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Ege D, Zheng K, Boccaccini AR. Borate Bioactive Glasses (BBG): Bone Regeneration, Wound Healing Applications, and Future Directions. ACS APPLIED BIO MATERIALS 2022; 5:3608-3622. [PMID: 35816417 PMCID: PMC9382634 DOI: 10.1021/acsabm.2c00384] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Since the early 2000s, borate bioactive glasses (BBGs) have been extensively investigated for biomedical applications. The research so far indicates that BBGs frequently exhibit superior bioactivity and bone healing capacity compared to silicate glasses. They are also suitable candidates as drug delivery devices for infection or disease treatment such as osteoporosis. Additionally, BBGs are also an excellent option for wound healing applications, which includes the availability of commercial (FDA approved) microfibrous BBG dressings to treat chronic wounds. By addition of modifying ions, the bone or wound healing capacity of BBGs can be enhanced. For instance, addition of copper ions into BBGs was shown to drastically increase blood vessel formation for wound healing applications. Moreover, addition of ions such as magnesium, strontium, and cobalt improves bone healing. Other recent research interest related to BBGs is focused on nerve and muscle regeneration applications, while cartilage regeneration is also suggested as a potential application field for BBGs. BBGs are commonly produced by melt-quenching; however, sol-gel processing of BBGs is emerging and appears to be a promising alternative. In this review paper, the physical and biological characteristics of BBGs are analyzed based on the available literature, the applications of BBGs are discussed, and future research directions are suggested.
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Affiliation(s)
- Duygu Ege
- Institute of Biomedical Engineering, Bogazici University, Rasathane Street, Kandilli 34684, Istanbul, Turkey.,Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Kai Zheng
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing 210029, China
| | - Aldo R Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
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202
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Placek LM, Keenan TJ, Coughlan A, Wren AW. Synthesis, Processing and the Effect of Thermal Treatment on the Solubility, Antioxidant Potential and Cytocompatibility of Y2O3 and CeO2 doped SiO2-SrO-Na2O Glass-Ceramics. J Biomater Appl 2022; 37:102-117. [PMID: 35442110 DOI: 10.1177/08853282221078448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Thermal treatment of a 0.52SiO2-0.24SrO-0.24-xNa2O-xMO glass-ceramic series (where x = 0.08 and MO = Y2O3 or CeO2) was conducted in order to synthesize yttrium (Y3+) and cerium (Ce3+) crystalline species that may act as radical oxygen specie (ROS) scavengers. The prominent phase for the Control is a sodium-strontium-silicate while the experimental glass-ceramics (HY, YCe, and HCe) present sodium-Y/Ce-silicate and oxide phases. Disk shrinkage during thermal processing ranges from 1-7% for Control, HY, YCe, and HCe in both diameter and thickness. Solubility studies determined that the release of Si4+ and Na+ are greatest from the Control disks which peaks at 1550 µg/mL. Release from the Y3+ and Ce3+ glass-ceramics reached 320 µg/mL for Si4+ and 630 µg/mL for Na+. The range of antioxidant capacity (ABTS assay) for all samples was 0.31-3.9 mMTE. No significant reduction in MC 3T3 Osteoblast cell viability was observed for any composition tested.
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Affiliation(s)
- Lana M Placek
- Inamori School of Engineering, 1132Alfred University, Alfred, NY, USA
| | - Timothy J Keenan
- Inamori School of Engineering, 1132Alfred University, Alfred, NY, USA
| | - Aisling Coughlan
- Department of Bioengineering, University of Toledo, Toledo, OH, USA
| | - Anthony W Wren
- Inamori School of Engineering, 1132Alfred University, Alfred, NY, USA
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203
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Qin C, Wu C. Inorganic biomaterials‐based bioinks for three‐dimensional bioprinting of regenerative scaffolds. VIEW 2022. [DOI: 10.1002/viw.20210018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Chen Qin
- 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
| | - Chengtie Wu
- 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
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204
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Kim HJ, Kim SJ, Yang HC, Eun HC, Lee K, Lee JH. Fabrication of for capturing carbon dioxide under mild conditions. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.102001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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205
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A Review on the Recent Advancements on Therapeutic Effects of Ions in the Physiological Environments. PROSTHESIS 2022. [DOI: 10.3390/prosthesis4020026] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
This review focuses on the therapeutic effects of ions when released in physiological environments. Recent studies have shown that metallic ions like Ag+, Sr2+, Mg2+, Mn2+, Cu2+, Ca2+, P+5, etc., have shown promising results in drug delivery systems and regenerative medicine. These metallic ions can be loaded in nanoparticles, mesoporous bioactive glass nanoparticles (MBGNs), hydroxyapatite (HA), calcium phosphates, polymeric coatings, and salt solutions. The metallic ions can exhibit different functions in the physiological environment such as antibacterial, antiviral, anticancer, bioactive, biocompatible, and angiogenic effects. Furthermore, the metals/metalloid ions can be loaded into scaffolds to improve osteoblast proliferation, differentiation, bone development, fibroblast growth, and improved wound healing efficacy. Moreover, different ions possess different therapeutic limits. Therefore, further mechanisms need to be developed for the highly controlled and sustained release of these ions. This review paper summarizes the recent progress in the use of metallic/metalloid ions in regenerative medicine and encourages further study of ions as a solution to cure diseases.
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206
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Vergnaud F, Kesse X, Jacobs A, Perton F, Begin-Colin S, Mertz D, Descamps S, Vichery C, Nedelec JM. Magnetic bioactive glass nano-heterostructures: a deeper insight into magnetic hyperthermia properties in the scope of bone cancer treatment. Biomater Sci 2022; 10:3993-4007. [PMID: 35723414 DOI: 10.1039/d2bm00319h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Primary bone cancers commonly involve surgery to remove the malignant tumor, complemented with a postoperative treatment to prevent cancer resurgence. Studies on magnetic hyperthermia, used as a single treatment or in synergy with chemo- or radiotherapy, have shown remarkable success in the past few decades. Multifunctional biomaterials with bone healing ability coupled with hyperthermia property could thus be of great interest to repair critical bone defects resulting from tumor resection. For this purpose, we designed superparamagnetic and bioactive nanoparticles (NPs) based on iron oxide cores (γ-Fe2O3) encapsulated in a bioactive glass (SiO2-CaO) shell. Nanometric heterostructures (122 ± 12 nm) were obtained through a two-step process: co-precipitation of 16 nm sized iron oxide NPs, followed by the growth of a bioactive glass shell via a modified Stöber method. Their bioactivity was confirmed by hydroxyapatite growth in simulated body fluid, and cytotoxicity assays showed they induced no significant death of human mesenchymal stem cells after 7 days. Calorimetric measurements were carried out under a wide range of alternating magnetic field amplitudes and frequencies, considering clinically relevant parameters, and some were made in viscous medium (agar) to mimic the implantation conditions. The experimental specific loss power was predictable with respect to the Linear Response Theory, and showed a maximal value of 767 ± 77 W gFe-1 (769 kHz, 23.9 kA m-1 in water). An interesting value of 166 ± 24 W gFe-1 was obtained under clinically relevant conditions (157 kHz, 23.9 kA m-1) for the heterostructures immobilized in agar. The good biocompatibility, bioactivity and heating ability suggest that these γ-Fe2O3@SiO2-CaO NPs are a promising biomaterial to be used as it is or included in a scaffold to heal bone defects resulting from bone tumor resection.
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Affiliation(s)
- Florestan Vergnaud
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, ICCF, F-63000 Clermont-Ferrand, France.
| | - Xavier Kesse
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, ICCF, F-63000 Clermont-Ferrand, France.
| | - Aurélie Jacobs
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, ICCF, F-63000 Clermont-Ferrand, France.
| | - Francis Perton
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR-7504 CNRS-Université de Strasbourg, Strasbourg 67034 Cedex 2, France
| | - Sylvie Begin-Colin
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR-7504 CNRS-Université de Strasbourg, Strasbourg 67034 Cedex 2, France
| | - Damien Mertz
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR-7504 CNRS-Université de Strasbourg, Strasbourg 67034 Cedex 2, France
| | - Stéphane Descamps
- Université Clermont Auvergne, Clermont Auvergne INP, CHU de Clermont-Ferrand, CNRS, ICCF, F-63000 Clermont-Ferrand, France
| | - Charlotte Vichery
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, ICCF, F-63000 Clermont-Ferrand, France.
| | - Jean-Marie Nedelec
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, ICCF, F-63000 Clermont-Ferrand, France.
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207
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Manoochehri H, Ghorbani M, Moosazadeh Moghaddam M, Nourani MR, Makvandi P, Sharifi E. Strontium doped bioglass incorporated hydrogel-based scaffold for amplified bone tissue regeneration. Sci Rep 2022; 12:10160. [PMID: 35715472 PMCID: PMC9205926 DOI: 10.1038/s41598-022-14329-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/06/2022] [Indexed: 11/27/2022] Open
Abstract
Repairing of large bone injuries is an important problem in bone regeneration field. Thus, developing new therapeutic approaches such as tissue engineering using 3D scaffolds is necessary. Incorporation of some bioactive materials and trace elements can improve scaffold properties. We made chitosan/alginate/strontium-doped bioglass composite scaffolds with optimized properties for bone tissue engineering. Bioglass (BG) and Sr-doped bioglasses (Sr-BG) were synthesized using Sol–Gel method. Alginate-Chitosan (Alg/Cs) scaffold and scaffolds containing different ratio (10%, 20% and 30%) of BG (Alg/Cs/BG10, 20, 30) or Sr-BG (Alg/Cs/Sr-BG10, 20, 30) were fabricated using freeze drying method. Characterization of bioglasses/scaffolds was done using zeta sizer, FTIR, XRD, (FE) SEM and EDS. Also, mechanical strength, antibacterial effect degradation and swelling profile of scaffolds were evaluated. Bone differentiation efficiency and viability of MSCs on scaffolds were determined by Alizarin Red, ALP and MTT methods. Cell toxicity and antibacterial effect of bioglasses were determined using MTT, MIC and MBC methods. Incorporation of BG into Alg/Cs scaffolds amplified biomineralization and mechanical properties along with improved swelling ratio, degradation profile and cell differentiation. Mechanical strength and cell differentiation efficiency of Alg/Cs/BG20 scaffold was considerably higher than scaffolds with lower or higher BG concentrations. Alg/Cs/Sr-BG scaffolds had higher mechanical stability and more differentiation efficiency in comparison with Alg/Cs and Alg/Cs/BG scaffolds. Also, Mechanical strength and cell differentiation efficiency of Alg/Cs/Sr-BG20 scaffold was considerably higher than scaffolds with various Sr-BG concentrations. Biomineralization of Alg/Cs/BG scaffolds slightly was higher than Alg/Cs/Sr-BG scaffolds. Overall, we concluded that Alg/Cs/Sr-BG20 scaffolds are more suitable for repairing bone major injuries.
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Affiliation(s)
- Hamed Manoochehri
- Student Research Committee, Baqiyatallah University of Medical Sciences, Tehran, Iran.,Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Masoud Ghorbani
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | | | - Mohammad Reza Nourani
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Pooyan Makvandi
- Center for Materials Interfaces, Istituto Italiano di Tecnologia, 56025, Pontedera, Pisa, Italy
| | - Esmaeel Sharifi
- Research Center for Molecular Medicine, Hamadan University of Medical Sciences, Hamadan, Iran. .,Department of Tissue Engineering and Biomaterials, School of Advanced Medical Sciences and Technologies, Hamadan University of Medical Sciences, Hamadan, Iran.
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208
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Canales DA, Reyes F, Saavedra M, Peponi L, Leonés A, Palza H, Boccaccini AR, Grünewald A, Zapata PA. Electrospun fibers of poly (lactic acid) containing bioactive glass and magnesium oxide nanoparticles for bone tissue regeneration. Int J Biol Macromol 2022; 210:324-336. [PMID: 35545139 DOI: 10.1016/j.ijbiomac.2022.05.047] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 05/02/2022] [Accepted: 05/06/2022] [Indexed: 11/17/2022]
Abstract
Electrospun fibers of poly (lactic acid) (PLA) containing 10 and 20 wt% of bioactive glass (n-BG) and magnesium oxide (n-MgO) nanoparticles of ca. 27 and 23 nm respectively, were prepared toward to application in bone tissue engineering. The addition of both nanoparticles into the PLA will produce a synergic effect increasing its bioactivity and antimicrobial behavior. Neat PLA scaffold and the composites with MgO showed an average fiber diameter of 1.7 ± 0.6 μm, PLA/n-BG and PLA/n-BG/n-MgO fibers presented a significant diameter increase reaching values of ca. 3.1 ± 0.8 μm. Young's modulus of the electrospun scaffolds was affected by the direct presence of the particle and scaffold morphologies. All the composites having n-BG presented bioactivity through the precipitation of hydroxyapatite structures on the surface. Although n-MgO did not add bioactivity to the PLA fibers, they were able to render antimicrobial characteristics reducing the S. aureus viability around 30%, although an effect on E. coli strain was not observed. PLA/n-BG nanocomposites did not display any significant antimicrobial behavior. The different composites increased the alkaline phosphatase (ALP) expression as compared with pure PLA barely affecting the cell viability, meaning a good osteoblastic phenotype expression capacity, with PLA/n-BG presenting the highest osteoblastic expression.
