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Singh P, Dubey AK. Accelerated Osteogenic Response of Electrodynamically Stimulated Mg 1-xCa xSi 1-xZr xO 3 ( x = 0-0.4) Bioelectrets. ACS Biomater Sci Eng 2023; 9:6293-6308. [PMID: 37877692 DOI: 10.1021/acsbiomaterials.3c00955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
MgSiO3-based biodegradable ceramics demonstrated remarkable potential for treating small-scale bone defects and temporary bone replacement. In addition, the dissolution behavior of MgSiO3 bioceramics can be tuned by doping of Ca and Zr elements at Mg and Si sites, respectively. The present study reported the influence of formation of Ca- and Zr-codoped Mg1-xCaxSi1-xZrxO3 (x = 0, 0.1, 0.2, 0.3, and 0.4) bioelectrets and electrodynamic stimulation toward improving their osteogenic response. Mg1-xCaxSi1-xZrxO3 electrets were successfully synthesized by a solid-state route. A detailed X-ray photoelectron spectroscopy (XPS) analyses revealed that the electrets produced oxygen-deficient active sites. The formation of Mg1-xCaxSi1-xZrxO3 electrets significantly increased the surface hydrophilicity. Inductively coupled plasma (ICP) analyses were used to examine the leaching behavior of Ca/Zr-codoped MgSiO3 bioceramics. In vitro cell culture analyses indicated that the osteogenesis of MG-63 cells was remarkably enhanced on the electrodynamic field-treated Mg1-xCaxSi1-xZrxO3 bioelectrets as compared to hydroxyapatite (HA). Moreover, a better osteogenic response was observed for higher concentrations of Ca (0.3 and 0.4) and Zr (0.3 and 0.4) doping in the MgSiO3 bioelectrets. Further, the mechanism of enhanced cellular functionality was revealed by the measurement of intracellular Ca2+.
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Affiliation(s)
- Priya Singh
- Department of Ceramic Engineering, Indian Institute of Technology (BHU) Varanasi, Varanasi 221005, India
| | - Ashutosh Kumar Dubey
- Department of Ceramic Engineering, Indian Institute of Technology (BHU) Varanasi, Varanasi 221005, India
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2
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Pajares-Chamorro N, Hernández-Escobar S, Wagley Y, Acevedo P, Cramer M, Badylak S, Hammer ND, Hardy J, Hankenson K, Chatzistavrou X. Silver-releasing bioactive glass nanoparticles for infected tissue regeneration. BIOMATERIALS ADVANCES 2023; 154:213656. [PMID: 37844416 DOI: 10.1016/j.bioadv.2023.213656] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 09/30/2023] [Accepted: 10/06/2023] [Indexed: 10/18/2023]
Abstract
Bacterial infections represent a formidable challenge, often leaving behind significant bone defects post-debridement and necessitating prolonged antibiotic treatments. The rise of antibiotic-resistant bacterial strains further complicates infection management. Bioactive glass nanoparticles have been presented as a promising substitute for bone defects and as carriers for therapeutic agents against microorganisms. Achieving consistent incorporation of ions into BGNs has proven challenging and restricted to a maximum ion concentration, especially when reducing the particle size. This study presents a notable achievement in the synthesis of 10 nm-sized Ag-doped bioactive glass nanoparticles (Ag-BGNs) using a modified yet straightforward Stöber method. The successful incorporation of essential elements, including P, Ca, Al, and Ag, into the glass structure at the intended concentrations (i.e., CaO wt% above 20 %) was confirmed by EDS, signifying a significant advancement in nanoscale biomaterial engineering. While exhibiting a spherical morphology and moderate dispersity, these nanoparticles tend to form submicron-sized aggregates outside of a solution state. The antibacterial effectiveness against MRSA was established across various experimental conditions, with Ag-BGNs effectively sterilizing planktonic bacteria without the need for antibiotics. Remarkably, when combined with oxacillin or fosfomycin, Ag-BGNs demonstrated a potent synergistic effect, restoring antibacterial capabilities against MRSA strains resistant to these antibiotics when used alone. Ag-BGNs exhibited potential in promoting human mesenchymal stromal cell proliferation, inducing the upregulation of osteoblast gene markers, and significantly contributing to bone regeneration in mice. This innovative synthesis protocol holds substantial promise for the development of biomaterials dedicated to the regeneration of infected tissue.
