review. MATERIALS (BASEL, SWITZERLAND) 2021; 14:1788. [PMID: 33916333 PMCID: PMC8038627 DOI: 10.3390/ma14071788] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 03/26/2021] [Accepted: 04/01/2021] [Indexed: 12/23/2022]
Abstract
The interaction between tissues and biomaterials (BM) has the purpose of improving and replacing anatomical parts of the human body, avoiding the occurrence of adverse reactions in the host organism. Unfortunately, the early failure of implants cannot be currently avoided, since neither a good mixture of mechanical and chemical characteristics of materials nor their biocompatibility has been yet achieved. Bioactive glasses are recognized to be a fine class of bioactive substances for good repair and replacement. BM interact with living bones through the formation of a hydroxyapatite surface layer that is analogous to bones. Bioglasses' composition noticeably affects their biological properties, as does the synthesis method, with the best one being the versatile sol-gel technique, which includes the change of scheme from a 'sol' fluid into a 'gel'. This process is widely used to prepare many materials for biomedical implants (e.g., hip and knee prostheses, heart valves, and ceramic, glassy and hybrid materials to serve as carriers for drug release). Nanoparticles prepared by the sol-gel method are interesting systems for biomedical implementations, and particularly useful for cancer therapy. This review provides many examples concerning the synthesis and characterization of the above-mentioned materials either taken from literature and from recently prepared zirconia/polyethylene glycol (PEG) hybrids, and the corresponding results are extensively discussed.
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Affiliation(s)
- Michelina Catauro
- Department of Engineering, University of Campania “Luigi Vanvitelli”, Via Roma 29, I-813031 Aversa, Italy
| | - Stefano Vecchio Ciprioti
- Department of Basic and Applied Science for Engineering (S.B.A.I.), Sapienza University of Rome, Via del Castro Laurenziano 7, Building RM017, I-00161 Rome, Italy
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Danewalia S, Singh K. Bioactive glasses and glass-ceramics for hyperthermia treatment of cancer: state-of-art, challenges, and future perspectives. Mater Today Bio 2021; 10:100100. [PMID: 33778466 PMCID: PMC7985406 DOI: 10.1016/j.mtbio.2021.100100] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 02/08/2021] [Accepted: 02/16/2021] [Indexed: 01/04/2023] Open
Abstract
Bioactive glasses and glass-ceramics are well-proven potential biomaterials for bone-tissue engineering applications because of their compositional flexibility. Many research groups have been focused to explore the utility of bioactive glass-ceramics beyond bone engineering to hyperthermia treatment of cancer. Hyperthermia refers to raising the temperature of tumor close to 44°C at which malignant cells perish with negligible harm to normal cells. Hyperthermia can be employed by many means such as by ultrasonic waves, electromagnetic waves, infrared radiations, alternating magnetic fields, etc. Magnetic bioactive glass-ceramics are advantageous over other potential candidates for thermoseeds such as nanofluids, superparamagnetic nanoparticles because they can bond not only to the natural bone but also with soft tissues in few cases, which helps regenerating the affected part due to its bioactive nature. Strict restrictions on clinical settings ( H × f < 5 × 10 9 ) force the research activities to be more focused on material characteristics to raise the implant temperature to required ranges. Lots of efforts have been made in past years to tackle these challenges and design best-suited glass-ceramics for hyperthermia treatment. This review aims to provide essential information on the concept of hyperthermia treatment of cancer and recent developments in the field of bioactive glass-ceramics for cancer treatment. The advantages and disadvantages of magnetic glass-ceramics over other potential thermoseed materials are highlighted. In this field, the major challenges are to develop magnetic glasses, which have fast and bulk crystallization with optimized magnetic phases with lower Curie and Neel temperatures.
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Affiliation(s)
- S.S. Danewalia
- Division of Research and Development, Lovely Professional University, Phagwara, 144411, India
| | - K. Singh
- School of Physics & Materials Science, Thapar Institute of Engineering and Technology, Patiala, 147004, India
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Hammad HG, Salama MNF. Porosity Pattern of 3D Chitosan/Bioactive Glass Tissue Engineering Scaffolds Prepared for Bone Regeneration. Open Dent J 2021. [DOI: 10.2174/1874210602115010041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Aim:
The study was conducted to investigate the obtained external and internal porosity and the pore-interconnectivity of specific fabricated bioactive composite tissue engineering scaffolds for bone regeneration in dental applications.
Materials and Methods:
In this study, the bioactive glass [M] was elaborated as a quaternary system to be incorporated into the chitosan [C] scaffold preparation on a magnetic stirrer to provide bioactivity and better strength properties for the attempted composite scaffolds [C/ M] of variable compositions. The homogenous chitosan/bioactive glass mix was poured into tailor-made cylindrical molds [10cm×10cm]; a freeze-dryer program was used for the creation of uniform and interconnected macropores for all prepared chitosan-based scaffolds. The morphology of fabricated chitosan [C] and chitosan-bioactive glass [C/ M] composite scaffolds was studied by a scanning electron microscope [SEM] and a mercury porosimeter. In addition, the in-vitro biodegradation rate of all elaborated scaffolds was reported after immersing the prepared scaffolds in a simulated body fluid [SBF] solution. Furthermore, for every prepared scaffold composition, characterization was performed for phase identification, microstructure, porosity, bioactivity, and mechanical properties using an X-ray diffraction analysis [XRD], an X-ray Fourier transfer infrared spectroscopy [FTIR], a mercury porosimetry, a scanning electron microscopy [SEM] coupled to an energy-dispersive X-ray spectrometry [EDS] and a universal testing machine, respectively.
Results:
All the prepared porous chitosan-based composite materials showed pore sizes suitable for osteoblasts seeding, with relatively larger pore sizes for the C scaffolds.
Conclusion:
The smart blending of the prepared bioactive glass [M] with the chitosan matrix offered some advantages, such as the formation of an apatite layer for cell adhesion upon the scaffold surfaces, the reasonable decrease in scaffold pore size, and the relative increase in compressive strength that were enhanced by the incorporation of [M]. Therefore, the morphology, microstructure, and mechanical behavior of the elaborated stress loaded biocomposite tissue engineering scaffolds seem highly dependent on their critical contented bioactive glass.
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Phull SS, Yazdi AR, Ghert M, Towler MR. Bone cement as a local chemotherapeutic drug delivery carrier in orthopedic oncology: A review. J Bone Oncol 2021; 26:100345. [PMID: 33552885 PMCID: PMC7856326 DOI: 10.1016/j.jbo.2020.100345] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/08/2020] [Accepted: 12/11/2020] [Indexed: 01/05/2023] Open
Abstract
Metastatic bone lesions are common among patients with advanced cancers. While chemotherapy and radiotherapy may be prescribed immediately after diagnosis, the majority of severe metastatic bone lesions are treated by reconstructive surgery, which, in some cases, is followed by postoperative radiotherapy or chemotherapy. However, despite recent advancements in orthopedic surgery, patients undergoing reconstruction still have the risk of developing severe complications such as tumor recurrence and reconstruction failure. This has led to the introduction and evaluation of poly (methyl methacrylate) and inorganic bone cements as local carriers for chemotherapeutic drugs (usually, antineoplastic drugs (ANPDs)). The present work is a critical review of the literature on the potential use of these cements in orthopedic oncology. While several studies have demonstrated the benefits of providing high local drug concentrations while minimizing systemic side effects, only six studies have been conducted to assess the local toxic effect of these drug-loaded cements and they all reported negative effects on healthy bone structure. These findings do not close the door on chemotherapeutic bone cements; rather, they should assist in materials selection when designing future materials for the treatment of metastatic bone disease.