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Affiliation(s)
- Daniel A Canales
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile
| | - Felipe Reyes
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile
| | - Marcela Saavedra
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile
| | - Laura Peponi
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), Madrid, Spain
| | - Adrián Leonés
- Instituto de Ciencia y Tecnología de Polímeros (ICTP-CSIC), Madrid, Spain
| | - Humberto Palza
- Departamento de Ingeniería Química y Biotecnología, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Chile
| | - Aldo R Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany; Bavarian Polymer Institute, 91058 Erlangen, Germany
| | - Alina Grünewald
- Department of Materials Science and Engineering, Institute of Biomaterials, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Paula A Zapata
- Grupo Polímeros, Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile.
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209
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Desbord M, Soulié J, Rey C, Combes C. Tunable Behavior in Solution of Amorphous Calcium Ortho/Pyrophosphate Materials: An Acellular In Vitro Study. ACS Biomater Sci Eng 2022; 8:2363-2374. [PMID: 35533345 DOI: 10.1021/acsbiomaterials.1c01618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Amorphous calcium phosphate-based materials are of major interest in the field of bone substitution. Very recently, the low-temperature synthesis of a new family of amorphous calcium phosphate containing both orthophosphate and pyrophosphate ions in controlled proportions has been reported. Despite their interest, especially due to the biochemical role and the hydrolysis of pyrophosphate occurring in vivo, the behavior of such materials when interacting with aqueous media has never been described. Consequently, we herein report the in vitro acellular evolution of three compositions of mixed calcium ortho- and pyrophosphate amorphous materials including a different orthophosphate proportion. As a first step to assess the physicochemical reactivity of these amorphous materials, they were tested in two different media at 37 °C, acidified water and simulated body fluid solution, from 1 h up to 15 days. The results demonstrated that they were quite stable and that they progressively released part of their constitutive ions, highlighting their potential for controlled delivery of bioactive ions (calcium, orthophosphate, and pyrophosphate ions). In addition to these properties, we showed that the material with the highest ortho/(ortho + pyro) phosphate ratio started to crystallize into nanocrystalline apatite analogous to bone mineral within 2 days or 2 weeks depending on the medium. For the other material compositions, no layer of apatite was detected at their surface with SBF testing despite the favorable supersaturation indexes, crystallization being probably inhibited by pyrophosphate ions released in the medium. This varying apatite-forming ability emphasizes the key role of the ortho/(ortho + pyro) phosphate ratio of these materials in their in vitro reactivity and bioactivity, which paves the way for the development of this promising family of amorphous calcium phosphate materials with tunable physicochemical and biological properties.
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Affiliation(s)
- Maximilien Desbord
- CIRIMAT, Université de Toulouse, CNRS, Toulouse INP- ENSIACET, 4 allée Emile Monso, 31030 Toulouse cedex 4, France
| | - Jérémy Soulié
- CIRIMAT, Université de Toulouse, CNRS, Toulouse INP- ENSIACET, 4 allée Emile Monso, 31030 Toulouse cedex 4, France
| | - Christian Rey
- CIRIMAT, Université de Toulouse, CNRS, Toulouse INP- ENSIACET, 4 allée Emile Monso, 31030 Toulouse cedex 4, France
| | - Christèle Combes
- CIRIMAT, Université de Toulouse, CNRS, Toulouse INP- ENSIACET, 4 allée Emile Monso, 31030 Toulouse cedex 4, France
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210
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Nagrath M, Bince D, Rowsell C, Polintan D, Rezende-Neto J, Towler M. Porcine liver injury model to assess tantalum-containing bioactive glass powders for hemostasis. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2022; 33:53. [PMID: 35670885 PMCID: PMC9174136 DOI: 10.1007/s10856-022-06674-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 05/18/2022] [Indexed: 06/15/2023]
Abstract
This study evaluates compositions of tantalum-containing mesoporous bioactive glass (Ta-MBG) powders using a porcine fatal liver injury model. The powders based on (80-x)SiO2-15CaO-5P2O5-xTa2O5 compositions with x = 0 (0Ta/Ta-free), 1 (1Ta), and 5 (5Ta) mol% were made using a sol-gel process. A class IV hemorrhage condition was simulated on the animals; hemodynamic data and biochemical analysis confirmed the life-threatening condition. Ta-MBGs were able to stop the bleeding within 10 min of their application while the bleeds in the absence of any intervention or in the presence of a commercial agent, AristaTM (Bard Davol Inc., Rhode Island, USA) continued for up to 45 min. Scanning electron microscopy (SEM) imaging of the blood clots showed that the presence of Ta-MBGs did not affect clot morphology. Rather, the connections seen between fibrin fibers of the blood clot and Ta-MBG powders point towards the powders' surfaces embracing fibrin. Histopathological analysis of the liver tissue showed 5Ta as the only composition reducing parenchymal hemorrhage and necrosis extent of the tissue after their application. Additionally, 5Ta was also able to form an adherent clot in worst-case scenario bleeding where no adherent clot was seen before the powder was applied. In vivo results from the present study agree with in vitro results of the previous study that 5Ta was the best Ta-MBG composition for hemostatic purposes. Graphical abstract.
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Affiliation(s)
- Malvika Nagrath
- Biomedical Engineering, Faculty of Engineering and Architectural Science (FEAS), Ryerson University, Toronto, M5B 2K3, ON, Canada.
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, M5B 1W8, ON, Canada.
| | - Danielle Bince
- Research Vivarium, St. Michael's Hospital, Toronto, M5B 1W8, ON, Canada
| | - Corwyn Rowsell
- Department of Laboratory Medicine, St. Michael's Hospital, Toronto, M5B 1W8, ON, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A1, ON, Canada
| | - Deanna Polintan
- Biomedical Engineering, Faculty of Engineering and Architectural Science (FEAS), Ryerson University, Toronto, M5B 2K3, ON, Canada
| | - Joao Rezende-Neto
- Trauma and Acute Care, General Surgery, St. Michael's Hospital, Toronto, M5B 1W8, ON, Canada
- Department of Surgery, University of Toronto, Toronto, M5S 1A1, ON, Canada
| | - Mark Towler
- Biomedical Engineering, Faculty of Engineering and Architectural Science (FEAS), Ryerson University, Toronto, M5B 2K3, ON, Canada
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, M5B 1W8, ON, Canada
- Department of Mechanical and Industrial Engineering, FEAS, Ryerson University, Toronto, M5B 2K3, ON, Canada
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211
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Bohner M, Maazouz Y, Ginebra MP, Habibovic P, Schoenecker JG, Seeherman H, van den Beucken JJ, Witte F. Sustained local ionic homeostatic imbalance caused by calcification modulates inflammation to trigger heterotopic ossification. Acta Biomater 2022; 145:1-24. [PMID: 35398267 DOI: 10.1016/j.actbio.2022.03.057] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/30/2022] [Accepted: 03/31/2022] [Indexed: 12/15/2022]
Abstract
Heterotopic ossification (HO) is a condition triggered by an injury leading to the formation of mature lamellar bone in extraskeletal soft tissues. Despite being a frequent complication of orthopedic and trauma surgery, brain and spinal injury, the etiology of HO is poorly understood. The aim of this study is to evaluate the hypothesis that a sustained local ionic homeostatic imbalance (SLIHI) created by mineral formation during tissue calcification modulates inflammation to trigger HO. This evaluation also considers the role SLIHI could play for the design of cell-free, drug-free osteoinductive bone graft substitutes. The evaluation contains five main sections. The first section defines relevant concepts in the context of HO and provides a summary of proposed causes of HO. The second section starts with a detailed analysis of the occurrence and involvement of calcification in HO. It is followed by an explanation of the causes of calcification and its consequences. This allows to speculate on the potential chemical modulators of inflammation and triggers of HO. The end of this second section is devoted to in vitro mineralization tests used to predict the ectopic potential of materials. The third section reviews the biological cascade of events occurring during pathological and material-induced HO, and attempts to propose a quantitative timeline of HO formation. The fourth section looks at potential ways to control HO formation, either acting on SLIHI or on inflammation. Chemical, physical, and drug-based approaches are considered. Finally, the evaluation finishes with a critical assessment of the definition of osteoinduction. STATEMENT OF SIGNIFICANCE: The ability to regenerate bone in a spatially controlled and reproducible manner is an essential prerequisite for the treatment of large bone defects. As such, understanding the mechanism leading to heterotopic ossification (HO), a condition triggered by an injury leading to the formation of mature lamellar bone in extraskeletal soft tissues, would be very useful. Unfortunately, the mechanism(s) behind HO is(are) poorly understood. The present study reviews the literature on HO and based on it, proposes that HO can be caused by a combination of inflammation and calcification. This mechanism helps to better understand current strategies to prevent and treat HO. It also shows new opportunities to improve the treatment of bone defects in orthopedic and dental procedures.
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212
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Osuchukwu OA, Salihi A, Abdullahi I, Obada DO. Experimental data on the characterization of hydroxyapatite produced from a novel mixture of biowastes. Data Brief 2022; 42:108305. [PMID: 35664658 PMCID: PMC9160478 DOI: 10.1016/j.dib.2022.108305] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 11/20/2022] Open
Abstract
The purpose of this data narrative is to report the morphological structures, functional groups, elemental composition, pH adaptability and mechanical properties of hydroxyapatite (HAp) biomaterials synthesized from a novel mixture of biowastes (bovine and catfish bones) by a simple sol-gel method assisted with sintering at 900 °C. The produced powders were homogenously mixed by the sol-gel approach at different weights (depicted by sample nomenclature) and characterized using scanning electron microscopy (SEM) equipped with electron dispersive X-ray analysis (EDX), X-ray fluorescence (XRF), Fourier Transform Infrared Spectroscopy (FT-IR), immersion in phosphate buffer saline (PBS), and mechanical measurements (hardness and fracture toughness). The SEM micrographs revealed pore interconnections in all samples. The EDX analysis revealed that the as-sintered HAp samples had Ca/P weight ratios of 2.38, 2.51, 2.86, 2.89, and 3.10 for C100, BC 75/25, BC 50/50, BC 25/75, and B100 samples, respectively. The FT-IR spectra was typical of the bands associated with hydroxyapatite (i.e., those associated with the PO43− , CO32- groups and absorbed water). The prepared biomaterials showed pH adaptability and good mechanical strength.
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Affiliation(s)
- Obinna Anayo Osuchukwu
- Department of Mechanical Engineering, Bayero University, Kano, Kano State 700241, Nigeria
- Multifunctional Materials Laboratory, Shell Office in Mechanical Engineering, Ahmadu Bello University, Zaria, Samaru Zaria, Kaduna State 810212, Nigeria
- Corresponding authors.
| | - Abdu Salihi
- Department of Mechanical Engineering, Bayero University, Kano, Kano State 700241, Nigeria
| | - Ibrahim Abdullahi
- Department of Mechanical Engineering, Bayero University, Kano, Kano State 700241, Nigeria
| | - David Olubiyi Obada
- Department of Mechanical Engineering, Ahmadu Bello University, Zaria, Samaru, Zaria, Kaduna State 810212, Nigeria
- Africa Centre of Excellence on New Pedagogies in Engineering Education, Ahmadu Bello University, Zaria, Samaru, Zaria, Kaduna State 810212, Nigeria
- Multifunctional Materials Laboratory, Shell Office in Mechanical Engineering, Ahmadu Bello University, Zaria, Samaru Zaria, Kaduna State 810212, Nigeria
- Corresponding authors.
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213
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Zadeh Mehrizi T, Shafiee Ardestani M. Application of non-metal nanoparticles, as a novel approach, for improving the stability of blood products: 2011-2021. Prog Biomater 2022; 11:137-161. [PMID: 35536502 PMCID: PMC9085557 DOI: 10.1007/s40204-022-00188-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 04/23/2022] [Indexed: 12/03/2022] Open
Abstract
Despite the importance of the proper quality of blood products for safe transfusion, conventional methods for preparation and their preservation, they lack significant stability. Non-metal nanoparticles with particular features may overcome these challenges. This review study for the first time provided a comprehensive vision of the interaction of non-metal nanoparticles with each blood product (red blood cells, platelets and plasma proteins). The findings of this review on the most effective nanoparticle for improving the stability of RBCs indicate that graphene quantum dots and nanodiamonds show compatibility with RBCs. For increasing the stability of platelet products, silica nanoparticles exhibited a suppressive impact on platelet aggregation. Pristine graphene also shows compatibility with platelets. For better stability of plasma products, graphene oxide was indicated to preserve free human serum albumin from thermal shocks at low ionic strength. For increased stability of Factor VIII, mesoporous silica nanoparticles with large pores exhibit the superb quality of recovered proteins. Furthermore, 3.2 nm quantum dots exhibited anticoagulant effects. As the best promising nanoparticles for immunoglobulin stability, graphene quantum dots showed compatibility with γ-globulins. Overall, this review recommends further research on the mentioned nanoparticles as the most potential candidates for enhancing the stability and storage of blood components.