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Affiliation(s)
- Natalia Pajares-Chamorro
- Department of Chemical Engineering and Material Science, College of Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - Sandra Hernández-Escobar
- Department of Chemical Engineering and Material Science, College of Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - Yadav Wagley
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48103, USA
| | - Parker Acevedo
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48103, USA
| | - Madeline Cramer
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Stephen Badylak
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Neal D Hammer
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA
| | - Jonathan Hardy
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA; Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, MI 48824, USA
| | - Kurt Hankenson
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48103, USA
| | - Xanthippi Chatzistavrou
- Department of Chemical Engineering and Material Science, College of Engineering, Michigan State University, East Lansing, MI 48824, USA; Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
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Pajares-Chamorro N, Lensmire JM, Hammer ND, Hardy JW, Chatzistavrou X. Unraveling the mechanisms of inhibition of silver-doped bioactive glass-ceramic particles. J Biomed Mater Res A 2022; 111:975-994. [PMID: 36583930 DOI: 10.1002/jbm.a.37482] [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: 06/06/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/31/2022]
Abstract
Infections are a major concern in orthopedics. Antibacterial agents such as silver ions are of great interest as broad-spectrum biocides and have been incorporated into bioactive glass-ceramic particles to control the release of ions within a therapeutic concentration and provide tissue regenerative properties. In this work, the antibacterial capabilities of silver-doped bioactive glass (Ag-BG) microparticles were explored to reveal the unedited mechanisms of inhibition against methicillin-resistant Staphylococcus aureus (MRSA). The antibacterial properties were not limited to the delivery of silver ions but rather a combination of antibacterial degradation by-products. For example, nano-sized debris punctured holes in bacteria membranes, osmotic effects, and reactive oxygen species causing oxidative stress and almost 40% of the inhibition. Upon successive Ag-BG treatments, MRSA underwent phenotypic and genomic mutations which were not only insufficient to develop resistance but instead, the clones became more sensitive as the treatment was re-delivered. Additionally, the unprecedented restorative functionality of Ag-BG allowed the effective use of antibiotics that MRSA resists. The synergy mechanism was mainly identified for combinations targeting cell-wall activity and their action was proven in biofilm-like and virulent conditions. Unraveling these mechanisms may offer new insights into how to tailor healthcare materials to prevent or debilitate infections and join the fight against antibiotic resistance in clinical cases.
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Affiliation(s)
- Natalia Pajares-Chamorro
- Department of Chemical Engineering and Material Science, College of Engineering, Michigan State University, East Lansing, Michigan, USA
| | - Josh M Lensmire
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Neal D Hammer
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA
| | - Jonathan W Hardy
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, USA.,Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, Michigan, USA
| | - Xanthippi Chatzistavrou
- Department of Chemical Engineering and Material Science, College of Engineering, Michigan State University, East Lansing, Michigan, USA.,Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Pajares-Chamorro N, Wagley Y, Maduka CV, Youngstrom DW, Yeger A, Badylak SF, Hammer ND, Hankenson K, Chatzistavrou X. Silver-doped bioactive glass particles for in vivo bone tissue regeneration and enhanced methicillin-resistant Staphylococcus aureus (MRSA) inhibition. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 120:111693. [PMID: 33545854 PMCID: PMC8168684 DOI: 10.1016/j.msec.2020.111693] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 10/27/2020] [Accepted: 10/30/2020] [Indexed: 11/18/2022]
Abstract
Infection is a significant risk factor for failed healing of bone and other tissues. We have developed a sol-gel (solution-gelation) derived bioactive glass doped with silver ions (Ag-BG), tailored to provide non-cytotoxic antibacterial activity while significantly enhancing osteoblast-lineage cell growth in vitro and bone regeneration in vivo. Our objective was to engineer a biomaterial that combats bacterial infection while maintaining the capability to promote bone growth. We observed that Ag-BG inhibits bacterial growth and potentiates the efficacy of conventional antibiotic treatment. Ag-BG microparticles enhance cell proliferation and osteogenic differentiation in human bone marrow stromal cells (hBMSC) in vitro. Moreover, in vivo tests using a calvarial defect model in mice demonstrated that Ag-BG microparticles induce bone regeneration. This novel system with dual biological and advanced antibacterial properties is a promising therapeutic for combating resistant bacteria while triggering new bone formation.