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Affiliation(s)
- Sunjeev S. Phull
- Department of Biomedical Engineering, Ryerson University, Toronto M5B 2K3, Ontario, Canada
- Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto M5B 1W8, Ontario, Canada
| | - Alireza Rahimnejad Yazdi
- Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto M5B 1W8, Ontario, Canada
- Department of Mechanical Engineering, Ryerson University, Toronto M5B 2K3, Ontario, Canada
| | - Michelle Ghert
- Department of Surgery, McMaster University, Hamilton L8V 5C2, Ontario, Canada
| | - Mark R. Towler
- Department of Biomedical Engineering, Ryerson University, Toronto M5B 2K3, Ontario, Canada
- Li Ka Shing Knowledge Institute, St. Michael’s Hospital, Toronto M5B 1W8, Ontario, Canada
- Department of Mechanical Engineering, Ryerson University, Toronto M5B 2K3, Ontario, Canada
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Silica-Based Bioactive Glasses and Their Applications in Hard Tissue Regeneration: A Review. Pharmaceuticals (Basel) 2021; 14:ph14020075. [PMID: 33498229 PMCID: PMC7909272 DOI: 10.3390/ph14020075] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/23/2020] [Accepted: 01/15/2021] [Indexed: 12/21/2022] Open
Abstract
Regenerative medicine is a field that aims to influence and improvise the processes of tissue repair and restoration and to assist the body to heal and recover. In the field of hard tissue regeneration, bio-inert materials are being predominantly used, and there is a necessity to use bioactive materials that can help in better tissue-implant interactions and facilitate the healing and regeneration process. One such bioactive material that is being focused upon and studied extensively in the past few decades is bioactive glass (BG). The original bioactive glass (45S5) is composed of silicon dioxide, sodium dioxide, calcium oxide, and phosphorus pentoxide and is mainly referred to by its commercial name Bioglass. BG is mainly used for bone tissue regeneration due to its osteoconductivity and osteostimulation properties. The bioactivity of BG, however, is highly dependent on the compositional ratio of certain glass-forming system content. The manipulation of content ratio and the element compositional flexibility of BG-forming network developed other types of bioactive glasses with controllable chemical durability and chemical affinity with bone and bioactivity. This review article mainly discusses the basic information about silica-based bioactive glasses, including their composition, processing, and properties, as well as their medical applications such as in bone regeneration, as bone grafts, and as dental implant coatings.
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Zhang G, Zhao P, Lin L, Qin L, Huan Z, Leeflang S, Zadpoor AA, Zhou J, Wu L. Surface-treated 3D printed Ti-6Al-4V scaffolds with enhanced bone regeneration performance: an in vivo study. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:39. [PMID: 33553332 PMCID: PMC7859759 DOI: 10.21037/atm-20-3829] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background Given their highly adjustable and predictable properties, three-dimensional(3D) printed geometrically ordered porous biomaterials offer unique opportunities as orthopedic implants. The performance of such biomaterials is, however, as much a result of the surface properties of the struts as it is of the 3D porous structure. In our previous study, we have investigated the in vitro performances of selective laser melted (SLM) Ti-6Al-4V scaffolds which are surface modified by the bioactive glass (BG) and mesoporous bioactive glass (MBG), respectively. The results demonstrated that such modification enhanced the attachment, proliferation, and differentiation of human bone marrow stromal cells (hBMSC). Here, we take the next step by assessing the therapeutic potential of 3D printed Ti-6Al-4V scaffolds with BG and MBG surface modifications for bone regeneration in a rabbit bone defect model. Methods 3D printed Ti-6Al-4V scaffolds with BG and MBG surface modifications were implanted into the femoral condyle of the rabbits, the Ti-6Al-4V scaffolds without surface modification were used as the control. At week 3, 6, and 9 after the implantation, micro-computed tomography (micro-CT) imaging, fluorescence double-labeling to determine the mineral apposition rate (MAR), and histological analysis of non-decalcified sections were performed. Results We found significantly higher volumes of regenerated bone, significantly higher values of the relevant bone morphometric parameters, clear signs of bone matrix apposition and maturation, and the evidence of progressed angiogenesis and blood vessel formation in the groups where the bioactive glass was added as a coating, particularly the MGB group. Conclusions The MBG coating resulted in enhanced osteoconduction and vascularization in bone defect healing, which was attributed to the release of silicon and calcium ions and the presence of a nano-mesoporous structure on the surface of the MBG specimens.
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Affiliation(s)
- Guangdao Zhang
- Department of Prosthodontics, School of Stomatology, China Medical University, Shenyang, China
| | - Pengyu Zhao
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Lin Lin
- The First People's Hospital of Shenyang, Shenyang, China
| | - Limei Qin
- Department of Prosthodontics, School of Stomatology, China Medical University, Shenyang, China
| | - Zhiguang Huan
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, China
| | - Sander Leeflang
- Department of Biomechanical Engineering, Delft University of Technology, The Netherlands
| | - Amir A Zadpoor
- Department of Biomechanical Engineering, Delft University of Technology, The Netherlands
| | - Jie Zhou
- Department of Biomechanical Engineering, Delft University of Technology, The Netherlands
| | - Lin Wu
- Department of Prosthodontics, School of Stomatology, China Medical University, Shenyang, China
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71
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Omar AE, Ibrahim AM, Abd El-Aziz TH, Al-Rashidy ZM, Farag MM. Role of alkali metal oxide type on the degradation and in vivo biocompatibility of soda-lime-borate bioactive glass. J Biomed Mater Res B Appl Biomater 2020; 109:1059-1073. [PMID: 33274827 DOI: 10.1002/jbm.b.34769] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 10/24/2020] [Accepted: 11/17/2020] [Indexed: 11/09/2022]
Abstract
In this work, it is the first time to study the effect of replacing of Na2 O by a fixed amount of Li2 O or K2 O in soda-lime-borate glass on its in vivo biocompatibility. The glass composition was based on xM2 O-20x Na2 O20 CaO60 B2 O3 , (wt %), where, M2 OLi2 O and K2 O, and consequently, samples encoded BN100, BK50, and BL50. The degradation test was carried out in 0.25 M K2 HPO4 solution. The in vivo test was performed in the femoral bone defect of Sprague-Dawley adult male rat. Following up bone formation was conducted by the histological analyses and bone formation markers (alkaline phosphatase [ALP] and osteocalcin [OCN]). Furthermore, the glass effect on the liver and kidney functions was addressed in this study using (alanine transaminase [ALT] and aspartate transaminase [AST]) and (urea and creatinine), respectively. The results of the degradation test showed that the glass dissolution rate was increased by incorporating of K2 O, and its ion release was occurred by a diffusion-controlled process. Moreover, in vivo bioactivity test showed that serum activity of ALP, OCN level, and the newly formed bone was higher in BL50-implanted group than that of BN100 andBK50at 3 w and 6 w post-surgery. As well as, implantation of all glass samples in the femoral bone defect did not alter the liver and kidney functions. In conclusion, the synthesized borate glass was well served as a controlled delivery system for Li+ ion release, which enhanced bone formation as shown from the bone formation markers (ALP and OCN).
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Affiliation(s)
- Areg E Omar
- Department of Physics, Faculty of Science, Al-Azhar University (Girls' Branch), Nasr City, Egypt
| | - Ahlam M Ibrahim
- Physics Department (Biophysics Branch), Faculty of Science, Al-Azhar University (Girls' Branch), Nasr City, Egypt
| | - Tamer H Abd El-Aziz
- Department of Parasitology and Animal Diseases, Veterinary Research Division, National Research Centre, Giza, Egypt
| | - Zainab M Al-Rashidy
- Department of Refractoriness, Ceramics and Building Materials, National Research Centre, Giza, Egypt
| | - Mohammad M Farag
- Glass Research Department, National Research Centre, Giza, Egypt
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72
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A cost effective SiO 2-CaO-Na 2O bio-glass derived from bio-waste resources for biomedical applications. Prog Biomater 2020; 9:239-248. [PMID: 33211299 DOI: 10.1007/s40204-020-00145-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 11/04/2020] [Indexed: 01/04/2023] Open
Abstract
The present paper describes the in vitro bioactivity, cytocompatibility and degradation performance of SiO2-CaO-Na2O bio-glass synthesized using bio-waste. Egg shells and rice husk ash (RHA) bio-wastes were used as sources of calcium oxide (CaO) and silica (SiO2), respectively. Glass samples were obtained by melt-quenching technique. Bioactivity was studied using in vitro experiments in simulated body fluid (SBF), degradation behaviour was evaluated in Tris-HCl buffer solutions recommended by ISO 10993-14 standards and cytocompatibility was estimated using MTT assay. The formation of hydroxyapatite was characterized by XRD, FTIR and SEM-EDS after soaking the glass samples in SBF solution. XRD confirmed the phase of hydroxyapatite with its standard JCPDS data. FTIR analyses revealed the occurrence of distinctive functional groups related to hydroxyapatite. Surface micrographs showed the agglomerated globular shape morphology of hydroxyapatite, while EDS analysis confirmed the existence of biological elements of apatite such as Ca, P and O. Degradation study results showed that the glass thus prepared has considerable controlled degradation rate. MTT assay revealed the cytocompatibility nature for different dosages (1000-50 μg/mL) of the prepared glass with MG-63 cells. These results perfectly established that egg shells and RHA are potentially beneficial resources for the production of bio-glasses.