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Affiliation(s)
- Tahereh Zadeh Mehrizi
- Blood Transfusion Research Center, High Institute for Research and Education in Transfusion Medicine, Tehran, Iran.
| | - Mehdi Shafiee Ardestani
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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214
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dos Santos Gomes D, de Sousa Victor R, de Sousa BV, de Araújo Neves G, de Lima Santana LN, Menezes RR. Ceramic Nanofiber Materials for Wound Healing and Bone Regeneration: A Brief Review. MATERIALS 2022; 15:ma15113909. [PMID: 35683207 PMCID: PMC9182284 DOI: 10.3390/ma15113909] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 04/29/2022] [Accepted: 05/06/2022] [Indexed: 02/04/2023]
Abstract
Ceramic nanofibers have been shown to be a new horizon of research in the biomedical area, due to their differentiated morphology, nanoroughness, nanotopography, wettability, bioactivity, and chemical functionalization properties. Therefore, considering the impact caused by the use of these nanofibers, and the fact that there are still limited data available in the literature addressing the ceramic nanofiber application in regenerative medicine, this review article aims to gather the state-of-the-art research concerning these materials, for potential use as a biomaterial for wound healing and bone regeneration, and to analyze their characteristics when considering their application.
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Affiliation(s)
- Déborah dos Santos Gomes
- Graduate Program in Materials Science and Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil; (G.d.A.N.); (L.N.d.L.S.)
- Laboratory of Materials Technology, Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil
- Correspondence: (D.d.S.G.); (R.d.S.V.); (R.R.M.); Tel.: +55-083-2101-1183 (R.R.M.)
| | - Rayssa de Sousa Victor
- Graduate Program in Materials Science and Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil; (G.d.A.N.); (L.N.d.L.S.)
- Laboratory of Materials Technology, Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil
- Correspondence: (D.d.S.G.); (R.d.S.V.); (R.R.M.); Tel.: +55-083-2101-1183 (R.R.M.)
| | - Bianca Viana de Sousa
- Department of Chemical Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil;
| | - Gelmires de Araújo Neves
- Graduate Program in Materials Science and Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil; (G.d.A.N.); (L.N.d.L.S.)
| | - Lisiane Navarro de Lima Santana
- Graduate Program in Materials Science and Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil; (G.d.A.N.); (L.N.d.L.S.)
| | - Romualdo Rodrigues Menezes
- Laboratory of Materials Technology, Department of Materials Engineering, Federal University of Campina Grande, Campina Grande 58429-900, Brazil
- Correspondence: (D.d.S.G.); (R.d.S.V.); (R.R.M.); Tel.: +55-083-2101-1183 (R.R.M.)
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215
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Strong and Elastic Hydrogels from Dual-Crosslinked Composites Composed of Glycol Chitosan and Amino-Functionalized Bioactive Glass Nanoparticles. NANOMATERIALS 2022; 12:nano12111874. [PMID: 35683730 PMCID: PMC9182191 DOI: 10.3390/nano12111874] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 01/27/2023]
Abstract
Mesoporous bioactive glass (BG) nanoparticles (NPs) with a high specific surface area were prepared. The surfaces of BG NPs were further modified using an amino-containing compound or synthesized precursors to produce three kinds of amino-functionalized bioactive glass (ABG) NPs via devised synthetic routes. The achieved ABG NPs possessed various spacer lengths with free amino groups anchored at the end of the spacer. These ABG NPs were then combined with glycol chitosan (GCH) to construct single- or dual-crosslinked ABG/GCH composite hydrogels using genipin (GN) alone as a single crosslinker or a combination of GN and poly(ethylene glycol) diglycidyl ether (PEGDE) as dual crosslinkers. The spacer length of ABG NPs was found to impose significant effects on the strength and elasticity of GN-crosslinked ABG/GCH hydrogels. After being dually crosslinked with GN and PEGDE, the elastic modulus of some dual-crosslinked ABG/GCH hydrogels reached around 6.9 kPa or higher with their yielding strains larger than 60%, indicative of their strong and elastic features. The optimally achieved ABG/GCH hydrogels were injectable with tunable gelation time, and also able to support the growth of seeded MC3T3-E1 cells and specific matrix deposition. These results suggest that the dual-crosslinked ABG/GCH hydrogels have the potential for some applications in tissue engineering.
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216
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Yu S, Sun T, Liu W, Yang L, Gong H, Chen X, Li J, Weng J. PLGA Cage‐like Structures Loaded with Sr/Mg‐doped Hydroxyapatite for Repairing Osteoporotic Bone Defects. Macromol Biosci 2022; 22:e2200092. [DOI: 10.1002/mabi.202200092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/20/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Shangke Yu
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education) School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 China
| | - Tong Sun
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education) School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 China
| | - Wei Liu
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education) School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 China
| | - Lu Yang
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education) School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 China
| | - Hanwen Gong
- College of Medicine Southwest Jiaotong University Chengdu 610031 China
| | - Xingyu Chen
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education) School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 China
- College of Medicine Southwest Jiaotong University Chengdu 610031 China
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 P.R. China
| | - Jianshu Li
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 P.R. China
| | - Jie Weng
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education) School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 China
- College of Medicine Southwest Jiaotong University Chengdu 610031 China
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217
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Characterization of Physical and Biological Properties of a Caries-Arresting Liquid Containing Copper Doped Bioglass Nanoparticles. Pharmaceutics 2022; 14:pharmaceutics14061137. [PMID: 35745710 PMCID: PMC9227760 DOI: 10.3390/pharmaceutics14061137] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 05/19/2022] [Accepted: 05/24/2022] [Indexed: 02/06/2023] Open
Abstract
Silver diamine fluoride (SDF) is an outstanding dental material for arresting and preventing caries, but some drawbacks, such as high flowability due to low viscosity and cytotoxicity to the pulp, have been reported. To overcome these problems, copper-doped bioactive glass nanoparticles (CuBGns) were combined with SDF. After synthesis, CuBGns were examined by physical analysis and added in SDF at different weight/volume% (SDF@CuBGn). After assessing physical properties (viscosity and flowability) of SDF@CuBGn, physicochemical properties (morphology before and after simulated body fluid (SBF) immersion and ion release) of SDF@CuBGn-applied hydroxyapatite (HA) discs were evaluated. Biological properties were further evaluated by cytotoxicity test to pulp stem cells and antibacterial effect on cariogenic organisms (Streptococcus mutans and Staphylococcus aureus). Combining CuBGns in SDF increased the viscosity up to 3 times while lowering the flowability. More CuBGns and functional elements in SDF (Ag and F) were deposited on the HA substrate, even after SBF immersion test for 14 days, and they showed higher Cu, Ca, and Si release without changing F and Ag release. Cell viability test suggested lower cytotoxicity in SDF@CuBGn-applied HA, while CuBGns in SDF boosted antibacterial effect against S. aureus, ~27% in diameter of agar diffusion test. In conclusion, the addition of CuBGn to SDF enhances viscosity, Ag and F deposition, and antibacterial effects while reducing cell toxicity, highlighting the role of bioactive CuBGns for regulating physical and biological effects of dental materials.
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218
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Decker S, Arango-Ospina M, Rehder F, Moghaddam A, Simon R, Merle C, Renkawitz T, Boccaccini AR, Westhauser F. In vitro and in ovo impact of the ionic dissolution products of boron-doped bioactive silicate glasses on cell viability, osteogenesis and angiogenesis. Sci Rep 2022; 12:8510. [PMID: 35595847 PMCID: PMC9122978 DOI: 10.1038/s41598-022-12430-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 05/06/2022] [Indexed: 11/15/2022] Open
Abstract
Due to the pivotal role of angiogenesis in bone regeneration, the angiogenic properties of biomaterials are of high importance since they directly correlate with the biomaterials’ osteogenic potential via ‘angiogenic-osteogenic coupling’ mechanisms. The impact of bioactive glasses (BGs) on vascularization can be tailored by incorporation of biologically active ions such as boron (B). Based on the ICIE16-BG composition (in mol%: 49.5 SiO2, 36.3 CaO, 6.6 Na2O, 1.1 P2O5, 6.6 K2O), three B-doped BGs have been developed (compositions in mol%: 46.5/45.5/41.5 SiO2, 36.3 CaO, 6.6 Na2O, 1.1 P2O5, 6.6 K2O, 3/4/8 B2O3). The influence of B-doping on the viability, cellular osteogenic differentiation and expression of osteogenic and angiogenic marker genes of bone marrow-derived mesenchymal stromal cells (BMSCs) was analyzed by cultivating BMSCs in presence of the BGs’ ionic dissolution products (IDPs). Furthermore, the influence of the IDPs on angiogenesis was evaluated in ovo using a chorioallantoic membrane (CAM) assay. The influence of B-doped BGs on BMSC viability was dose-dependent, with higher B concentrations showing limited negative effects. B-doping led to a slight stimulation of osteogenesis and angiogenesis in vitro. In contrast to that, B-doping significantly enhanced vascularization in ovo, especially in higher concentrations. Differences between the results of the in vitro and in ovo part of this study might be explained via the different importance of vascularization in both settings. The implementation of new experimental models that cover the ‘angiogenic-osteogenic coupling’ mechanisms is highly relevant, for instance via extending the application of the CAM assay from solely angiogenic to angiogenic and osteogenic purposes.
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Affiliation(s)
- Simon Decker
- Department of Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118, Heidelberg, Germany
| | - Marcela Arango-Ospina
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstr. 6, 91058, Erlangen, Germany
| | - Felix Rehder
- Department of Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118, Heidelberg, Germany
| | - Arash Moghaddam
- Orthopedic and Trauma Surgery, Frohsinnstraße 12, 63739, Aschaffenburg, Germany
| | - Rolf Simon
- Department of Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118, Heidelberg, Germany
| | - Christian Merle
- Department of Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118, Heidelberg, Germany
| | - Tobias Renkawitz
- Department of Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118, Heidelberg, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstr. 6, 91058, Erlangen, Germany
| | - Fabian Westhauser
- Department of Orthopaedics, Heidelberg University Hospital, Schlierbacher Landstraße 200a, 69118, Heidelberg, Germany.
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219
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Zinc-Containing Sol-Gel Glass Nanoparticles to Deliver Therapeutic Ions. NANOMATERIALS 2022; 12:nano12101691. [PMID: 35630912 PMCID: PMC9143105 DOI: 10.3390/nano12101691] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/10/2022] [Accepted: 05/13/2022] [Indexed: 12/21/2022]
Abstract
Zn-containing dense monodispersed bioactive glass nanoparticles (Zn-BAGNPs) have been developed to deliver therapeutic inorganic trace elements, including Si, Ca, Sr, and Zn, to the cells through the degradation process, as delivery carriers for stimulating bone regeneration because of their capacity to induce osteogenic differentiation. The sol–gel-derived dense silica nanoparticles (SiO2-NPs) were first synthesized using the modified Stöber method, prior to incorporating therapeutic cations through the heat treatment process. The successfully synthesized monodispersed Zn-BAGNPs (diameter of 130 ± 20 nm) were homogeneous in size with spherical morphology. Ca, Sr and Zn were incorporated through the two-step post-functionalization process, with the nominal ZnO ratio between 0 and 2 (0, 0.5, 1.0, 1.5 and 2.0). Zn-BAGNPs have the capacity for continuous degradation and simultaneous ion release in SBF and PBS solutions due to their amorphous structure. Zn-BAGNPs have no in vitro cytotoxicity on the murine pre-osteoblast cell (MC3T3-E1) and periodontal ligament stem cells (PDLSCs), up to a concentration of 250 µg/mL. Zn-BAGNPs also stimulated osteogenic differentiation on PDLSCs treated with particles, after 2 and 3 weeks in culture. Zn-BAGNPs were not toxic to the cells and have the potential to stimulate osteogenic differentiation on PDLSCs. Therefore, Zn-BAGNPs are potential vehicles for therapeutic cation delivery for applications in bone and dental regenerations.
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220
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Muñoz-González PU, Lona-Ramos MC, Gutiérrez-Verdín LD, Luévano-Colmenero GH, Tenorio-Rocha F, García-Contreras R, González-García G, Rosillo-de la Torre A, Delgado J, Castellano LE, Mendoza-Novelo B. Gel dressing based on type I collagen modified with oligourethane and silica for skin wound healing. Biomed Mater 2022; 17. [PMID: 35483345 DOI: 10.1088/1748-605x/ac6b70] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 04/28/2022] [Indexed: 11/12/2022]
Abstract
Cutaneous wound healing is a complex process that leads the skin reparation with the formation of scar tissue that typically lacks skin appendages. This fact drives us to find new strategies to improve regenerative healing of the skin. This study outlines, the contribution of colloidal silica particles and oligourethane crosslinking on the collagen material properties and the effect on skin wound healing in rats. We characterized the gel properties that are key forin-situgelation, which is accomplished by the latent reactivity of oligourethane bearing blocked isocyanate groups to crosslink collagen while entrapping silica particles. The swelling/degradation behavior and the elastic modulus of the composite gel were consistent with the modification of collagen type I with oligourethane and silica. On the other hand, these gels were characterized as scaffold for murine macrophages and human stem cells. The application of a composite gel dressing on cutaneous wounds showed a histological appearance of the recovered skin as intact skin; featured by the epidermis, hair follicles, sebaceous glands, subcutaneous adipose layer, and dermis. The results suggest that the collagen-based composite dressings are promising modulators in skin wound healing to achieve a regenerative skin closure with satisfactory functional and aesthetic scars.