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Affiliation(s)
- Natalia Pajares-Chamorro
- Department of Chemical Engineering and Materials Science, College of Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - Yadav Wagley
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48103, USA
| | - Chima V Maduka
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48103, USA; Institute for Quantitative Health Sciences and Technology, Michigan State University, East Lansing, MI 48824, USA; Comparative Medicine and Integrative Biology, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA
| | - Daniel W Youngstrom
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48103, USA
| | - Alyssa Yeger
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48103, USA
| | - Stephen F Badylak
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Neal D Hammer
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA
| | - Kurt Hankenson
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, MI 48103, USA
| | - Xanthippi Chatzistavrou
- Department of Chemical Engineering and Materials Science, College of Engineering, Michigan State University, East Lansing, MI 48824, USA.
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Marzban K, Rabiee SM, Zabihi E, Bagherifard S. Nanostructured akermanite glass-ceramic coating on Ti6Al4V for orthopedic applications. J Appl Biomater Funct Mater 2018; 17:2280800018793819. [PMID: 30139276 DOI: 10.1177/2280800018793819] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Glass ceramics are widely used to enhance the functionality of inert metallic materials typically used for hard-tissue engineering. Biofunctionality of glass ceramics can in turn be significantly boosted with the addition of trace element dopants. Herein, we synthesized a nanostructured glass ceramic and used magnesium (Mg), which is known to promote osteoblast adhesion and proliferation, for further functionalization. The nanostructured akermanite glass ceramic (Ca2MgSi2O7) was used to coat Ti6Al4V substrates by the sol-gel method. Scanning and transmission electron microscopy as well as X-ray diffraction were used to assess the structural morphology and phase composition of the coating, respectively. The micrographs showed a uniform and crack-free coating structure. Atomic force microscopy observation revealed a disordered surface roughness for coated samples. In vitro cytocompatibility tests revealed that Saos-2 cells cultured on bare samples adopted a rounded morphology, whereas cells cultured on the coated samples represented a more spread out configuration and also increased proliferation. The characterizing tests confirmed the efficiency of the synthesis method and the in vitro biocompatibility of the synthesized coating, indicating its suitability to be used for bone implants.
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Affiliation(s)
- Kazem Marzban
- 1 Department of Medical Engineering, Qaemshar Islamic Azad University, Qaemshar, Iran
| | - Sayed Mahmood Rabiee
- 2 Department of Materials Engineering, Babol Noshirvani University of Technology, Babol, Iran
| | - Ebrahim Zabihi
- 3 Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran
| | - Sara Bagherifard
- 4 Department of Mechanical Engineering, Politecnico di Milano, Milan, Italy
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Sanmartin de Almeida M, Fernandes GVDO, de Oliveira AM, Granjeiro JM. Calcium silicate as a graft material for bone fractures: a systematic review. J Int Med Res 2018; 46:2537-2548. [PMID: 29848121 PMCID: PMC6124267 DOI: 10.1177/0300060518770940] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Objective The goal of this review was to determine whether calcium silicate (wollastonite) as a bone graft material is a viable alternative to autogenous bone or whether the evidence base for its use is weak. Methods In this systematic review, electronic databases (MEDLINE/PubMed and BVS) were searched for relevant articles in indexed journals. Articles published in a 10-year period were identified (n = 48). After initial selection, 17 articles were assessed for eligibility; subsequently, seven articles were excluded and 10 articles were included. Results Among the studies included, 20% emphasized the importance of randomization, which adds reliability to the study, minimizing the risk of bias. High variability was observed in the material used, such as additives, amounts, dosage, and chemical alterations, rendering direct comparison among these studies impossible. The experimental periods varied considerably; one of the studies did not include statistical analysis, weakening the evaluation. Nonetheless, the true potential of wollastonite as a graft material conducive to new bone formation was reported in all studies. Conclusion The results support the use of wollastonite as a bone graft material. The initial research question was answered despite the significant variability observed among these preclinical studies, which hindered the precision of this analysis.