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73
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Nagrath M, Gallant R, Yazdi AR, Mendonca A, Rahman S, Chiu L, Waldman SD, Ni H, Towler MR. Tantalum-containing mesoporous bioactive glass powder for hemostasis. J Biomater Appl 2020; 35:924-932. [PMID: 33059517 DOI: 10.1177/0885328220965150] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
This study evaluates the hemostatic properties of tantalum-containing mesoporous bioactive glasses (Ta-MBGs) through a suite of in-vitro methods: hemolysis percentage, zeta potential, blood coagulation assays (Activated Partial Thromboplastin Time - APTT and Prothrombin Time - PT) and cytotoxicity tests. Five compositions of Ta-MBG, with x mol% Ta2O5 added to the glass series (80-x)SiO2-15CaO-5P2O5-xTa2O5 where x=0 (0Ta), x=0.5 (0.5Ta), x=1 (1Ta), x=5 (5Ta), and x=10 (10Ta) mol%, were synthesised. The hemostatic potential of all the Ta-MBGs was confirmed by their negative zeta potential (-23 to -31 mV), which enhances the intrinsic pathway of blood coagulation. The hemolysis percentages of all Ta-MBGs except 10Ta showed statistically significant reductions compared to the same experiments carried out both in the absence of a sample ('no treatment' group) and in the presence of 10Ta. These observations validate the consideration of Ta-MBGs as hemostatic agents as they do not cause significant lysis of red blood cells. Cytotoxicity analysis revealed that Ta-MBGs had no effect on bovine fibroblast viability. Furthermore, a reduction in both APTT (a test to evaluate the intrinsic pathway of coagulation) and PT (a test to evaluate the extrinsic pathway) signified enhancement of hemostasis: 5Ta caused a significant reduction in APTT compared to 'no treatment', 1Ta and 10Ta and a significant reduction in PT compared to 0Ta. Therefore, we conclude that 5mol% of Ta optimised the hemostatic properties of these mesoporous bioactive glasses.
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Affiliation(s)
- Malvika Nagrath
- Department of Biomedical Engineering, Ryerson University, Toronto, Ontario, Canada.,Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada
| | - Reid Gallant
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Alireza Rahimnejad Yazdi
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada.,Department of Mechanical and Industrial Engineering, Ryerson University, Toronto, Ontario, Canada
| | - Andrew Mendonca
- Department of Biomedical Engineering, Ryerson University, Toronto, Ontario, Canada.,Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada
| | - Saidur Rahman
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada.,Department of Mechanical and Industrial Engineering, Ryerson University, Toronto, Ontario, Canada
| | - Loraine Chiu
- Department of Biomedical Engineering, Ryerson University, Toronto, Ontario, Canada.,Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada
| | - Stephen D Waldman
- Department of Biomedical Engineering, Ryerson University, Toronto, Ontario, Canada.,Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada.,Department of Chemical Engineering, Ryerson University, Toronto, Ontario, Canada
| | - Heyu Ni
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.,Canadian Blood Services Centre for Innovation, Toronto, Ontario, Canada.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
| | - Mark R Towler
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada.,Department of Mechanical and Industrial Engineering, Ryerson University, Toronto, Ontario, Canada
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A Novel Bioactive Glass Containing Therapeutic Ions with Enhanced Biocompatibility. MATERIALS 2020; 13:ma13204600. [PMID: 33076580 PMCID: PMC7602854 DOI: 10.3390/ma13204600] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 02/04/2023]
Abstract
A novel bioactive glass containing therapeutic ions with enhanced biocompatibility was designed and produced by the classical melt-quenching route. Starting from a very promising composition (Bio_MS), which combined bioactivity and high crystallization temperature, the ratio between some oxides was tailored to obtain a new and more reactive (in terms of dissolution rate) bioactive glass, called BGMSN (composition in mol%: 6.1 Na2O, 31.3 CaO, 5 MgO, 10 SrO, 2.6 P2O5, 45 SiO2). The aim of this work was to produce a bioactive glass with a good biological performance, preserving, at the same time, the high crystallization temperature achieved for Bio_MS; this is strategic in order to avoid undesired crystalline phases during thermal treatments, which can undermine the bioactivity and even the stability of final products. A complete characterization of the novel bioactive glass was performed in terms of thermal, mechanical and biological properties and in vitro bioactivity. The thermal behavior of the bioactive glass was studied by heating microscopy, differential thermal analysis (DTA) and optical dilatometry; BGMSN showed a very high crystallization temperature and a high sinterability parameter, thus being suitable for applications where thermal treatments are required, such as sintered samples, coatings and scaffolds. Mechanical properties were investigated by the micro-indentation technique. The in vitro biological properties were evaluated by means of both direct and indirect cell tests, i.e., neutral red (NR) uptake and MTT assay, using murine long bone osteocyte Y4 (MLO-Y4) cells: the cellular viability of BGMSN was higher compared to cellular viability of 45S5, both in direct and indirect tests. Finally, the in vitro bioactivity test by soaking samples in simulated body fluid (SBF) showed high dissolution rate, with a good rate of formation of hydroxyapatite.
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Al-Rashidy ZM, Omar AE, El-Aziz THA, Farag MM. In vivo bioactivity assessment of strontium-containing soda-lime-borate glass implanted in femoral defect of rat. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01535-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Marques A, Miranda G, Silva F, Pinto P, Carvalho Ó. Review on current limits and potentialities of technologies for biomedical ceramic scaffolds production. J Biomed Mater Res B Appl Biomater 2020; 109:377-393. [PMID: 32924277 DOI: 10.1002/jbm.b.34706] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/28/2020] [Accepted: 08/04/2020] [Indexed: 02/06/2023]
Abstract
Osseointegration is defined by a stable and functional union between bone and a surface of a material. This phenomenon is influenced by the geometric and surface characteristics of the part where the bone cells will attach. A wide variety of studies proves that ceramic materials are strong competitors against conventional metals in the scope of bone tissue engineering. Ceramic scaffolds, porous structures that allow bone ingrowth, have been studied to enhance the osseointegration phenomenon. Geometric and dimensional parameters of the scaffold have influence in its performance as mechanical and structural supporter of bone growth. However, these parameters are conditioned by the manufacturing process by which these scaffolds are obtained. Several studies focusing on the production process of ceramic scaffolds have been developed, using 3D printing, stereolithography, selective laser sintering, green machining, robocasting, and others. The main purpose of this work is to evaluate and compare the different manufacturing processes by which ceramic scaffolds can be produced. This comparison addresses scaffold parameters like pore size, pore shape, porosity percentage, roughness, and so forth. Additionally, the different materials used in different manufacturing processes are also mentioned and discussed given its influence on a successful osseointegration while simultaneously displaying adequate mechanical properties. After making a screening on the available ceramic scaffolds manufacturing processes, several examples are presented, proving the potential of each of these manufacturing process for a given scaffold geometry.