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Affiliation(s)
- Pedro U Muñoz-González
- Science and Engineering Division, University of Guanajuato. Loma del bosque # 103, Col. Lomas del campestre, C.P. 37150 León, GTO, México.,Natural and Exact Sciences Division, University of Guanajuato. Noria alta S/N, Col. Noria alta, C.P. 36050 Guanajuato, GTO, México
| | - María C Lona-Ramos
- Science and Engineering Division, University of Guanajuato. Loma del bosque # 103, Col. Lomas del campestre, C.P. 37150 León, GTO, México
| | - Luis D Gutiérrez-Verdín
- Science and Engineering Division, University of Guanajuato. Loma del bosque # 103, Col. Lomas del campestre, C.P. 37150 León, GTO, México.,Interdisciplinary Professional Engineering Unit Campus Guanajuato, National Polytechnic Institute. Mineral de Valenciana # 200, Col. Fraccionamiento industrial puerto interior, C.P. 36275 Silao de la Victoria, GTO, México
| | - Guadalupe H Luévano-Colmenero
- Interdisciplinary Professional Engineering Unit Campus Guanajuato, National Polytechnic Institute. Mineral de Valenciana # 200, Col. Fraccionamiento industrial puerto interior, C.P. 36275 Silao de la Victoria, GTO, México
| | - Fernando Tenorio-Rocha
- ENES León, National University Autonomous of Mexico, Boulevard UNAM #2011, Col. Predio el saucillo y el potrero, C.P. 37689 León, GTO, México
| | - René García-Contreras
- ENES León, National University Autonomous of Mexico, Boulevard UNAM #2011, Col. Predio el saucillo y el potrero, C.P. 37689 León, GTO, México
| | - Gerardo González-García
- Natural and Exact Sciences Division, University of Guanajuato. Noria alta S/N, Col. Noria alta, C.P. 36050 Guanajuato, GTO, México
| | - Argelia Rosillo-de la Torre
- Science and Engineering Division, University of Guanajuato. Loma del bosque # 103, Col. Lomas del campestre, C.P. 37150 León, GTO, México
| | - Jorge Delgado
- Science and Engineering Division, University of Guanajuato. Loma del bosque # 103, Col. Lomas del campestre, C.P. 37150 León, GTO, México
| | - Laura E Castellano
- Science and Engineering Division, University of Guanajuato. Loma del bosque # 103, Col. Lomas del campestre, C.P. 37150 León, GTO, México
| | - Birzabith Mendoza-Novelo
- Science and Engineering Division, University of Guanajuato. Loma del bosque # 103, Col. Lomas del campestre, C.P. 37150 León, GTO, México
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221
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Roohani I, No YJ, Zuo B, Xiang SD, Lu Z, Liu H, Plebanski M, Zreiqat H. Low-Temperature Synthesis of Hollow β-Tricalcium Phosphate Particles for Bone Tissue Engineering Applications. ACS Biomater Sci Eng 2022; 8:1806-1815. [PMID: 35405073 DOI: 10.1021/acsbiomaterials.1c01018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
β-Tricalcium phosphate (β-TCP) has been extensively used in bone tissue engineering in the form of scaffolds, granules, or as reinforcing phase in organic matrices. Solid-state reaction route at high temperatures (>1000 °C) is the most widely used method for the preparation of β-TCP. The high-temperature synthesis, however, results in the formation of hard agglomerates and fused particles which necessitates postprocessing steps such as milling and sieving operations. This, inadvertently, could lead to introducing unwanted trace elements, promoting particle shape irregularity as well as compromising the biodegradability and bioactivity of β-TCP because of the solid microstructure of particles. In this study, we introduce a one-pot wet-chemical method at low temperatures (between 160 and 170 °C) to synthesize hollow β-TCP (hβ-TCP) submicron particles of an average size of 300 nm with a uniform rhombohedral shape. We assessed the cytocompatibility of the hβ-TCP using primary human osteoblasts (HOB), adipose-derived stem cells (ADSC), and antigen-presenting cells (APCs). We demonstrate the bioactivity of the hβ-TCP when cultured with HOB, ADSC, and APCs at a range of particle concentrations (up to 1000 μg/mL) for up to 7 days. hβ-TCP significantly enhances osteogenic differentiation of ADSC without the addition of osteogenic supplements. These findings offer a new type of β-TCP particles prepared at low temperatures, which present various opportunities for developing β-TCP based biomaterials.
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Affiliation(s)
- Iman Roohani
- Australian Research Council Training Centre for Innovative BioEngineering, Sydney, New South Wales 2006, Australia.,School of Biomedical Engineering, University of Sydney, Sydney, New South Wales 2006, Australia.,School of Chemistry, University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Young Jung No
- Australian Research Council Training Centre for Innovative BioEngineering, Sydney, New South Wales 2006, Australia.,School of Biomedical Engineering, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Betty Zuo
- School of Biomedical Engineering, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Sue D Xiang
- Department of Immunology and Pathology, Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Victoria 3052, Australia
| | - Zufu Lu
- Australian Research Council Training Centre for Innovative BioEngineering, Sydney, New South Wales 2006, Australia.,School of Biomedical Engineering, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Hongwei Liu
- Australian Centre for Microscopy and Microanalysis, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Magdalena Plebanski
- Department of Immunology and Pathology, Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Victoria 3052, Australia.,School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, Victoria 3084, Australia
| | - Hala Zreiqat
- Australian Research Council Training Centre for Innovative BioEngineering, Sydney, New South Wales 2006, Australia.,School of Biomedical Engineering, University of Sydney, Sydney, New South Wales 2006, Australia
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222
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Huang J, Han Q, Cai M, Zhu J, Li L, Yu L, Wang Z, Fan G, Zhu Y, Lu J, Zhou G. Effect of Angiogenesis in Bone Tissue Engineering. Ann Biomed Eng 2022; 50:898-913. [PMID: 35525871 DOI: 10.1007/s10439-022-02970-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 04/17/2022] [Indexed: 12/20/2022]
Abstract
The reconstruction of large skeletal defects is still a tricky challenge in orthopedics. The newly formed bone tissue migrates sluggishly from the periphery to the center of the scaffold due to the restrictions of exchange of oxygen and nutrition impotent cells osteogenic differentiation. Angiogenesis plays an important role in bone reconstruction and more and more studies on angiogenesis in bone tissue engineering had been published. Promising advances of angiogenesis in bone tissue engineering by scaffold designs, angiogenic factor delivery, in vivo prevascularization and in vitro prevascularization are discussed in detail. Among all the angiogenesis mode, angiogenic factor delivery is the common methods of angiogenesis in bone tissue engineering and possible research directions in the future.
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Affiliation(s)
- Jianhao Huang
- Department of Orthopedics, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing, 210002, People's Republic of China
| | - Qixiu Han
- Department of Orthopedics, Jinling Hospital, Nanjing Medical University, Nanjing, 210002, People's Republic of China
| | - Meng Cai
- Department of Orthopedics, Jinling Hospital, School of Medicine, Southeast University, Nanjing, 210002, People's Republic of China
| | - Jie Zhu
- Department of Orthopedics, Jinling Hospital, Nanjing Medical University, Nanjing, 210002, People's Republic of China
| | - Lan Li
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Sports Medicine and Adult Reconstructive Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, 210008, People's Republic of China
| | - Lingfeng Yu
- Department of Orthopedics, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, 210002, People's Republic of China
| | - Zhen Wang
- Department of Orthopedics, Jinling Hospital, Nanjing Medical University, Nanjing, 210002, People's Republic of China
| | - Gentao Fan
- Department of Orthopedics, Nanjing Jinling Hospital, 305 Zhongshan East Road, Nanjing, 210002, People's Republic of China
| | - Yan Zhu
- Department of Orthopedics, Nanjing Jinling Hospital, 305 Zhongshan East Road, Nanjing, 210002, People's Republic of China
| | - Jingwei Lu
- Department of Orthopedics, Jinling Hospital, Nanjing Medical University, Nanjing, 210002, People's Republic of China. .,Department of Orthopedics, Nanjing Jinling Hospital, 305 Zhongshan East Road, Nanjing, 210002, People's Republic of China.
| | - Guangxin Zhou
- Department of Orthopedics, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing, 210002, People's Republic of China. .,Department of Orthopedics, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, 210002, People's Republic of China. .,Department of Orthopedics, Nanjing Jinling Hospital, 305 Zhongshan East Road, Nanjing, 210002, People's Republic of China. .,The First School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, People's Republic of China.
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223
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He F, Yuan X, Lu T, Wang Y, Feng S, Shi X, Wang L, Ye J, Yang H. Preparation and characterization of novel lithium magnesium phosphate bioceramic scaffolds facilitating bone generation. J Mater Chem B 2022; 10:4040-4047. [PMID: 35506906 DOI: 10.1039/d2tb00471b] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Both magnesium and lithium are able to stimulate osteogenic and angiogenic activities. In this study, lithium magnesium phosphate (Li0.5Mg2.75(PO4)2, Li1Mg2.5(PO4)2 and Li2Mg2(PO4)2) biomaterials were synthesized by a solid-state reaction method, and their bioceramic blocks and scaffolds were fabricated by compression molding and 3D printing, respectively. The results indicated that the lithium magnesium phosphates consisted of the Mg3(PO4)2 phase and/or LiMgPO4 phase. Compared with the lithium-free Mg3(PO4)2 bioceramics, the lithium magnesium phosphate bioceramics showed a lower porosity and consequently a higher compressive strength, and stimulated in vitro cellular proliferation, osteogenic differentiation and proangiogenic activity. In vivo results manifested that the Li2Mg2(PO4)2 bioceramic scaffolds efficiently promoted bone regeneration of critical-size calvarial defects in rats. Benefiting from the high compressive strength and capacity of stimulating osteogenesis and angiogenesis, the Li2Mg2(PO4)2 bioceramic scaffolds are considered promising for efficiently repairing the bone defects.
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Affiliation(s)
- Fupo He
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Xinyuan Yuan
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China.
| | - Teliang Lu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China.
| | - Yao Wang
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Songheng Feng
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, People's Republic of China.
| | - Xuetao Shi
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China.
| | - Lin Wang
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China.
| | - Jiandong Ye
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, People's Republic of China.
| | - Hui Yang
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education; School of Medical Information Engineering, Gannan Medical University, Ganzhou 341000, People's Republic of China
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224
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Cañas E, Orts MJ, Sánchez E, Bellucci D, Cannillo V. Deposition of bioactive glass coatings based on a novel composition containing strontium and magnesium. Ann Ital Chir 2022. [DOI: 10.1016/j.jeurceramsoc.2022.05.064] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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225
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Brokesh AM, Cross LM, Kersey AL, Murali A, Richter C, Gregory CA, Singh I, Gaharwar AK. Dissociation of nanosilicates induces downstream endochondral differentiation gene expression program. SCIENCE ADVANCES 2022; 8:eabl9404. [PMID: 35476448 PMCID: PMC9045714 DOI: 10.1126/sciadv.abl9404] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Bioactive materials harness the body's innate regenerative potential by directing endogenous progenitor cells to facilitate tissue repair. Dissolution products of inorganic biomaterials provide unique biomolecular signaling for tissue-specific differentiation. Inorganic ions (minerals) are vital to biological processes and play crucial roles in regulating gene expression patterns and directing cellular fate. However, mechanisms by which ionic dissolution products affect cellular differentiation are not well characterized. We demonstrate the role of the inorganic biomaterial synthetic two-dimensional nanosilicates and its ionic dissolution products on human mesenchymal stem cell differentiation. We use whole-transcriptome sequencing (RNA-sequencing) to characterize the contribution of nanosilicates and its ionic dissolution products on endochondral differentiation. Our study highlights the modulatory role of ions in stem cell transcriptome dynamics by regulating lineage-specific gene expression patterns. This work paves the way for leveraging biochemical characteristics of inorganic biomaterials to direct cellular processes and promote in situ tissue regeneration.
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Affiliation(s)
- Anna M. Brokesh
- Department of Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Lauren M. Cross
- Department of Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Anna L. Kersey
- Department of Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Aparna Murali
- Department of Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Christopher Richter
- Department of Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Carl A. Gregory
- Department of Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
- Department of Molecular & Cellular Medicine, Texas A&M University Health Science Center, Bryan, TX 77807-3260, USA
| | - Irtisha Singh
- Department of Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
- Department of Molecular & Cellular Medicine, Texas A&M University Health Science Center, Bryan, TX 77807-3260, USA
- Interdisciplinary Program in Genetics, Texas A&M University, College Station, TX 77843, USA
- Corresponding author. (A.K.G.); (I.S.)
| | - Akhilesh K. Gaharwar
- Department of Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
- Interdisciplinary Program in Genetics, Texas A&M University, College Station, TX 77843, USA
- Center for Remote Health Technologies and Systems, Texas A&M University, College Station, TX 77843, USA
- Department of Material Science and Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
- Corresponding author. (A.K.G.); (I.S.)