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Affiliation(s)
| | | | | | - José Mauro Granjeiro
- 1 Federal Fluminense University, Niterói, RJ, Brazil.,3 Quality and Technology Department, National Institute of Metrology, Rio de Janeiro, RJ, Brazil
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Zhou X, Zhang N, Mankoci S, Sahai N. Silicates in orthopedics and bone tissue engineering materials. J Biomed Mater Res A 2017; 105:2090-2102. [DOI: 10.1002/jbm.a.36061] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Revised: 02/06/2017] [Accepted: 03/03/2017] [Indexed: 11/05/2022]
Affiliation(s)
- Xianfeng Zhou
- Department of Polymer ScienceUniversity of Akron Ohio44325
- School of Polymer Science and EngineeringQingdao University of Science and TechnologyQingdao Shandong Province266042 China
| | - Nianli Zhang
- Department of Biologic and Materials SciencesUniversity of MichiganAnn ArborMichigan 48109
| | - Steven Mankoci
- Department of Polymer ScienceUniversity of Akron Ohio44325
| | - Nita Sahai
- Department of Polymer ScienceUniversity of Akron Ohio44325
- Integrated Bioscience Program and Department of GeologyUniversity of Akron Ohio44325
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8
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Screening of Cytotoxic B. cereus on Differentiated Caco-2 Cells and in Co-Culture with Mucus-Secreting (HT29-MTX) Cells. Toxins (Basel) 2016; 8:toxins8110320. [PMID: 27827957 PMCID: PMC5127117 DOI: 10.3390/toxins8110320] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 10/09/2016] [Accepted: 10/31/2016] [Indexed: 12/18/2022] Open
Abstract
B. cereus is an opportunistic foodborne pathogen able to cause diarrhoea. However, the diarrhoeal potential of a B. cereus strain remains difficult to predict, because no simple correlation has yet been identified between the symptoms and a unique or a specific combination of virulence factors. In this study, 70 B. cereus strains with different origins (food poisonings, foods and environment) have been selected to assess their enterotoxicity. The B. cereus cell-free supernatants have been tested for their toxicity in vitro, on differentiated (21 day-old) Caco-2 cells, using their ATP content, LDH release and NR accumulation. The genetic determinants of the main potential enterotoxins and virulence factors (ces, cytK, entFM, entS, hbl, nhe, nprA, piplC and sph) have also been screened by PCR. This analysis showed that none of these genes was able to fully explain the enterotoxicity of B. cereus strains. Additionally, in order to assess a possible effect of the mucus layer in vitro, a cytotoxicity comparison between a monoculture (Caco-2 cells) and a co-culture (Caco-2 and HT29-MTX mucus-secreting cells) model has been performed with selected B. cereus supernatants. It appeared that, in these conditions, the mucus layer had no notable influence on the cytotoxicity of B. cereus supernatants.
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Shi M, Zhai D, Zhao L, Wu C, Chang J. Nanosized mesoporous bioactive glass/poly(lactic-co-glycolic acid) composite-coated CaSiO3 scaffolds with multifunctional properties for bone tissue engineering. BIOMED RESEARCH INTERNATIONAL 2014; 2014:323046. [PMID: 24724080 PMCID: PMC3958661 DOI: 10.1155/2014/323046] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Revised: 01/15/2014] [Accepted: 01/23/2014] [Indexed: 11/18/2022]
Abstract
It is of great importance to prepare multifunctional scaffolds combining good mechanical strength, bioactivity, and drug delivery ability for bone tissue engineering. In this study, nanosized mesoporous bioglass/poly(lactic-co-glycolic acid) composite-coated calcium silicate scaffolds, named NMBG-PLGA/CS, were successfully prepared. The morphology and structure of the prepared scaffolds were characterized by scanning electron microscopy and X-ray diffraction. The effects of NMBG on the apatite mineralization activity and mechanical strength of the scaffolds and the attachment, proliferation, and alkaline phosphatase activity of MC3T3 cells as well as drug ibuprofen delivery properties were systematically studied. Compared to pure CS scaffolds and PLGA/CS scaffolds, the prepared NMBG-PLGA/CS scaffolds had greatly improved apatite mineralization activity in simulated body fluids, much higher mechanical property, and supported the attachment of MC3T3 cells and enhanced the cell proliferation and ALP activity. Furthermore, the prepared NMBG-PLGA/CS scaffolds could be used for delivering ibuprofen with a sustained release profile. Our study suggests that the prepared NMBG-PLGA/CS scaffolds have improved physicochemical, biological, and drug-delivery property as compared to conventional CS scaffolds, indicating that the multifunctional property of the prepared scaffolds for the potential application of bone tissue engineering.