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Affiliation(s)
- Ana Marques
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus de Azurém, Guimarães, Portugal
| | - Georgina Miranda
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus de Azurém, Guimarães, Portugal
| | - Filipe Silva
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus de Azurém, Guimarães, Portugal
| | - Paulo Pinto
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus de Azurém, Guimarães, Portugal
| | - Óscar Carvalho
- Center for MicroElectroMechanical Systems (CMEMS), University of Minho, Campus de Azurém, Guimarães, Portugal
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Di Tinco R, Sergi R, Bertani G, Pisciotta A, Bellucci D, Carnevale G, Cannillo V, Bertoni L. Effects of a Novel Bioactive Glass Composition on Biological Properties of Human Dental Pulp Stem Cells. MATERIALS 2020; 13:ma13184049. [PMID: 32932607 PMCID: PMC7560350 DOI: 10.3390/ma13184049] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 08/26/2020] [Accepted: 09/10/2020] [Indexed: 12/25/2022]
Abstract
Functional reconstruction of bone defects represents a clinical challenge in the regenerative medicine field, which targets tissue repair following traumatic injuries and disease-related bone deficiencies. In this regard, the optimal biomaterial should be safe, biocompatible and tailored in order to promote the activation of host progenitor cells towards bone repair. Bioactive glasses might be suitable biomaterials due to their composition being able to induce the host healing response and, eventually, anti-bacterial properties. In this study we investigated whether and how an innovative bioactive glass composition, called BGMS10, may affect cell adhesion, morphology, proliferation, immunomodulation and osteogenic differentiation of human dental pulp stem cells (hDPSCs). When cultured on BGMS10, hDPSCs maintained their proliferation rate and typical fibroblast-like morphology, showing the expression of stemness markers STRO-1 and c-Kit. Moreover, the expression of FasL, a key molecule in mediating immunomodulation effects of hDPSCs, was maintained. BGMS10 also proved to trigger osteogenic commitment of hDPSCs, as confirmed by the activation of bone-related transcription factors RUNX2 and Osx and the ongoing deposition of extracellular matrix supported by the expression of OPN and OCN. Our findings suggest that BGMS10 not only maintains the typical biological and immunomodulatory properties of hDPSCs but also favors the osteogenic commitment.
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Affiliation(s)
- Rosanna Di Tinco
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Via del Pozzo 71, 41124 Modena, Italy; (R.D.T.); (G.B.); (A.P.); (G.C.)
| | - Rachele Sergi
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy; (R.S.); (D.B.); (V.C.)
| | - Giulia Bertani
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Via del Pozzo 71, 41124 Modena, Italy; (R.D.T.); (G.B.); (A.P.); (G.C.)
| | - Alessandra Pisciotta
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Via del Pozzo 71, 41124 Modena, Italy; (R.D.T.); (G.B.); (A.P.); (G.C.)
| | - Devis Bellucci
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy; (R.S.); (D.B.); (V.C.)
| | - Gianluca Carnevale
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Via del Pozzo 71, 41124 Modena, Italy; (R.D.T.); (G.B.); (A.P.); (G.C.)
| | - Valeria Cannillo
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy; (R.S.); (D.B.); (V.C.)
| | - Laura Bertoni
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Via del Pozzo 71, 41124 Modena, Italy; (R.D.T.); (G.B.); (A.P.); (G.C.)
- Correspondence:
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78
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Mehrabi T, Mesgar AS, Mohammadi Z. Bioactive Glasses: A Promising Therapeutic Ion Release Strategy for Enhancing Wound Healing. ACS Biomater Sci Eng 2020; 6:5399-5430. [PMID: 33320556 DOI: 10.1021/acsbiomaterials.0c00528] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The morbidity, mortality, and burden of burn victims and patients with severe diabetic wounds are still high, which leads to an extensively growing demand for novel treatments with high clinical efficacy. Biomaterial-based wound treatment approaches have progressed over time from simple cotton wool dressings to advanced skin substitutes containing cells and growth factors; however, no wound care approach is yet completely satisfying. Bioactive glasses are materials with potential in many areas that exhibit unique features in biomedical applications. Today, bioactive glasses are not only amorphous solid structures that can be used as a substitute in hard tissue but also are promising materials for soft tissue regeneration and wound healing applications. Biologically active elements such as Ag, B, Ca, Ce, Co, Cu, Ga, Mg, Se, Sr, and Zn can be incorporated in glass networks; hence, the superiority of these multifunctional materials over current materials results from their ability to release multiple therapeutic ions in the wound environment, which target different stages of the wound healing process. Bioactive glasses and their dissolution products have high potency for inducing angiogenesis and exerting several biological impacts on cell functions, which are involved in wound healing and some other features that are valuable in wound healing applications, namely hemostatic and antibacterial properties. In this review, we focus on skin structure, the dynamic process of wound healing in injured skin, and existing wound care approaches. The basic concepts of bioactive glasses are reviewed to better understand the relationship between glass structure and its properties. We illustrate the active role of bioactive glasses in wound repair and regeneration. Finally, research studies that have used bioactive glasses in wound healing applications are summarized and the future trends in this field are elaborated.
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Affiliation(s)
- Tina Mehrabi
- Biomaterials Laboratory, Division of Biomedical Engineering, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 1439957131, Iran
| | - Abdorreza S Mesgar
- Biomaterials Laboratory, Division of Biomedical Engineering, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 1439957131, Iran
| | - Zahra Mohammadi
- Biomaterials Laboratory, Division of Biomedical Engineering, Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran 1439957131, Iran
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79
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Composite Fiber Networks Based on Polycaprolactone and Bioactive Glass-Ceramics for Tissue Engineering Applications. Polymers (Basel) 2020; 12:polym12081806. [PMID: 32806530 PMCID: PMC7463601 DOI: 10.3390/polym12081806] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 07/29/2020] [Accepted: 08/09/2020] [Indexed: 02/01/2023] Open
Abstract
In this work, composite fibers connected in three-dimensional porous scaffolds were fabricated by electrospinning, starting from polycaprolactone and inorganic powders synthesized by the sol-gel method. The aim was to obtain materials dedicated to the field of bone regeneration, with controllable properties of bioresorbability and bioactivity. The employed powders were nanometric and of a glass-ceramic type, a fact that constitutes the premise of a potential attachment to living tissue in the physiological environment. The morphological characterization performed on the composite materials validated both the fibrous character and oxide powder distribution within the polymer matrix. Regarding the biological evaluation, the period of immersion in simulated body fluid led to the initiation of polymer degradation and a slight mineralization of the embedded particles, while the osteoblast cells cultured in the presence of these scaffolds revealed a spatial distribution at different depths and a primary networking tendency, based on the composites’ geometrical and dimensional features.
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80
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Zheng H, Dai Z, Wei J, Li L, Peng H, Yang A, Li H, Lv G. Degradability and biocompatibility of bioglass/poly(amino acid) composites with different surface bioactivity as bone repair materials. J Appl Polym Sci 2020. [DOI: 10.1002/app.49751] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Heng Zheng
- College of Physics Sichuan University Chengdu Sichuan China
| | - Zhenyu Dai
- Department of Orthopaedics Chongqing Traditional Chinese Medicine Hospital Chongqing China
| | - Jie Wei
- Key Laboratory for Ultrafine Materials of Ministry of Education East China University of Science and Technology Shanghai China
| | - Lin Li
- College of Physics Sichuan University Chengdu Sichuan China
| | - Haitao Peng
- College of Physics Sichuan University Chengdu Sichuan China
| | - Aiping Yang
- College of Physics Sichuan University Chengdu Sichuan China
| | - Hong Li
- College of Physics Sichuan University Chengdu Sichuan China
| | - Guoyu Lv
- College of Physics Sichuan University Chengdu Sichuan China
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81
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Mondal D, Zaharia A, Mequanint K, Rizkalla AS. Sol-Gel Derived Tertiary Bioactive Glass-Ceramic Nanorods Prepared via Hydrothermal Process and Their Composites with Poly(Vinylpyrrolidone-Co-Vinylsilane). J Funct Biomater 2020; 11:E35. [PMID: 32492807 PMCID: PMC7353539 DOI: 10.3390/jfb11020035] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 05/16/2020] [Accepted: 05/21/2020] [Indexed: 01/19/2023] Open
Abstract
Bioactive glass (BG) nanoparticles have wide applications in bone repair due to their bone-bonding and biodegradable nature. In this work, nanometric rod-shaped ternary SiO2-CaO-P2O5 bioactive glass particles were prepared through sol-gel chemistry followed by a base-induced hydrothermal process at 130 °C and 170 °C for various times up to 36 h. This facile, low-temperature and surfactant-free hydrothermal process has shown to be capable of producing uniform nanorods and nanowires. One-dimensional growth of nanorods and the characteristics of siloxane bridging networks were dependent on the hydrothermal temperature and time. Hardened bioactive composites were prepared from BG nanorods and cryo-milled poly(vinylpyrrolidone-co-triethoxyvinylsilane) in the presence of ammonium phosphate as potential bone graft biomaterials. Covalent crosslinking has been observed between the organic and inorganic components within these composites. The ultimate compressive strength and modulus values increased with increasing co-polymer content, reaching 27 MPa and 500 MPa respectively with 30% co-polymer incorporation. The materials degraded in a controlled non-linear manner when incubated in phosphate-buffered saline from 6 h to 14 days. Fibroblast cell attachment and spreading on the composite were not as good as the positive control surfaces and suggested that they may require protein coating in order to promote favorable cell interactions.