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226
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Daneshmandi L, Holt BD, Arnold AM, Laurencin CT, Sydlik SA. Ultra-low binder content 3D printed calcium phosphate graphene scaffolds as resorbable, osteoinductive matrices that support bone formation in vivo. Sci Rep 2022; 12:6960. [PMID: 35484292 PMCID: PMC9050648 DOI: 10.1038/s41598-022-10603-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 03/02/2022] [Indexed: 12/18/2022] Open
Abstract
Bone regenerative engineering could replace autografts; however, no synthetic material fulfills all design criteria. Nanocarbons incorporated into three-dimensional printed (3DP) matrices can improve properties, but incorporation is constrained to low wt%. Further, unmodified nanocarbons have limited osteogenic potential. Functionalization to calcium phosphate graphene (CaPG) imparts osteoinductivity and osteoconductivity, but loading into matrices remained limited. This work presents ultra-high content (90%), 3DP-CaPG matrices. 3DP-CaPG matrices are highly porous (95%), moderately stiff (3 MPa), and mechanically robust. In vitro, they are cytocompatible and induce osteogenic differentiation of human mesenchymal stem cells (hMSCs), indicated by alkaline phosphatase, mineralization, and COL1α1 expression. In vivo, bone regeneration was studied using a transgenic fluorescent-reporter mouse non-union calvarial defect model. 3DP-CaPG stimulates cellular ingrowth, retains donor cells, and induces osteogenic differentiation. Histology shows TRAP staining around struts, suggesting potential osteoclast activity. Apparent resorption of 3DP-CaPG was observed and presented no toxicity. 3DP-CaPG represents an advancement towards a synthetic bone regeneration matrix.
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Affiliation(s)
- Leila Daneshmandi
- Connecticut Convergence Institute for Translation in Regenerative Engineering, UConn Health, Farmington, CT, 06030, USA
- Raymond and Beverly Sackler Center for Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT, 06030, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, 06269, USA
- Department of Orthopaedic Surgery, UConn Health, Farmington, CT, 06030, USA
| | - Brian D Holt
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA, 15213, USA
| | - Anne M Arnold
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA, 15213, USA
- National Security Directorate, Pacific Northwest National Laboratory, Richland, WA, 99354, USA
| | - Cato T Laurencin
- Connecticut Convergence Institute for Translation in Regenerative Engineering, UConn Health, Farmington, CT, 06030, USA.
- Raymond and Beverly Sackler Center for Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT, 06030, USA.
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, 06269, USA.
- Department of Orthopaedic Surgery, UConn Health, Farmington, CT, 06030, USA.
- Department of Material Science and Engineering, University of Connecticut, Storrs, CT, 06269, USA.
- Department of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, CT, 06269, USA.
| | - Stefanie A Sydlik
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, PA, 15213, USA.
- Department of Biomedical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA, 15213, USA.
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227
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Potential of Fluoride-Containing Zinc Oxide and Copper Oxide Nanocomposites on Dentin Bonding Ability. NANOMATERIALS 2022; 12:nano12081291. [PMID: 35457999 PMCID: PMC9025052 DOI: 10.3390/nano12081291] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 04/01/2022] [Accepted: 04/06/2022] [Indexed: 12/04/2022]
Abstract
Despite recent advances in bonding restorations, which are the basis of restorative dentistry, secondary caries are still able to form. Previously, a novel fluoride-containing zinc and copper (ZCF) nanocomposite was introduced to prevent the formation of caries due to its antibacterial activity. In this study, we studied the impact of ZCF nanoparticles on the adhesive strength of bonding restorations through micro-tensile bond strength (µTBS) testing. The impact of antibacterial and matrix metalloproteinase (MMP) inhibitors on the nanoparticles was also examined. The nanocomposites were prepared using a simple one-step homogeneous co-precipitation method at a low temperature. A self-etch adhesive was applied to 10 extracted caries-free human molars with (test group) and without (control group) the ZCF nanoparticles. This was followed by composite resin build-up and µTBS testing, MMP activity assays, and evaluation of the antibacterial effects. The results showed no significant differences in the µTBS between the ZCF and the control groups. However, the ZCF exhibited a significant inhibitory effect against MMP-2, MMP-8, and MMP-9, in addition to an antibacterial effect on Streptococcus mutans. Therefore, the present study demonstrated that the addition of ZCF nanoparticles to adhesive systems can result in MMP inhibition and antibacterial action while maintaining the mechanical properties of the bonding restorations.
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228
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Bioactive glass nanoparticles inhibit osteoclast differentiation and osteoporotic bone loss by activating lncRNA NRON expression in the extracellular vesicles derived from bone marrow mesenchymal stem cells. Biomaterials 2022; 283:121438. [DOI: 10.1016/j.biomaterials.2022.121438] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 02/03/2022] [Accepted: 02/22/2022] [Indexed: 12/19/2022]
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229
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Derakhshani A, Hesaraki S, Nezafati N, Azami M. Wound closure, angiogenesis and antibacterial behaviors of tetracalcium phosphate/hydroxyethyl cellulose/hyaluronic acid/gelatin composite dermal scaffolds. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:605-626. [PMID: 34844507 DOI: 10.1080/09205063.2021.2008786] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Polymeric and tetracalcium phosphate (TTCP)-containing polymeric scaffolds were fabricated using a freeze-drying technique, with a homogenous solution of hydroxyethyl cellulose (HEC)/hyaluronic acid (HA)/gelatin (G) or suspension of 15 or 20% TTCP) particles in HEC/HA/G solution. The morphology, phase composition, chemical bands, and swelling behavior of the scaffold were determined. In vitro fibroblast cell viability and migration potential of the scaffolds were determined by MTT, live/dead staining, and scratch assay for wound healing. The in vivo chick embryo angiogenesis test was also carried out. Finally, the initial antibacterial activity of the scaffolds was determined using Staphylococcus aureus. The scaffolds exhibited an enormous porous structure in which the size of pores increased by the presence of TTCP particles. While the polymeric scaffold was amorphous, the formation of low crystalline hydroxyapatite phase and the initial TTCP particles was determined in the composition of TTCP-added scaffolds. TTCP increased swelling behavior of the polymeric scaffold in PBS. The results demonstrated that the amount of TTCP was a crucial factor in cell life. A high concentration of TTCP could restrict cell viability, although all the scaffolds were nontoxic. The scratch assessments determined better cell migration and wound closure in treating with TTCP-containing scaffolds so that after 24 h, a wound closure of 100% was observed. Furthermore, TTCP-incorporated scaffolds significantly improved the angiogenesis, in the chick embryo test. The presence of TTCP had a significant effect on reducing the bacterial activity and 20% TTCP-containing scaffold exhibited better antibacterial activity than the others.
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Affiliation(s)
- Atefeh Derakhshani
- Biomaterials Group, Department of Nanotechnology & Advanced Materials, Materials and Energy Research Center, Karaj, Iran
| | - Saeed Hesaraki
- Biomaterials Group, Department of Nanotechnology & Advanced Materials, Materials and Energy Research Center, Karaj, Iran
| | - Nader Nezafati
- Biomaterials Group, Department of Nanotechnology & Advanced Materials, Materials and Energy Research Center, Karaj, Iran
| | - Mahmoud Azami
- Department of Tissue Engineering, Tehran University of Medical Sciences, Tehran, Iran
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230
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Zhang L, Lee W, Li X, Jiang Y, Fang NX, Dai G, Liu Y. 3D direct printing of mechanical and biocompatible hydrogel meta-structures. Bioact Mater 2022; 10:48-55. [PMID: 34901528 PMCID: PMC8637340 DOI: 10.1016/j.bioactmat.2021.08.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 07/01/2021] [Accepted: 08/12/2021] [Indexed: 01/08/2023] Open
Abstract
Direct Ink Writing (DIW) has demonstrated great potential as a versatile method to 3D print multifunctional structures. In this work, we report the implementation of hydrogel meta-structures using DIW at room temperature, which seamlessly integrate large specific surface areas, interconnected porous characteristics, mechanical toughness, biocompatibility, and water absorption and retention capabilities. Robust but hydrophobic polymers and weakly crosslinked nature-origin hydrogels form a balance in the self-supporting ink, allowing us to directly print complex meta-structures without sacrificial materials and heating extrusion. Mechanically, the mixed bending or stretching of symmetrical re-entrant cellular lattices and the unique curvature patterns are combined to provide little lateral expansion and large compressive energy absorbance when external forces are applied on the printed meta-structures. In addition, we have successfully demonstrated ear, aortic valve conduits and hierarchical architectures. We anticipate that the reported 3D meta-structured hydrogel would offer a new strategy to develop functional biomaterials for tissue engineering applications in the future.
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Affiliation(s)
- Lei Zhang
- Department of Mechanical & Industrial Engineering, Northeastern University, Boston, MA, 02115, United States
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, 650500, China
| | - Wenhan Lee
- Department of Bioengineering, Northeastern University, Boston, MA, 02115, United States
| | - Xinhao Li
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, United States
| | - Yanhui Jiang
- Department of Mechanical & Industrial Engineering, Northeastern University, Boston, MA, 02115, United States
| | - Nicholas Xuanlai Fang
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, United States
| | - Guohao Dai
- Department of Bioengineering, Northeastern University, Boston, MA, 02115, United States
| | - Yongmin Liu
- Department of Mechanical & Industrial Engineering, Northeastern University, Boston, MA, 02115, United States
- Department of Electrical and Computer Engineering, Northeastern University, Boston, MA, 02115, United States
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231
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Xu Y, Gaillez MP, Zheng K, Voigt D, Cui M, Kurth T, Xiao L, Rothe R, Hauser S, Lee PW, Wieduwild R, Lin W, Bornhäuser M, Pietzsch J, Boccaccini AR, Zhang Y. A Self-Assembled Matrix System for Cell-Bioengineering Applications in Different Dimensions, Scales, and Geometries. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2104758. [PMID: 35132776 DOI: 10.1002/smll.202104758] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 12/30/2021] [Indexed: 06/14/2023]
Abstract
Stem cell bioengineering and therapy require different model systems and materials in different stages of development. If a chemically defined biomatrix system can fulfill most tasks, it can minimize the discrepancy among various setups. By screening biomaterials synthesized through a coacervation-mediated self-assembling mechanism, a biomatrix system optimal for 2D human mesenchymal stromal cell (hMSC) culture and osteogenesis is identified. Its utility for hMSC bioengineering is further demonstrated in coating porous bioactive glass scaffolds and nanoparticle synthesis for esiRNA delivery to knock down the SOX-9 gene with high delivery efficiency. The self-assembled injectable system is further utilized for 3D cell culture, segregated co-culture of hMSC with human umbilical vein endothelial cells (HUVEC) as an angiogenesis model, and 3D bioprinting. Most interestingly, the coating of bioactive glass with the self-assembled biomatrix not only supports the proliferation and osteogenesis of hMSC in the 3D scaffold but also induces the amorphous bioactive glass (BG) scaffold surface to form new apatite crystals resembling bone-shaped plate structures. Thus, the self-assembled biomatrix system can be utilized in various dimensions, scales, and geometries for many different bioengineering applications.
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Affiliation(s)
- Yong Xu
- B CUBE Center for Molecular Bioengineering, Technische Universität Dresden, 01307, Dresden, Germany
| | - Michelle Patino Gaillez
- B CUBE Center for Molecular Bioengineering, Technische Universität Dresden, 01307, Dresden, Germany
| | - Kai Zheng
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058, Erlangen, Germany
| | - Dagmar Voigt
- Institute of Botany, Faculty of Biology, Technische Universität Dresden, 01062, Dresden, Germany
| | - Meiying Cui
- B CUBE Center for Molecular Bioengineering, Technische Universität Dresden, 01307, Dresden, Germany
| | - Thomas Kurth
- Technische Universität Dresden, Center for Molecular and Cellular Bioengineering (CMCB), Technology Platform, EM Facilty, 01307, Dresden, Germany
| | - Lingfei Xiao
- Department of Spine Surgery and Musculoskeletal Tumor, Zhongnan Hospital of Wuhan University, Wuhan University, Wuhan, 430071, China
| | - Rebecca Rothe
- Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Radiopharmaceutical Cancer Research Department of Radiopharmaceutical and Chemical Biology, 01328, Dresden, Germany
- Technische Universität Dresden, School of Science, Faculty of Chemistry and Food Chemistry, 01062, Dresden, Germany
| | - Sandra Hauser
- Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Radiopharmaceutical Cancer Research Department of Radiopharmaceutical and Chemical Biology, 01328, Dresden, Germany
| | - Pao-Wan Lee
- B CUBE Center for Molecular Bioengineering, Technische Universität Dresden, 01307, Dresden, Germany
| | - Robert Wieduwild
- B CUBE Center for Molecular Bioengineering, Technische Universität Dresden, 01307, Dresden, Germany
| | - Weilin Lin
- B CUBE Center for Molecular Bioengineering, Technische Universität Dresden, 01307, Dresden, Germany
| | - Martin Bornhäuser
- Center for Regenerative Therapies Dresden (CRTD), Technische Universität Dresden, Fetscherstraße 105, 01307, Dresden, Germany
- University Hospital Carl Gustav Carus der Technischen Universität Dresden, Medizinische Klinik und Poliklinik I, Fetscherstraße 74, 01307, Dresden, Germany
| | - Jens Pietzsch
- Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Radiopharmaceutical Cancer Research Department of Radiopharmaceutical and Chemical Biology, 01328, Dresden, Germany
- Technische Universität Dresden, School of Science, Faculty of Chemistry and Food Chemistry, 01062, Dresden, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058, Erlangen, Germany
| | - Yixin Zhang
- B CUBE Center for Molecular Bioengineering, Technische Universität Dresden, 01307, Dresden, Germany
- Cluster of Excellence Physics of Life, Technische Universität Dresden, 01062, Dresden, Germany
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232
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Strontium- and peptide-modified silicate nanostructures for dual osteogenic and antimicrobial activity. BIOMATERIALS ADVANCES 2022; 135:212735. [PMID: 35929201 DOI: 10.1016/j.bioadv.2022.212735] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/19/2022] [Accepted: 02/21/2022] [Indexed: 12/29/2022]
Abstract
Developing multifunctional nanostructures that promote bone repair while fighting infection is highly desirable in bone regenerative therapies. Previous efforts have focused on achieving one property or another by altering the chemical makeup of nanostructures or using growth factors or antibiotics. We present nanostructures with several simultaneous functional attributes including positive effects of strontium on bone formation and prevention of osteoclast differentiation along with incorporation of antimicrobial peptides (AMP) to prevent infection. To form these multifunctional nanostructures, mesoporous calcium silicate (CaMSN) was modified with high levels of strontium. For this, CaMSNs were either partially substituted (20 wt% Ca) or completely replaced with strontium (Sr) to form Sr-CaMSN or SrMSN. The mesoporous nature of these bioactive silicate nanostructures rendered a configuration for substantial AMP loading as well as their effective delivery. The physico-chemical and structural characterization of synthesized MSNs confirmed the mesoporous nature of the synthesized MSNs and their total surface area, pore size, pore volume and SBF-mediated bioactivity remained unaltered with the incorporation of Sr. However, biological evaluation confirmed that synthesized SrMSN upregulated osteogenic differentiation of mesenchymal stromal cells and significantly downregulated osteoclast differentiation. Also, the AMP-loaded MSNs prevented formation and growth of methicillin resistant Staphylococcus aureus (MRSA) biofilms. Thus, high Sr-containing AMP-loaded SrMSNs may combat MRSA-associated infection while promoting bone regeneration. The controlled availability of therapeutic Sr and AMP release as SrMSN degrade enables its potential application in bone tissue regeneration.