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Affiliation(s)
- Dibakar Mondal
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada; (D.M.); (K.M.)
- Bone and Joint Institute, The University of Western Ontario, London, ON N6A 5B9, Canada
| | - Andrei Zaharia
- Schulich Dentistry, The University of Western Ontario, London, ON N6A 5B9, Canada;
| | - Kibret Mequanint
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada; (D.M.); (K.M.)
- School of Biomedical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada
| | - Amin S. Rizkalla
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada; (D.M.); (K.M.)
- Bone and Joint Institute, The University of Western Ontario, London, ON N6A 5B9, Canada
- Schulich Dentistry, The University of Western Ontario, London, ON N6A 5B9, Canada;
- School of Biomedical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada
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82
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Kumar P, Kumar V, Kumar R, Kumar R, Pruncu CI. Fabrication and characterization of ZrO 2 incorporated SiO 2-CaO-P 2O 5 bioactive glass scaffolds. J Mech Behav Biomed Mater 2020; 109:103854. [PMID: 32543414 DOI: 10.1016/j.jmbbm.2020.103854] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/08/2020] [Accepted: 05/10/2020] [Indexed: 12/15/2022]
Abstract
Sol-gel chemistry offers a flexible, widely accepted methodology that enables the creation of a new generation of bioactive glass (BG). In the current study, a sol-gel method was used to synthesize ZrO2 incorporated 56SiO2-34CaO-10P2O5 mol% bioactive glass. The highly crystalline structure was composed of small zirconium oxide nanoparticles (ZrO2) of less than 200 nm in size. It was successfully fabricated using a hydrothermal method. Polyurethane foam (PU) was selected to fabricate a highly porous BG-ZrO2 scaffold using a foam replica technique. The physicochemical, morphological properties of the BG-ZrO2 compositions were evaluated using X-ray diffraction (XRD), Fourier transforms infrared (FTIR), thermo-gravimetric analysis (TGA), transmission electron microscope (TEM) and scanning electron microscope (SEM) with energy dispersive spectroscopy (EDS). In-vitro degradation analysis of the BG-ZrO2 scaffolds was performed after immersion of the samples in simulated body fluid (SBF). The incorporation of ZrO2 nanoparticles into the bioactive glass matrix enhances both the mechanical strength and thermal stability. Since the novel formed BG-ZrO2 scaffolds possesses respectable antibacterial properties against some bacterial strains, this renders it an ideal tissue engineering substitute, capable of reducing failure rates in implants.
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Affiliation(s)
- Pawan Kumar
- Department of Materials Science and Nanotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, India.
| | - Vinod Kumar
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar, 125001, India.
| | - Rajnish Kumar
- Department of Mechanical Engineering, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, India.
| | - Ravinder Kumar
- School of Mechanical Engineering, Lovely Professional University, Phagwara, 144411, India.
| | - Catalin I Pruncu
- Mechanical Engineering Department, University of Birmingham, Birmingham, B15 2TT, UK; Mechanical Engineering, Imperial College London, London, SW7 2AZ, UK.
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83
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Cole KA, Funk GA, Rahaman MN, McIff TE. Characterization of the conversion of bone cement and borate bioactive glass composites. J Biomed Mater Res B Appl Biomater 2020; 108:1580-1591. [DOI: 10.1002/jbm.b.34505] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 09/05/2019] [Accepted: 10/06/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Kimberly A. Cole
- Department of Orthopedic SurgeryUniversity of Kansas Medical Center Kansas City Kansas
| | - Grahmm A. Funk
- Department of Orthopedic SurgeryUniversity of Kansas Medical Center Kansas City Kansas
| | - Mohamed N. Rahaman
- Department of Materials Science and EngineeringMissouri University of Science and Technology Rolla Missouri
| | - Terence E. McIff
- Department of Orthopedic SurgeryUniversity of Kansas Medical Center Kansas City Kansas
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84
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A New Customized Bioactive Glass Filler to Functionalize Resin Composites: Acid-Neutralizing Capability, Degree of Conversion, and Apatite Precipitation. J Clin Med 2020; 9:jcm9041173. [PMID: 32325886 PMCID: PMC7230164 DOI: 10.3390/jcm9041173] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 01/19/2023] Open
Abstract
This study introduced an experimental bioactive glass (BG) with a lower Na2O content than conventional BG 45S5 (10.5 wt% vs. 24.5 wt%), additionally containing CaF2 (12 wt%) and a network connectivity similar to that of BG 45S5. A series of experimental composites functionalized with 5-40 wt% of the novel BG was prepared and compared to a corresponding series of experimental composites functionalized with 5-40 wt% of BG 45S5. Commercial acidneutralizing materials (alkasite, giomer, and glass ionomer) were used as references. The capabilities of the materials to neutralize hydrochloric acid (pH = 2.6) and lactic acid (pH = 4.5) were evaluated by real-time pH measurements over 1 h. The degree of conversion and precipitation of calcium phosphate were also investigated. Data were analyzed using one-way and Welch ANOVA at an overall level of significance of 0.05. The acid-neutralizing potential of the experimental BG incorporated into resin composites was generally comparable to that of BG 45S5, and better than that of a giomer and glass ionomer. Fluorine was identified in the precipitate that developed on the composites functionalized with the experimental BG, suggesting a capability of forming fluorapatite. Unlike the 45S5 composition, the experimental BG did not impair the degree of conversion of resin composites. The novel BG filler is therefore an interesting candidate for future investigations of caries-preventive resin composites, and their potential clinical applicability for restorative, preventive, and orthodontic purposes.
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85
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Ahmed MM, Abd-Allah WM, Omar AE, Soliman AAF. The Dual Effect of Copper and Gamma Irradiation on Chronic Wound Healing of Nanobioactive Glass. J Inorg Organomet Polym Mater 2020. [DOI: 10.1007/s10904-020-01501-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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86
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Cole KA, Funk GA, Rahaman MN, McIff TE. Mechanical and degradation properties of poly(methyl methacrylate) cement/borate bioactive glass composites. J Biomed Mater Res B Appl Biomater 2020; 108:2765-2775. [PMID: 32170915 DOI: 10.1002/jbm.b.34606] [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: 01/21/2019] [Revised: 02/06/2020] [Accepted: 03/01/2020] [Indexed: 11/09/2022]
Abstract
Bone cement is used extensively in orthopedics to anchor prostheses to bone and fill voids. Incorporating bioactive glass into poly(methyl methacrylate) (PMMA)-based bone cement could potentially improve its effectiveness for these tasks. This study characterizes the mechanical and degradation properties of composites containing PMMA-based bone cement and particles of borate bioactive glass designated as 13-93B3. Glass particles of size 5, 33, and 100 μm were mixed with PMMA bone cement to create composites containing 20, 30, and 40 wt % glass. Composites and a bone cement control were soaked in phosphate-buffered saline. Compressive strength, Young's modulus, weight loss, water uptake, solution pH, and ionic concentrations were measured over 21 days. The compressive strengths of composites decreased over 21 days. Average Young's moduli of the composites remained below 3 GPa. Weight loss and water uptake of specimens did not exceed 2 and 6%, respectively. Boron concentrations and pH of all solutions increased over time, with higher glass weight fractions leading to higher pH values. Results demonstrated that the composite can sustain glass degradation and ionic release without compromising short-term mechanical strength.