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233
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Najafinezhad A, Bakhsheshi Rad HR, Saberi A, Nourbakhsh AA, Daroonparvar M, Ismail AF, Sharif S, Dai Y, Ramakrishna S, Berto F. Graphene oxide encapsulated forsterite scaffolds to improve mechanical properties and antibacterial behavior. Biomed Mater 2022; 17. [PMID: 35358956 DOI: 10.1088/1748-605x/ac62e8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 03/31/2022] [Indexed: 11/12/2022]
Abstract
It is very desirable to have good antibacterial properties and mechanical properties at the same time for bone scaffolds. Graphene oxide (GO) can increase the mechanical properties and antibacterial performance, while forsterite (Mg2SiO4) as the matrix can increase forsterite/GO scaffolds' biological activity for bone tissue engineering. Interconnected porous forsterite scaffolds were developed by space holder processes for bone tissue engineering in this research. The forsterite/GO scaffolds had a porosity of 76-78% with pore size of 300-450 μm. The mechanism of the mechanical strengthening, antibacterial activity, and cellular function of the forsterite/GO scaffold was evaluated. The findings show that the compressive strength of forsterite/1wt.% GO scaffold (2.4±0.1 MPa) was significantly increased, in comparison to forsterite scaffolds without GO (1.4±0.1 MPa). Validation of the samples' bioactivity was attained by forming a hydroxyapatite (HAp) layer on the forsterite/GO surface within in vitro immersion test. The results of cell viability demonstrated that synthesized forsterite scaffolds with low GO did not show cytotoxicity and enhanced cell proliferation. Antibacterial tests showed that the antibacterial influence of forsterite/GO scaffold was strongly correlated with GO concentration from 0.5 to 2 wt.%. The scaffold encapsulated with 2wt.% GO had the great antibacterial performance with bacterial inhibition rate around 90%. As results show, the produced forsterite/1wt.% GO can be an attractive option for bone tissue engineering.
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Affiliation(s)
- A Najafinezhad
- Islamic Azad University Najafabad Branch, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran, Najafabad, Isfahan Province, 8514143131, Iran (the Islamic Republic of)
| | - Hamid Reza Bakhsheshi Rad
- Universiti Teknologi Malaysia, Faculty of Education, Universiti Teknologi Malaysia, Faculty of Education, Universiti Teknologi Malaysia, Skudai, 81310, MALAYSIA
| | - A Saberi
- Islamic Azad University Najafabad Branch, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran, Najafabad, Isfahan Province, 8514143131, Iran (the Islamic Republic of)
| | - Amir Abbas Nourbakhsh
- Islamic Azad University Sahreza Branch, Department of Materials Engineering, Shahreza Branch, Islamic Azad University, Shahreza, Iran, Shahreza, 8871653388, Iran (the Islamic Republic of)
| | - Mohammadreza Daroonparvar
- University of Nevada Reno, Department of Chemical and Materials Engineering, University of Nevada, Reno, NV, 89501, USA, Reno, Nevada, 89557-0705, UNITED STATES
| | - Ahmad Fauzi Ismail
- Universiti Teknologi Malaysia, Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia, Skudai, Johor, 81310, MALAYSIA
| | - Safian Sharif
- Universiti Teknologi Malaysia, Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia, Skudai, Johor, 81310, MALAYSIA
| | - Yunqian Dai
- Southeast University, Southeast University, Nanjing, Jiangsu 211189, P. R. China, Nanjing, 210096, CHINA
| | - Seeram Ramakrishna
- Department of Mechanical Engineering, National University of Singapore, 10 Kent Ridge Cresent, Singapore 119260, Singapore, 119260, SINGAPORE
| | - Filippo Berto
- Department of Engineering Design and Materials, Norges teknisk-naturvitenskapelige universitet, Norwegian University of Science and Technology, 7491, Trondheim, Norway, Trondheim, 7491, NORWAY
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234
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Oirschot BV, zhang Y, Alghamdi HS, cordeiro JM, nagay B, barão VA, de avila ED, van den Beucken J. Surface engineering for dental implantology: favoring tissue responses along the implant
. Tissue Eng Part A 2022; 28:555-572. [DOI: 10.1089/ten.tea.2021.0230] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Bart van Oirschot
- Radboudumc Department of Dentistry, 370502, Regenerative Biomaterials, Nijmegen, Gelderland, Netherlands,
| | - yang zhang
- Shenzhen University, 47890, School of Stomatology, Health Science Center, Shenzhen, Guangdong, China,
| | - Hamdan S Alghamdi
- King Saud University College of Dentistry, 204573, Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, Saudi Arabia,
| | - jairo m cordeiro
- UNICAMP, 28132, Department of Prosthodontics and Periodontology, Piracicaba Dental School, Campinas, SP, Brazil,
| | - bruna nagay
- UNICAMP, 28132, Department of Prosthodontics and Periodontology, Piracicaba Dental School, Campinas, SP, Brazil,
| | - valentim ar barão
- UNICAMP, 28132, Department of Prosthodontics and Periodontology, Piracicaba Dental School, Campinas, SP, Brazil,
| | - erica dorigatti de avila
- UNESP, 28108, Department of Dental Materials and Prosthodontics, School of Dentistry at Araraquara, São Paulo State University (UNESP), Sao Paulo, SP, Brazil,
| | - Jeroen van den Beucken
- Radboudumc Department of Dentistry, 370502, Regenerative Biomaterials, Nijmegen, Gelderland, Netherlands,
- RU RIMLS, 59912, Nijmegen, Gelderland, Netherlands,
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235
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Shoji M, Kurokawa H, Takahashi N, Sugimura R, Takamizawa T, Iwase K, Katsuki S, Miyazaki M. Evaluation of the effect of a glass ionomer cement containing fluoro-zinc-silicate glass on dentin remineralization using the ultrasonic pulse-echo method. Dent Mater J 2022; 41:560-566. [PMID: 35321976 DOI: 10.4012/dmj.2021-318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The purpose of this study was to investigate the protective effect of a glass ionomer cement (GIC) consisting of fluoro-zinc-silicate glass on the demineralization of bovine dentin using the ultrasonic pulse-echo method. The findings were compared with those obtained using a conventional GIC. Slabs of dentin from bovine teeth were sliced, shaped into a rectangular form, and immersed in 0.5 M ethylenediaminetetraacetic acid solution at 25ºC for 6 days, followed by storage in distilled water for 3 days. After demineralization, they were immersed in artificial saliva with and without the GIC specimens. The propagation times of the longitudinal ultrasonic waves in the samples were measured. The ultrasonic velocities of the fluoro-zinc-silicate glass-containing GICs were significantly increased 2-3 days after the start of the experiment and showed an upward trend thereafter. These findings indicate that the GICs containing fluoro-zinc-silicate glass might exhibit the potential to promote remineralization in the dentin.
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Affiliation(s)
- Mone Shoji
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Hiroyasu Kurokawa
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Nao Takahashi
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Runa Sugimura
- Department of Operative Dentistry, Nihon University School of Dentistry
| | | | - Kei Iwase
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Shun Katsuki
- Department of Operative Dentistry, Nihon University School of Dentistry
| | - Masashi Miyazaki
- Department of Operative Dentistry, Nihon University School of Dentistry
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Bighetti-Trevisan RL, Souza ATP, Tosin IW, Bueno NP, Crovace MC, Beloti MM, Rosa AL, Ferraz EP. Bioactive glass-ceramic for bone tissue engineering: an in vitro and in vivo study focusing on osteoclasts. Braz Oral Res 2022; 36:e022. [PMID: 35293496 DOI: 10.1590/1807-3107bor-2022.vol36.0022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 06/02/2021] [Indexed: 11/22/2022] Open
Abstract
Despite the crucial role of osteoclasts in the physiological process of bone repair, most bone tissue engineering strategies have focused on osteoblast-biomaterial interactions. Although Biosilicate® with two crystalline phases (BioS-2P) exhibits osteogenic properties and significant bone formation, its effects on osteoclasts are unknown. This study aimed to investigate the in vitro and in vivo effects of BioS-2P on osteoclast differentiation and activity. RAW 264.7 cells were cultured in osteoclastogenic medium (OCM) or OCM conditioned with BioS-2P (OCM-BioS-2P), and the cell morphology, viability, and osteoclast differentiation were evaluated. BioS-2P scaffolds were implanted into rat calvarial defects, and the bone tissue was evaluated using tartrate-resistant acid phosphatase (TRAP) staining and RT-polymerase chain reaction (PCR) after 2 and 4 weeks to determine the gene expressions of osteoclast markers and compare them with those of the bone grown in empty defects (Control). OCM-BioS-2P favored osteoclast viability and activity, as evidenced by an increase in the TRAP-positive cells and matrix resorption. The bone tissue grown on BioS-2P scaffolds exhibited higher expression of the osteoclast marker genes (Ctsk, Mmp 9, Rank) after 2 and 4 weeks and the RankL/Opg ratio after 2 weeks. Trap gene expression was lower at 2 weeks, and a higher number of TRAP-stained areas were observed in the newly formed bone on BioS-2P scaffolds at both 2 and 4 weeks compared to the Controls. These results enhanced our understanding of the role of bioactive glass-ceramics in bone repair, and highlighted their role in the modulation of osteoclastic activities and promotion of interactions between bone tissues and biomaterials.
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Affiliation(s)
| | | | - Ingrid Wezel Tosin
- Universidade de São Paulo - USP, School of Dentistry of Ribeirão Preto, Bone Research Lab, Ribeirão Preto, SP, Brazil
| | - Natália Pieretti Bueno
- Universidade de São Paulo - USP, School of Dentistry, Department of Oral and Maxillofacial Surgery, Prosthesis and Traumatology, São Paulo, SP, Brazil
| | - Murilo Camuri Crovace
- Universidade Federal de São Carlos - UFScar, Vitreous Materials Laboratory, São Carlos, SP, Brazil
| | - Marcio Mateus Beloti
- Universidade de São Paulo - USP, School of Dentistry of Ribeirão Preto, Bone Research Lab, Ribeirão Preto, SP, Brazil
| | - Adalberto Luiz Rosa
- Universidade de São Paulo - USP, School of Dentistry of Ribeirão Preto, Bone Research Lab, Ribeirão Preto, SP, Brazil
| | - Emanuela Prado Ferraz
- Universidade de São Paulo - USP, School of Dentistry, Department of Oral and Maxillofacial Surgery, Prosthesis and Traumatology, São Paulo, SP, Brazil
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Cannillo V, Salvatori R, Bergamini S, Bellucci D, Bertoldi C. Bioactive Glasses in Periodontal Regeneration: Existing Strategies and Future Prospects-A Literature Review. MATERIALS 2022; 15:ma15062194. [PMID: 35329645 PMCID: PMC8954447 DOI: 10.3390/ma15062194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/11/2022] [Accepted: 03/13/2022] [Indexed: 12/22/2022]
Abstract
The present review deals with bioactive glasses (BGs), a class of biomaterials renowned for their osteoinductive and osteoconductive capabilities, and thus widely used in tissue engineering, i.e., for the repair and replacement of damaged or missing bone. In particular, the paper deals with applications in periodontal regeneration, with a special focus on in vitro, in vivo and clinical studies. The study reviewed eligible publications, identified on the basis of inclusion/exclusion criteria, over a ranged time of fifteen years (from 1 January 2006 to 31 March 2021). While there are many papers dealing with in vitro tests, only a few have reported in vivo (in animal) research, or even clinical trials. Regardless, BGs seem to be an adequate choice as grafts in periodontal regeneration.