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Affiliation(s)
- Kimberly A Cole
- Department of Orthopedic Surgery, University of Kansas Medical Center, Kansas City, Kansas
| | - Grahmm A Funk
- Department of Orthopedic Surgery, University of Kansas Medical Center, Kansas City, Kansas
| | - Mohamed N Rahaman
- Department of Materials Science and Engineering, Missouri University of Science and Technology, Rolla, Missouri
| | - Terence E McIff
- Department of Orthopedic Surgery, University of Kansas Medical Center, Kansas City, Kansas
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87
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Grishchenko DN, Medkov MA, Papynov EK, Slobodyuk AB, Merkulov EB, Skurikhina YE. Fabrication of B-Containing Glass and Glass-Ceramic Materials via Liquid Organic Phase Pyrolysis. RUSS J INORG CHEM+ 2020. [DOI: 10.1134/s0036023620030055] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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88
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Oosthuysen W, Venter R, Tanwar Y, Ferreira N. Bioactive glass as dead space management following debridement of type 3 chronic osteomyelitis. INTERNATIONAL ORTHOPAEDICS 2020; 44:421-428. [PMID: 31701158 DOI: 10.1007/s00264-019-04442-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 10/21/2019] [Indexed: 01/21/2023]
Abstract
BACKGROUND Chronic osteomyelitis is a challenging condition to treat and although no exact treatment guidelines exist, the surgical management strategy includes wide resection of necrotic and infected bone followed by dead space management. This study evaluates the use of bioactive glass as a single-stage procedure for dead space management following surgical debridement. METHODS A consecutive series of 24 patients with Cierny-Mader type 3 osteomyelitis, treated between March 2016 and June 2018, were identified and evaluated retrospectively. Patients were managed with bioactive glass as dead space management following surgical debridement. RESULTS Of the patients who completed more than 12 months follow-up, all fourteen (100%) showed complete resolution of symptoms. Of the remaining ten patients with less than 12 months follow-up, eight had complete resolution of symptoms. Therefore, a preliminary result of 22 out of 24 patients (91.65%) had resolution of symptoms following debridement and dead space management with bioactive glass. One patient experienced a complication related to the use of bioactive glass. This manifested as prolonged serous wound drainage that resolved with local wound care. CONCLUSION The use of bioactive glass appears to be effective for dead space management following debridement of anatomical type 3 chronic osteomyelitis of the appendicular skeleton.
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Affiliation(s)
- Willem Oosthuysen
- Division of Orthopaedics, Department of Surgical Sciences, Faculty of Medicine and Health Sciences, Tygerberg Hospital, Stellenbosch University, Cape Town, 7505, South Africa
| | - Rudolph Venter
- Division of Orthopaedics, Department of Surgical Sciences, Faculty of Medicine and Health Sciences, Tygerberg Hospital, Stellenbosch University, Cape Town, 7505, South Africa
| | - Yashwant Tanwar
- Division of Orthopaedics, Department of Surgical Sciences, Faculty of Medicine and Health Sciences, Tygerberg Hospital, Stellenbosch University, Cape Town, 7505, South Africa
| | - Nando Ferreira
- Division of Orthopaedics, Department of Surgical Sciences, Faculty of Medicine and Health Sciences, Tygerberg Hospital, Stellenbosch University, Cape Town, 7505, South Africa.
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89
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Xin T, Mao J, Liu L, Tang J, Wu L, Yu X, Gu Y, Cui W, Chen L. Programmed Sustained Release of Recombinant Human Bone Morphogenetic Protein-2 and Inorganic Ion Composite Hydrogel as Artificial Periosteum. ACS APPLIED MATERIALS & INTERFACES 2020; 12:6840-6851. [PMID: 31999085 DOI: 10.1021/acsami.9b18496] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Recombinant human bone morphogenetic protein-2 (rhBMP-2) and bioceramic are the widely used bioactive factors in treatment of bone defects, but these easily cause side effects because of uncontrollable local concentration. In this study, rhBMP-2 was grafted on the surface of mesoporous bioglass nanoparticles (MBGNs) with an amide bond and then photo-cross-linked together with methacrylate gelatin (GelMA); in this way, a GelMA/MBGNs-rhBMP-2 hydrogel membrane was fabricated to release rhBMP-2 in a controllable program during the early bone regeneration period and then release calcium and silicon ions to keep promoting osteogenesis instead of rhBMP-2 in a long term. In this way, rhBMP-2 can keep releasing for 4 weeks and then the ions keep releasing after 4 weeks; this process is matched to early and late osteogenesis procedures. In vitro study demonstrated that the early release of rhBMP-2 can effectively promote local cell osteogenic differentiation in a short period, and then, the inorganic ions can promote cell adhesion not only in the early stage but also keep promoting osteogenic differentiation for a long period. Finally, the GelMA/MBGNs-rhBMP-2 hydrogel shows a superior capacity in long-term osteogenesis and promoting bone tissue regeneration in rat calvarial critical size defect. This GelMA/MBGNs-rhBMP-2 hydrogel demonstrated a promising strategy for the controllable and safer use of bioactive factors such as rhBMP-2 in artificial periosteum to accelerate bone repairing.
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Affiliation(s)
- Tianwen Xin
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute , Soochow University , Suzhou , Jiangsu 215007 , P. R. China
| | - Jiannan Mao
- Department of Orthopedics , The Affiliated Jiangyin Hospital of Southeast University Medical College , 163 Shoushan Road , Jiang Yin 214400 , China
| | - Lili Liu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute , Soochow University , Suzhou , Jiangsu 215007 , P. R. China
| | - Jincheng Tang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute , Soochow University , Suzhou , Jiangsu 215007 , P. R. China
| | - Liang Wu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute , Soochow University , Suzhou , Jiangsu 215007 , P. R. China
| | - Xiaohua Yu
- Shanghai Institute of Traumatology and Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Ruijin Hospital , Shanghai Jiao Tong University School of Medicine , 197 Ruijin 2nd Road , Shanghai 200025 , P. R. China
| | - Yong Gu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute , Soochow University , Suzhou , Jiangsu 215007 , P. R. China
| | - Wenguo Cui
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute , Soochow University , Suzhou , Jiangsu 215007 , P. R. China
- Shanghai Institute of Traumatology and Orthopedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Ruijin Hospital , Shanghai Jiao Tong University School of Medicine , 197 Ruijin 2nd Road , Shanghai 200025 , P. R. China
| | - Liang Chen
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute , Soochow University , Suzhou , Jiangsu 215007 , P. R. China
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90
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Zhu L, Luo D, Liu Y. Effect of the nano/microscale structure of biomaterial scaffolds on bone regeneration. Int J Oral Sci 2020; 12:6. [PMID: 32024822 PMCID: PMC7002518 DOI: 10.1038/s41368-020-0073-y] [Citation(s) in RCA: 191] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 12/15/2019] [Accepted: 12/18/2019] [Indexed: 01/12/2023] Open
Abstract
Natural bone is a mineralized biological material, which serves a supportive and protective framework for the body, stores minerals for metabolism, and produces blood cells nourishing the body. Normally, bone has an innate capacity to heal from damage. However, massive bone defects due to traumatic injury, tumor resection, or congenital diseases pose a great challenge to reconstructive surgery. Scaffold-based tissue engineering (TE) is a promising strategy for bone regenerative medicine, because biomaterial scaffolds show advanced mechanical properties and a good degradation profile, as well as the feasibility of controlled release of growth and differentiation factors or immobilizing them on the material surface. Additionally, the defined structure of biomaterial scaffolds, as a kind of mechanical cue, can influence cell behaviors, modulate local microenvironment and control key features at the molecular and cellular levels. Recently, nano/micro-assisted regenerative medicine becomes a promising application of TE for the reconstruction of bone defects. For this reason, it is necessary for us to have in-depth knowledge of the development of novel nano/micro-based biomaterial scaffolds. Thus, we herein review the hierarchical structure of bone, and the potential application of nano/micro technologies to guide the design of novel biomaterial structures for bone repair and regeneration.