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Affiliation(s)
- Valeria Cannillo
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy;
- Correspondence:
| | - Roberta Salvatori
- Department of Industrial Engineering and BIOtech Research Center, University of Trento, 38123 Trento, Italy;
| | - Stefania Bergamini
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology and Regenerative Medicine Relevance (CHIMOMO), University of Modena and Reggio Emilia, 41124 Modena, Italy; (S.B.); (C.B.)
| | - Devis Bellucci
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy;
| | - Carlo Bertoldi
- Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology and Regenerative Medicine Relevance (CHIMOMO), University of Modena and Reggio Emilia, 41124 Modena, Italy; (S.B.); (C.B.)
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238
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Sol-gel bioactive glass containing biomaterials for restorative dentistry: A review. Dent Mater 2022; 38:725-747. [PMID: 35300871 DOI: 10.1016/j.dental.2022.02.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 02/11/2022] [Accepted: 02/21/2022] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Bioactive glasses (BAGs) have been researched extensively for dentistry due to their favourable biocompatibility and hard tissue bonding ability. However, the specific application of BAGs produced through sol-gel synthesis in restorative dentistry has not been reviewed previously. This review provides a comprehensive account of the principles behind sol-gel derived BAGs and their investigation for dental tissue restoration materials. METHODS A search for in vitro and in vivo studies was performed using the databases Web of Science®, Medline®, Scopus® and Google Scholar®. Articles published over the past 20 years were selected and data on the BAG composition and morphology was extracted. Analysis of the effect of specific BAG additives on the properties of experimental dental materials was also performed. RESULTS A majority of BAG particles investigated were spheres ranging in size from 5 nm to ~650 µm. Sol-gel BAGs are mainly applied in the treatment of hypersensitive dentine and for pulp-dentine tissue engineering, while a handful have been used in target drug delivery. BAG fillers are promising additives that result in improved biological properties, antibacterial effects, hardness, acid buffering and remineralization. Unfortunately, some detrimental effects on optical properties have been observed with BAG addition. Additionally, in vivo data, investigations into radiopacity and standardization of test protocols are identified as areas for improvement and further studies. SIGNIFICANCE Future work should consider the pertinent issues raised in order to improve the quality of available data and expand knowledge in this area of dental biomaterials research and development.
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Ju Q, Zenji T, Maçon ALB, Norris E, Poologasundarampillai G, Obata A, Jones JR, Kasuga T. Silver-doped calcium silicate sol-gel glasses with a cotton-wool-like structure for wound healing. BIOMATERIALS ADVANCES 2022; 134:112561. [PMID: 35523641 DOI: 10.1016/j.msec.2021.112561] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/18/2021] [Accepted: 11/20/2021] [Indexed: 06/14/2023]
Abstract
Skin has excellent capacity to regenerate, however, in the event of a large injury or burn skin grafts are required to aid wound healing. The regenerative capacity further declines with increasing age and can be further exacerbated with bacterial infection leading to a chronic wound. Engineered skin substitutes can be used to provide a temporary template for the damaged tissue, to prevent/combat bacterial infection and promote healing. In this study, the sol-gel process and electrospinning were combined to fabricate 3D cotton-wool-like sol-gel bioactive glass fibers that mimic the fibrous architecture of skin extracellular matrix (ECM) and deliver metal ions for antibacterial (silver) and therapeutic (calcium and silica species) actions for successful healing of wounds. This study investigated the effects of synthesis and process parameters, in particular sintering temperature on the fiber morphology, the incorporation and distribution of silver and the degradation rate of fibers. Silver nitrate was found to decompose into silver nanoparticles within the glass fibers upon calcination. Furthermore, with increasing calcination temperature the nanoparticles increased in size from 3 nm at 600 °C to ~25 nm at 800 °C. The antibacterial ability of the Ag-doped glass fibers decreased as a function of the glass calcination temperature. The degradation products from the Ag-doped 3D non-woven sol-gel glass fibers were also found to promote fibroblast proliferation thus demonstrating their potential for use in skin regeneration.
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Affiliation(s)
- Qun Ju
- Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Takuya Zenji
- Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Anthony L B Maçon
- Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Elizabeth Norris
- Department of Materials, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - Gowsihan Poologasundarampillai
- School of Dentistry, Institute of Clinical Sciences, University of Birmingham, 5 Mil Pool Way, Edgbaston, Birmingham B5 7EG, UK
| | - Akiko Obata
- Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan.
| | - Julian R Jones
- Department of Materials, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - Toshihiro Kasuga
- Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
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Yu Y, Yang B, Tian D, Liu J, Yu A, Wan Y. Thiolated hyaluronic acid/silk fibroin dual-network hydrogel incorporated with bioglass nanoparticles for wound healing. Carbohydr Polym 2022; 288:119334. [DOI: 10.1016/j.carbpol.2022.119334] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/30/2022] [Accepted: 03/07/2022] [Indexed: 12/18/2022]
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Łukowicz K, Zagrajczuk B, Truchan K, Niedzwiedzki Ł, Cholewa-Kowalska K, Osyczka AM. Chemical Compounds Released from Specific Osteoinductive Bioactive Materials Stimulate Human Bone Marrow Mesenchymal Stem Cell Migration. Int J Mol Sci 2022; 23:ijms23052598. [PMID: 35269740 PMCID: PMC8909964 DOI: 10.3390/ijms23052598] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/15/2022] [Accepted: 02/23/2022] [Indexed: 01/12/2023] Open
Abstract
In this work, a poly(L-lactide-co-glycolide) (PLGA)-based composite was enriched with one of the following sol-gel bioactive glasses (SBG) at 50 wt.%: A1—40 mol% SiO2, 60 mol% CaO, CaO/SiO2 ratio of 1.50; S1—80 mol% SiO2, 20 mol% CaO, CaO/SiO2 ratio of 0.25; A2—40 mol% SiO2, 54 mol% CaO, 6 mol% P2O5, CaO/SiO2 ratio of 1.35; S2—80 mol% SiO2,16 mol% CaO, 4 mol% P2O5, CaO/SiO2 ratio of 0.20. The composites and PLGA control sheets were then soaked for 24 h in culture media, and the obtained condition media (CM) were used to treat human bone marrow stromal cells (hBMSCs) for 72 h. All CMs from the composites increased ERK 1/2 activity vs. the control PLGA CM. However, expressions of cell migration-related c-Fos, osteopontin, matrix metalloproteinase-2, C-X-C chemokine receptor type 4, vascular endothelial growth factor, and bone morphogenetic protein 2 were significantly increased only in cells treated with the CM from the A1/PLGA composite. This CM also significantly increased the rate of human BMSC migration but did not affect cell metabolic activity. These results indicate important biological markers that are upregulated by products released from the bioactive composites of a specific chemical composition, which may eventually prompt osteoprogenitor cells to colonize the bioactive material and accelerate the process of tissue regeneration.
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Affiliation(s)
- Krzysztof Łukowicz
- Department Biology and Cell Imaging, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland; (K.Ł.); (K.T.)
| | - Barbara Zagrajczuk
- Department of Glass Technology and Amorphous Coatings, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza Ave. 30, 30-059 Krakow, Poland; (B.Z.); (K.C.-K.)
| | - Karolina Truchan
- Department Biology and Cell Imaging, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland; (K.Ł.); (K.T.)
| | - Łukasz Niedzwiedzki
- Department of Orthopedics and Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, Kopernika 19e, 31-501 Krakow, Poland;
| | - Katarzyna Cholewa-Kowalska
- Department of Glass Technology and Amorphous Coatings, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza Ave. 30, 30-059 Krakow, Poland; (B.Z.); (K.C.-K.)
| | - Anna M. Osyczka
- Department Biology and Cell Imaging, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland; (K.Ł.); (K.T.)
- Correspondence:
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Kuo YJ, Chen CH, Dash P, Lin YC, Hsu CW, Shih SJ, Chung RJ. Angiogenesis, Osseointegration, and Antibacterial Applications of Polyelectrolyte Multilayer Coatings Incorporated With Silver/Strontium Containing Mesoporous Bioactive Glass on 316L Stainless Steel. Front Bioeng Biotechnol 2022; 10:818137. [PMID: 35223788 PMCID: PMC8879691 DOI: 10.3389/fbioe.2022.818137] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/21/2022] [Indexed: 12/29/2022] Open
Abstract
The main causes for failure in implant surgery are prolonged exposure of implants or wound and tissue ischemia. Bacterial infection caused by the surrounding medical environment and equipment is also a major risk factor. The medical risk would be greatly reduced if we could develop an implant coating to guide tissue growth and promote antibacterial activity. Mesoporous bioactive glasses are mainly silicates with good osteoinductivity and have been used in medical dentistry and orthopedics for several decades. Strontium ions and silver ions could plausibly be incorporated into bioactive glass to achieve the required function. Strontium ions are trace elements in human bone that have been proposed to promote osseointegration and angiogenesis. Silver ions can cause bacterial apoptosis through surface charge imbalance after bonding to the cell membrane. In this study, functional polyelectrolyte multilayer (PEM) coatings were adhered to 316L stainless steel (SS) by spin coating. The multilayer film was composed of biocompatible and biodegradable collagen as a positively charged layer, γ-polyglutamic acid (γ-PGA) as a negatively charged layer. Chitosan was incorporated to the 11th positively charged layer as a stabilizing barrier. Spray pyrolysis prepared mesoporous bioactive glass incorporated with silver and strontium (AgSrMBG) was added to each negatively charged layer. The PEM/AgSrMBG coating was well hydrophilic with a contact angle of 37.09°, hardness of 0.29 ± 0.09 GPa, Young’s modulus of 5.35 ± 1.55 GPa, and roughness of 374.78 ± 22.27 nm, as observed through nano-indention and white light interferometry. The coating’s antibacterial activity was sustained for 1 month through the inhibition zone test, and was biocompatible with rat bone marrow mesenchymal stem cells (rBMSCs) and human umbilical vein endothelial cells (HUVECs), as observed in the MTT assay. There was more hydroxyapatite precipitation on the PEM/AgSrMBG surface after being soaked in simulated body fluid (SBF), as observed by scanning electron microscopy (SEM) and X-ray diffraction (XRD). In both in vitro and in vivo tests, the PEM/AgSrMBG coating promoted angiogenesis, osseointegration, and antibacterial activity due to the sustained release of silver and strontium ions.
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Affiliation(s)
- Yi-Jie Kuo
- Department of Orthopedic Surgery, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan
- Department of Orthopedic Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chia-Hsien Chen
- Department of Orthopedic Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Orthopedic Surgery, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Pranjyan Dash
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, Taiwan
| | - Yu-Chien Lin
- Department of Materials, Imperial College London, London, United Kingdom
| | - Chih-Wei Hsu
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, Taiwan
| | - Shao-Ju Shih
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei, Taiwan
- *Correspondence: Ren-Jei Chung,
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Toledano M, Toledano-Osorio M, Hannig M, Carrasco-Carmona Á, Osorio MT, García-Godoy F, Cabello I, Osorio R. Zn-containing Adhesives Facilitate Collagen Protection and Remineralization at the Resin-Dentin Interface: A Narrative Review. Polymers (Basel) 2022; 14:polym14030642. [PMID: 35160631 PMCID: PMC8840460 DOI: 10.3390/polym14030642] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/02/2022] [Accepted: 02/04/2022] [Indexed: 12/29/2022] Open
Abstract
This is a narrative review of the literature assessing the potential effectiveness of doping dentin polymeric adhesives with zinc compounds in order to improve bonding efficacy, remineralization and protection against degradation. A literature search was conducted using electronic databases, such as PubMed, MEDLINE, DIMDI and Web of Science. Through our search, we found literature demonstrating that Zn-doped dentin adhesives promote protection and remineralization of the resin-dentin interfaces. The increased bioactivity has also facilitated dentinal tubules' occlusion by crystals' precipitation contributing to improved sealing efficacy of restorations. Loading dentin adhesives with zinc gives rise to an increase of both crystallinity of mineral and crosslinking of collagen. The main role of zinc, in dentin adhesives, is to inhibit collagen proteolysis. We concluded that zinc exerts a protective effect through binding at the collagen-sensitive cleavage sites of matrix-metalloproteinases (MMPs), contributing to dentin matrix stabilization. Zinc may not only act as a MMPs inhibitor, but also influence signaling pathways and stimulate metabolic effects in dentin mineralization and remineralization processes. Zn-doped adhesives increase the longevity of dentin bonding through MMPs inhibition. Zn poses a remineralization strategy in demineralized dentin.
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Affiliation(s)
- Manuel Toledano
- Faculty of Dentistry, Colegio Máximo de Cartuja s/n, University of Granada, 18017 Granada, Spain; (M.T.); (Á.C.-C.); (R.O.)
| | - Manuel Toledano-Osorio
- Faculty of Dentistry, Colegio Máximo de Cartuja s/n, University of Granada, 18017 Granada, Spain; (M.T.); (Á.C.-C.); (R.O.)