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Affiliation(s)
- Lisha Zhu
- Laboratory of Biomimetic Nanomaterials, Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing, China
| | - Dan Luo
- State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, Beijing Key Laboratory of Biogas Upgrading Utilization, China University of Petroleum (Beijing), Beijing, China
| | - Yan Liu
- Laboratory of Biomimetic Nanomaterials, Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing, China.
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91
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Busch A, Wegner A, Haversath M, Jäger M. Bone Substitutes in Orthopaedic Surgery: Current Status and Future Perspectives. ZEITSCHRIFT FUR ORTHOPADIE UND UNFALLCHIRURGIE 2020; 159:304-313. [PMID: 32023626 DOI: 10.1055/a-1073-8473] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Bone replacement materials have been successfully supplied for a long time. But there are cases, especially in critical sized bone defects, in which the therapy is not sufficient. Nowadays, there are multiple bone substitutes available. Autologous bone grafts remain the "gold standard" in bone regeneration. Yet, donor-site morbidity and the available amount of sufficient material are limitations for autologous bone grafting. This study aimed to provide information about the current status in research regarding bone substitutes. We report on the advantages and drawbacks of several bone substitutes. At the end, we discuss the current developments of combining ceramic substitutes with osteoinductive substances.
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Affiliation(s)
- André Busch
- Department of Orthopaedics, Trauma and Reconstructive Surgery, Marienhospital Mülheim an der Ruhr, Chair of Orthopaedics and Trauma Surgery, University of Duisburg-Essen, Germany
| | - Alexander Wegner
- Department of Orthopaedics, Trauma and Reconstructive Surgery, Marienhospital Mülheim an der Ruhr, Chair of Orthopaedics and Trauma Surgery, University of Duisburg-Essen, Germany
| | - Marcel Haversath
- Department of Orthopaedics, Trauma and Reconstructive Surgery, Marienhospital Mülheim an der Ruhr, Chair of Orthopaedics and Trauma Surgery, University of Duisburg-Essen, Germany
| | - Marcus Jäger
- Department of Orthopaedics, Trauma and Reconstructive Surgery, Marienhospital Mülheim an der Ruhr, Chair of Orthopaedics and Trauma Surgery, University of Duisburg-Essen, Germany
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92
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Shafaghi R, Rodriguez O, Phull S, Schemitsch EH, Zalzal P, Waldman SD, Papini M, Towler MR. Effect of TiO2 doping on degradation rate, microstructure and strength of borate bioactive glass scaffolds. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 107:110351. [DOI: 10.1016/j.msec.2019.110351] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 10/16/2019] [Accepted: 10/20/2019] [Indexed: 12/15/2022]
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93
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Thyparambil NJ, Gutgesell LC, Hurley CC, Flowers LE, Day DE, Semon JA. Adult stem cell response to doped bioactive borate glass. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2020; 31:13. [PMID: 31965357 DOI: 10.1007/s10856-019-6353-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 12/21/2019] [Indexed: 06/10/2023]
Abstract
Bioactive glasses have transformed healthcare due to their versatility. Bioactive borate glass, in particular, has shown remarkable healing properties for both hard and soft tissues. Incorporating dopants into the composition of bioactive glass helps to control mechanical properties, and it increases their usefulness for clinical applications. Using a bioactive borate glass, 13-93B3 (B3), we investigated eleven dopants on the viability and migration potential of adipose stem cells (ASCs), a therapeutic source of cells used in tissue engineering and cell therapy. Our results show that under standard cell culture conditions, only Cu-doped B3 decreased cell viability, while only Y-doped B3 attracted ASCs as it dissolved in cell culture media. Using a transwell invasion assay, priming ASCs with Co, Fe, Ga, I, Sr, or Zn-doped B3 increased their homing capacity. Because there is widespread interest in optimizing and enhancing the homing efficiency of ASCs and other therapeutic cells, we then tested if priming bone marrow mesenchymal stem cells (BMSCs) with dopants also increased their homing capacity. In the case of BMSCs, there was a significant increase in invasion when cells were primed with any of the doped-B3 glasses. This work shows that incorporating dopants into borate glasses can provide a platform for a safe and efficient method that stimulates endogenous cells and healing mechanisms.
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Affiliation(s)
- Nathan J Thyparambil
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA
| | - Lisa C Gutgesell
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA
| | - Cassandra C Hurley
- Department of Material Science and Engineering, Missouri University of Science and Technology, Rolla, MO, USA
| | - Lauren E Flowers
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA
| | - Delbert E Day
- Department of Material Science and Engineering, Missouri University of Science and Technology, Rolla, MO, USA
- Center for Biomedical Science and Engineering, Missouri University of Science and Technology, Rolla, MO, USA
| | - Julie A Semon
- Department of Biological Sciences, Missouri University of Science and Technology, Rolla, MO, USA.
- Center for Biomedical Science and Engineering, Missouri University of Science and Technology, Rolla, MO, USA.
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94
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Ferraris S, Yamaguchi S, Barbani N, Cazzola M, Cristallini C, Miola M, Vernè E, Spriano S. Bioactive materials: In vitro investigation of different mechanisms of hydroxyapatite precipitation. Acta Biomater 2020; 102:468-480. [PMID: 31734414 DOI: 10.1016/j.actbio.2019.11.024] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/31/2019] [Accepted: 11/11/2019] [Indexed: 01/06/2023]
Abstract
Bioactive materials, able to induce hydroxyapatite precipitation in contact with body fluids, are of great interest for their bone bonding capacity. . The aim of this paper is to compare bioactive materials with different surface features to verify the mechanisms of action and the relationship with kinetics and type of precipitated hydroxyapatite over time. Four different surface treatments for Ti/Ti6Al4V alloy and a bioactive glass were selected and a different mechanism of bioactivity is supposed for each of them. Apart from the conventional techniques (FESEM, XPS and EDX), less common characterizations (zeta potential measurements on solid surfaces and FTIR chemical imaging) were applied. The results suggest that the OH groups on the surface have several effects: the total number of the OH groups mainly affects hydrophilicity of surfaces, while the isoelectric points, surface charge and ions attraction mainly depend on OH acidic/basic strength. Kinetics of hydroxyapatite precipitation is faster when it involves a mechanism of ion exchange while it is slower when it is due to electrostatic effects . The electrostatic effect cooperates with ion exchange and it speeds up kinetics of hydroxyapatite precipitation. Different bioactive surfaces are able to differently induce precipitation of type A and B of hydroxyapatite, as well as different degrees of crystallinity and carbonation. STATEMENT OF SIGNIFICANCE: The bone is made of a ceramic phase (a specific type of hydroxyapatite), a network of collagen fibers and the biological tissue. A strong bond of an orthopedic or dental implant with the bone is achieved by bioactive materials where precipitation and growth of hydroxyapatite occurs on the implant surface starting from the ions in the physiological fluids. Several bioactive materials are already known and used, but their mechanism of action is not completely known and the type of precipitated hydroxyapatite not fully investigated. In this work, bioactive titanium and bioglass surfaces are compared through conventional and innovative methodologies. Different mechanisms of bioactivity are identified, with different kinetics and the materials are able to induce precipitation of different types of hydroxyapatite, with different degree of crystallinity and carbonation.