- Correspondence: ; Tel.: +34-958-243-789
| | - Matthias Hannig
- Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, University Hospital, Saarland University, Building 73, 66421 Homburg/Saar, Germany;
| | - Álvaro Carrasco-Carmona
- Faculty of Dentistry, Colegio Máximo de Cartuja s/n, University of Granada, 18017 Granada, Spain; (M.T.); (Á.C.-C.); (R.O.)
| | | | - Franklin García-Godoy
- Health Science Center, College of Dentistry, University of Tennessee, 875 Union Avenue, Memphis, TN 381632110, USA;
| | - Inmaculada Cabello
- Integral Pediatric Dentistry Teaching Unit, Faculty of Medicine, University of Murcia, 30008 Murcia, Spain;
- Murcian Institute of Biosanitary Research (IMIB), 30120 Murcia, Spain
| | - Raquel Osorio
- Faculty of Dentistry, Colegio Máximo de Cartuja s/n, University of Granada, 18017 Granada, Spain; (M.T.); (Á.C.-C.); (R.O.)
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Stuart B, Stan G, Popa A, Carrington M, Zgura I, Necsulescu M, Grant D. New solutions for combatting implant bacterial infection based on silver nano-dispersed and gallium incorporated phosphate bioactive glass sputtered films: A preliminary study. Bioact Mater 2022; 8:325-340. [PMID: 34541404 PMCID: PMC8427212 DOI: 10.1016/j.bioactmat.2021.05.055] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 05/29/2021] [Accepted: 05/29/2021] [Indexed: 12/26/2022] Open
Abstract
Ag/Ga were incorporated into resorbable orthopaedic phosphate bioactive glasses (PBG, containing P, Ca, Mg, Na, and Fe) thin films to demonstrate their potential to limit growth of Staphylococcus aureus and Escherichia coli in post-operative prosthetic implantation. Dual target consecutive co-sputtering was uniquely employed to produce a 46 nm Ag:PBG composite observed by high resolution TEM to consist of uniformly dispersed ~5 nm metallic Ag nano-particles in a glass matrix. Ga3+ was integrated into a phosphate glass preform target which was magnetron sputtered to film thicknesses of ~400 or 1400 nm. All coatings exhibited high surface energy of 75.4-77.3 mN/m, attributed to the presence of hydrolytic P-O-P structural surface bonds. Degradation profiles obtained in deionized water, nutrient broth and cell culture medium showed varying ion release profiles, whereby Ga release was measured in 1400 nm coating by ICP-MS to be ~6, 27, and 4 ppm respectively, fully dissolving by 24 h. Solubility of Ag nanoparticles was only observed in nutrient broth (~9 ppm by 24 h). Quantification of colony forming units after 24 h showed encouraging antibacterial efficacy towards both S. aureus (4-log reduction for Ag:PBG and 6-log reduction for Ga-PBG≈1400 nm) and E. coli (5-log reduction for all physical vapour deposited layers) strains. Human Hs27 fibroblast and mesenchymal stem cell line in vitro tests indicated good cytocompatibility for all sputtered layers, with a marginal cell proliferation inertia in the case of the Ag:PBG composite thin film. The study therefore highlights the (i) significant manufacturing development via the controlled inclusion of metallic nanoparticles into a PBG glass matrix by dual consecutive target co-sputtering and (ii) potential of PBG resorbable thin-film structures to incorporate and release cytocompatible/antibacterial oxides. Both architectures showed prospective bio-functional performance for a future generation of endo-osseous implant-type coatings.
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Affiliation(s)
- B.W. Stuart
- Advanced Materials Research Group, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, UK
| | - G.E. Stan
- National Institute of Materials Physics, Magurele, RO, 077125, Romania
| | - A.C. Popa
- National Institute of Materials Physics, Magurele, RO, 077125, Romania
- Army Centre for Medical Research, Bucharest, RO, 010195, Romania
| | - M.J. Carrington
- Advanced Materials Research Group, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, UK
| | - I. Zgura
- National Institute of Materials Physics, Magurele, RO, 077125, Romania
| | - M. Necsulescu
- Army Centre for Medical Research, Bucharest, RO, 010195, Romania
| | - D.M. Grant
- Advanced Materials Research Group, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, UK
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Comparison of Effects of Calcium and Magnesium Doping on the Structure and Biological Properties of NaTaO3 Film on Tantalum. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-021-02209-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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246
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Mesoporous Bioglasses Enriched with Bioactive Agents for Bone Repair, with a Special Highlight of María Vallet-Regí’s Contribution. Pharmaceutics 2022; 14:pharmaceutics14010202. [PMID: 35057097 PMCID: PMC8778065 DOI: 10.3390/pharmaceutics14010202] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/05/2022] [Accepted: 01/13/2022] [Indexed: 02/04/2023] Open
Abstract
Throughout her impressive scientific career, Prof. María Vallet-Regí opened various research lines aimed at designing new bioceramics, including mesoporous bioactive glasses for bone tissue engineering applications. These bioactive glasses can be considered a spin-off of silica mesoporous materials because they are designed with a similar technical approach. Mesoporous glasses in addition to SiO2 contain significant amounts of other oxides, particularly CaO and P2O5 and therefore, they exhibit quite different properties and clinical applications than mesoporous silica compounds. Both materials exhibit ordered mesoporous structures with a very narrow pore size distribution that are achieved by using surfactants during their synthesis. The characteristics of mesoporous glasses made them suitable to be enriched with various osteogenic agents, namely inorganic ions and biopeptides as well as mesenchymal cells. In the present review, we summarize the evolution of mesoporous bioactive glasses research for bone repair, with a special highlight on the impact of Prof. María Vallet-Regí´s contribution to the field.
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Tamay DG, Gokyer S, Schmidt J, Vladescu A, Yilgor Huri P, Hasirci V, Hasirci N. Corrosion Resistance and Cytocompatibility of Magnesium-Calcium Alloys Modified with Zinc- or Gallium-Doped Calcium Phosphate Coatings. ACS APPLIED MATERIALS & INTERFACES 2022; 14:104-122. [PMID: 34958199 DOI: 10.1021/acsami.1c16307] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In orthopedic surgery, metals are preferred to support or treat damaged bones due to their high mechanical strength. However, the necessity for a second surgery for implant removal after healing creates problems. Therefore, biodegradable metals, especially magnesium (Mg), gained importance, although their extreme susceptibility to galvanic corrosion limits their applications. The focus of this study was to control the corrosion of Mg and enhance its biocompatibility. For this purpose, surfaces of magnesium-calcium (MgCa1) alloys were modified with calcium phosphate (CaP) or CaP doped with zinc (Zn) or gallium (Ga) via microarc oxidation. The effects of surface modifications on physical, chemical, and mechanical properties and corrosion resistance of the alloys were studied using surface profilometry, goniometry, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), nanoindentation, and electrochemical impedance spectroscopy (EIS). The coating thickness was about 5-8 μm, with grain sizes of 43.1 nm for CaP coating and 28.2 and 58.1 nm for Zn- and Ga-doped coatings, respectively. According to EIS measurements, the capacitive response (Yc) decreased from 11.29 to 8.72 and 0.15 Ω-1 cm-2 sn upon doping with Zn and Ga, respectively. The Ecorr value, which was -1933 mV for CaP-coated samples, was found significantly electropositive at -275 mV for Ga-doped ones. All samples were cytocompatible according to indirect tests. In vitro culture with Saos-2 cells led to changes in the surface compositions of the alloys. The numbers of cells attached to the Zn-doped (2.6 × 104 cells/cm2) and Ga-doped (6.3 × 104 cells/cm2) coatings were higher than that on the surface of the undoped coating (1.0 × 103 cells/cm2). Decreased corrosivity and enhanced cell affinity of the modified MgCa alloys (CaP coated and Zn and Ga doped, with Ga-doped ones having the greatest positive effect) make them novel and promising candidates as biodegradable metallic implant materials for the treatment of bone damages and other orthopedic applications.
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Affiliation(s)
- Dilara Goksu Tamay
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University (METU), Ankara 06800, Turkey
- Department of Biotechnology, Middle East Technical University (METU), Ankara 06800, Turkey
| | - Seyda Gokyer
- Department of Biomedical Engineering, Ankara University, Ankara 06830, Turkey
| | - Jürgen Schmidt
- Team Leader Electrochemistry, INNOVENT e.V. Technology Development, Prüssingstraße 27b, Jena 07745, Germany
| | - Alina Vladescu
- National Institute of Research and Development for Optoelectronics - INOE 2000, 409 Atomistilor St., Magurele 077125, Romania
- Physical Materials Science and Composite Materials Centre, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Lenin Avenue 43, Tomsk 634050, Russia
| | - Pinar Yilgor Huri
- Department of Biomedical Engineering, Ankara University, Ankara 06830, Turkey
| | - Vasif Hasirci
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University (METU), Ankara 06800, Turkey
- Department of Medical Engineering, Acibadem Mehmet Ali Aydinlar University, Istanbul 34684, Turkey
- Biomaterials Center, Acibadem Mehmet Ali Aydinlar University, Istanbul 34684, Turkey
| | - Nesrin Hasirci
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University (METU), Ankara 06800, Turkey
- Department of Biotechnology, Middle East Technical University (METU), Ankara 06800, Turkey
- Department of Chemistry, Middle East Technical University, Ankara 06800, Turkey
- Tissue Engineering and Biomaterial Research Center, Near East University, 99138 Nicosia, TRNC, Mersin 10, Turkey
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248
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Garrido B, Albaladejo-Fuentes V, Cano IG, Dosta S. Development of Bioglass/PEEK Composite Coating by Cold Gas Spray for Orthopedic Implants. JOURNAL OF THERMAL SPRAY TECHNOLOGY 2022; 31:186-196. [PMID: 37520904 PMCID: PMC8747443 DOI: 10.1007/s11666-021-01312-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 05/05/2023]
Abstract
Cold gas spray (CGS) technology has allowed the development of biofunctional coatings composed of 45S5 and polyetheretherketone (PEEK). The combination of a bioactive glass material embedded in a polymeric matrix makes this composite an interesting material for orthopedic applications since this composite meets the biomechanical and biological requirements of an implant. In the present study, blends of bioactive glass 45S5 and PEEK powder with different granulometry and 45S5/PEEK ratio have been prepared. These mixtures of powders have been deposited onto PEEK substrates by CGS with the goal of incorporating a bioactive additive to the biocompatible polymer, which can improve the bone-implant interaction of PEEK. The deposition efficiency (DE) of the coatings has been evaluated, and from the results obtained, it was possible to conclude that DE is significantly affected by the granulometry and by the 45S5/PEEK ratio of the blends. By scanning electron microscopy (SEM) inspection, it was observed that the use of blends with high 45S5/PEEK ratio lead to the deposition of coatings with high content of 45S5. Finally, the friction behavior of the coatings was analyzed performing ball-on-disk tests and these experiments showed that the presence of glass particles has a beneficial role in the wear resistance.
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Affiliation(s)
- B. Garrido
- Department of Materials Science and Physical Chemistry, University of Barcelona, Martí i Franquès, 1-1, 08028 Barcelona, Spain
| | - V. Albaladejo-Fuentes
- Department of Materials Science and Physical Chemistry, University of Barcelona, Martí i Franquès, 1-1, 08028 Barcelona, Spain
| | - I. G. Cano
- Department of Materials Science and Physical Chemistry, University of Barcelona, Martí i Franquès, 1-1, 08028 Barcelona, Spain
| | - S. Dosta
- Department of Materials Science and Physical Chemistry, University of Barcelona, Martí i Franquès, 1-1, 08028 Barcelona, Spain
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249
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Nanocomposite electrospun fibers of poly(ε-caprolactone)/bioactive glass with shape memory properties. Bioact Mater 2022; 11:230-239. [PMID: 34977428 PMCID: PMC8668438 DOI: 10.1016/j.bioactmat.2021.09.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 02/06/2023] Open
Abstract
Electrospun fibers of shape memory triethoxysilane-terminated poly(epsilon-caprolactone) (PCL-TES) loaded with bioactive glasses (BG) are here presented. Unloaded PCL-TES, as well as PCL/BG nanocomposite fibers, are also considered for comparison. It is proposed that hydrolysis and condensation reactions take place between triethoxysilane groups of the polymer and the silanol groups at the BG particle surface, thus generating additional crosslinking points with respect to those present in the PCL-TES system. The as-spun PCL-TES/BG fibers display excellent shape memory properties, in terms of shape fixity and shape recovery ratios, without the need of a thermal crosslinking treatment. BG particles confer in vitro bioactivity to PCL-based nanocomposite fibers and favor the precipitation of hydroxycarbonate apatite on the fiber surface. Preliminary cytocompatibility tests demonstrate that the addition of BG particles to PCL-based polymer does not inhibit ST-2 cell viability. This novel approach of using bioactive glasses not only for their biological properties, but also for the enhancement of shape memory properties of PCL-based polymers, widens the versatility and suitability of the obtained composite fibers for a huge portfolio of biomedical applications.
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250
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Yuan X, Xu Y, Lu T, He F, Zhang L, He Q, Ye J. Enhancing the bioactivity of hydroxyapatite bioceramic via encapsulating with silica-based bioactive glass sol. J Mech Behav Biomed Mater 2022; 128:105104. [DOI: 10.1016/j.jmbbm.2022.105104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 01/17/2022] [Accepted: 01/23/2022] [Indexed: 10/19/2022]
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