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Affiliation(s)
- S Ferraris
- Politecnico di Torino, Corso Duca degli Abruzzi 24, Corso Duca degli Abruzzi 24, 10129 Torino Italy
| | - S Yamaguchi
- Chubu University, 1200 Matsumoto cho, Kasugai Japan
| | - N Barbani
- University of Pisa, DICI - Largo Lucio Lazzarino 1, 56126 Pisa Italy
| | - M Cazzola
- Politecnico di Torino, Corso Duca degli Abruzzi 24, Corso Duca degli Abruzzi 24, 10129 Torino Italy
| | - C Cristallini
- CNR, IPCF - Largo Lucio Lazzarino 1, 56126 Pisa Italy
| | - M Miola
- Politecnico di Torino, Corso Duca degli Abruzzi 24, Corso Duca degli Abruzzi 24, 10129 Torino Italy
| | - E Vernè
- Politecnico di Torino, Corso Duca degli Abruzzi 24, Corso Duca degli Abruzzi 24, 10129 Torino Italy
| | - S Spriano
- Politecnico di Torino, Corso Duca degli Abruzzi 24, Corso Duca degli Abruzzi 24, 10129 Torino Italy.
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95
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Deshmukh K, Kovářík T, Křenek T, Docheva D, Stich T, Pola J. Recent advances and future perspectives of sol–gel derived porous bioactive glasses: a review. RSC Adv 2020; 10:33782-33835. [PMID: 35519068 PMCID: PMC9056785 DOI: 10.1039/d0ra04287k] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 09/02/2020] [Indexed: 12/22/2022] Open
Abstract
Sol–gel derived bioactive glasses have been extensively explored as a promising and highly porous scaffold materials for bone tissue regeneration applications owing to their exceptional osteoconductivity, osteostimulation and degradation rates.
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Affiliation(s)
- Kalim Deshmukh
- New Technologies – Research Center
- University of West Bohemia
- Plzeň
- Czech Republic
| | - Tomáš Kovářík
- New Technologies – Research Center
- University of West Bohemia
- Plzeň
- Czech Republic
| | - Tomáš Křenek
- New Technologies – Research Center
- University of West Bohemia
- Plzeň
- Czech Republic
| | - Denitsa Docheva
- Experimental Trauma Surgery
- Department of Trauma Surgery
- University Regensburg Medical Centre
- Regensburg
- Germany
| | - Theresia Stich
- Experimental Trauma Surgery
- Department of Trauma Surgery
- University Regensburg Medical Centre
- Regensburg
- Germany
| | - Josef Pola
- New Technologies – Research Center
- University of West Bohemia
- Plzeň
- Czech Republic
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96
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Abstract
Fracture-related infection (FRI) remains a challenging complication that imposes a heavy burden on orthopaedic trauma patients. The surgical management eradicates the local infectious focus and if necessary facilitates bone healing. Treatment success is associated with debridement of all dead and poorly vascularized tissue. However, debridement is often associated with the formation of a dead space, which provides an ideal environment for bacteria and is a potential site for recurrent infection. Dead space management is therefore of critical importance. For this reason, the use of locally delivered antimicrobials has gained attention not only for local antimicrobial activity but also for dead space management. Local antimicrobial therapy has been widely studied in periprosthetic joint infection, without addressing the specific problems of FRI. Furthermore, the literature presents a wide array of methods and guidelines with respect to the use of local antimicrobials. The present review describes the scientific evidence related to dead space management with a focus on the currently available local antimicrobial strategies in the management of FRI. LEVEL OF EVIDENCE:: Therapeutic Level V. See Instructions for Authors for a complete description of levels of evidence.
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97
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Yamada T, Kitamura T, Morita Y, Mizuno M, Yubuta K, Teshima K. Growth of dispersed hydroxyapatite crystals highly intertwined with TEMPO-oxidized cellulose nanofiber. CrystEngComm 2020. [DOI: 10.1039/d0ce00740d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydroxyapatite was grown with TEMPO-oxidized cellulose nanofiber as gel template, providing a highly intertwined, dispersed crystalline composite among the fibers.
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Affiliation(s)
- Tetsuya Yamada
- Research Initiative for Supra-Materials
- Shinshu University
- Nagano 380-8553
- Japan
| | | | - Yuko Morita
- R&D Headquarters
- DKS Co. Ltd
- Kyoto 601-8391
- Japan
| | - Masahiro Mizuno
- Department of Materials Chemistry
- Faculty of Engineering
- Shinshu University
- Nagano 380-8553
- Japan
| | - Kunio Yubuta
- Institute for Materials Research
- Tohoku University
- Sendai 980-8577
- Japan
| | - Katsuya Teshima
- Research Initiative for Supra-Materials
- Shinshu University
- Nagano 380-8553
- Japan
- Department of Materials Chemistry
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98
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99
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Wilkesmann S, Fellenberg J, Nawaz Q, Reible B, Moghaddam A, Boccaccini AR, Westhauser F. Primary osteoblasts, osteoblast precursor cells or osteoblast‐like cell lines: Which human cell types are (most) suitable for characterizing 45S5‐bioactive glass? J Biomed Mater Res A 2019; 108:663-674. [DOI: 10.1002/jbm.a.36846] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 11/12/2019] [Accepted: 11/15/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Sebastian Wilkesmann
- Center of Orthopedics, Traumatology, and Spinal Cord Injury Heidelberg University Hospital Heidelberg Germany
| | - Jörg Fellenberg
- Center of Orthopedics, Traumatology, and Spinal Cord Injury Heidelberg University Hospital Heidelberg Germany
| | - Qaisar Nawaz
- Institute of Biomaterials University of Erlangen‐Nuremberg Erlangen Germany
| | - Bruno Reible
- Center of Orthopedics, Traumatology, and Spinal Cord Injury Heidelberg University Hospital Heidelberg Germany
| | - Arash Moghaddam
- ATORG—Aschaffenburg Trauma and Orthopedic Research Group, Center for Trauma Surgery, Orthopedics, and Sports Medicine Klinikum Aschaffenburg‐Alzenau Aschaffenburg Germany
| | - Aldo R. Boccaccini
- Institute of Biomaterials University of Erlangen‐Nuremberg Erlangen Germany
| | - Fabian Westhauser
- Center of Orthopedics, Traumatology, and Spinal Cord Injury Heidelberg University Hospital Heidelberg Germany
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100
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Lu X, Kolzow J, Chen RR, Du J. Effect of solution condition on hydroxyapatite formation in evaluating bioactivity of B 2O 3 containing 45S5 bioactive glasses. Bioact Mater 2019; 4:207-214. [PMID: 31198889 PMCID: PMC6555879 DOI: 10.1016/j.bioactmat.2019.05.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 05/29/2019] [Accepted: 05/31/2019] [Indexed: 11/28/2022] Open
Abstract
The effects of testing solutions and conditions on hydroxyapatite (HAp) formation as a means of in vitro bioactivity evaluation of B2O3 containing 45S5 bioactive glasses were systematically investigated. Four glass samples prepared by the traditional melt and quench process, where SiO2 in 45S5 was gradually replaced by B2O3 (up to 30%), were studied. Two solutions: the simulated body fluid (SBF) and K2HPO4 solutions were used as the medium for evaluating in vitro bioactivity through the formation of HAp on glass surface as a function of time. It was found that addition of boron oxide delayed the HAp formation in both SBF and K2HPO4 solutions, while the reaction between glass and the K2HPO4 solution is much faster as compared to SBF. In addition to the composition and medium effects, we also studied whether the solution treatments (e.g., adjusting to maintain a pH of 7.4, refreshing solution at certain time interval, and no disturbance during immersion) affect HAp formation. Fourier transform infrared spectrometer (FTIR) equipped with an attenuated total reflection (ATR) sampling technique and scanning electron microscopy (SEM) were conducted to identify HAp formation on glass powder surfaces and to observe HAp morphologies, respectively. The results show that refreshing solution every 24 h produced the fastest HAp formation for low boron-containing samples when SBF was used as testing solution, while no significant differences were observed when K2HPO4 solution was used. This study thus suggests the testing solutions and conditions play an important role on the in vitro bioactivity testing results and should be carefully considered when study materials with varying bioactivities.
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Affiliation(s)
| | | | | | - Jincheng Du
- Department of Materials Science and Engineering, University of North Texas, Denton, TX, 76203, USA
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