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Affiliation(s)
- Mengchao Shi
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Dong Zhai
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Lang Zhao
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Chengtie Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Jiang Chang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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Gluz E, Grinberg I, Corem-Salkmon E, Mizrahi D, Margel S. Engineering of new crosslinked near-infrared fluorescent polyethylene glycol bisphosphonate nanoparticles for bone targeting. ACTA ACUST UNITED AC 2013. [DOI: 10.1002/pola.26858] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Eran Gluz
- Department of Chemistry; The Institute of Nanotechnology and Advanced Materials; Bar-Ilan University; Ramat-Gan 52900 Israel
| | - Igor Grinberg
- Department of Chemistry; The Institute of Nanotechnology and Advanced Materials; Bar-Ilan University; Ramat-Gan 52900 Israel
| | - Enav Corem-Salkmon
- Department of Chemistry; The Institute of Nanotechnology and Advanced Materials; Bar-Ilan University; Ramat-Gan 52900 Israel
| | - Dana Mizrahi
- Department of Chemistry; The Institute of Nanotechnology and Advanced Materials; Bar-Ilan University; Ramat-Gan 52900 Israel
| | - Shlomo Margel
- Department of Chemistry; The Institute of Nanotechnology and Advanced Materials; Bar-Ilan University; Ramat-Gan 52900 Israel
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11
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Synthesis and characterization of new poly(ethylene glycol)bisphosphonate vinylic monomer and non-fluorescent and NIR-fluorescent bisphosphonate micrometer-sized particles. POLYMER 2013. [DOI: 10.1016/j.polymer.2012.11.071] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Karahaliloğlu Z, Demirbilek M, Şam M, Erol-Demirbilek M, Sağlam N, Denkbaş EB. Plasma polymerization-modified bacterial polyhydroxybutyrate nanofibrillar scaffolds. J Appl Polym Sci 2012. [DOI: 10.1002/app.38370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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13
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Mirhadi S, Tavangarian F, Emadi R. Synthesis, characterization and formation mechanism of single-phase nanostructure bredigite powder. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2012. [DOI: 10.1016/j.msec.2011.10.007] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Rodriguez-Lorenzo LM, Saldaña L, Benito-Garzón L, García-Carrodeguas R, de Aza S, Vilaboa N, Román JS. Feasibility of ceramic-polymer composite cryogels as scaffolds for bone tissue engineering. J Tissue Eng Regen Med 2011; 6:421-33. [PMID: 21800433 DOI: 10.1002/term.443] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2010] [Accepted: 05/13/2011] [Indexed: 12/22/2022]
Abstract
The purpose of the current study was to investigate whether the cryopolymerization technique is capable of producing suitable scaffolds for bone tissue engineering. Cryopolymers made of 2-hydroxyethyl methacrylate and acrylic acid with (W1 and W20) and without (W0) wollastonite particles were prepared. The elastic modulus of the specimens rose one order of magnitude from W1 to W20. Total porosity reached 56% for W0, 72% for W1 and 36% for W20, with pore sizes of up to 2 mm, large interconnection sizes of up to 1 mm and small interconnection sizes of 50-80 µm on dry specimens. Cryogels swell up to 224 ± 17% for W0, 315 ± 18% for W1 and 231 ± 27% for W20 specimens, while maintaining the integrity of the bodies. Pore sizes > 5 mm can be observed for swollen specimens. The biocompatibility of the samples was tested using human mesenchymal stem cells isolated from bone marrow and adipose tissues. Both types of cells attached and grew on the three tested substrates, colonized their inner regions and organized an extracellular cell matrix. Fibronectin and osteopontin levels decreased in the media from cells cultured on W20 samples, likely due to increased binding on the ECM deposited by cells. The osteoprotegerin-to-receptor activator of nuclear factor-κB ligand secretion ratios increased with increasing wollastonite content. Altogether, these results indicate that an appropriate balance of surface properties and structure that favours stromal cell colonization in the porous cryogels can be achieved by modulating the amount of wollastonite.
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de la Casa-Lillo MA, Velásquez P, De Aza PN. Influence of thermal treatment on the "in vitro" bioactivity of wollastonite materials. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2011; 22:907-915. [PMID: 21336850 DOI: 10.1007/s10856-011-4254-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2009] [Accepted: 02/06/2011] [Indexed: 05/30/2023]
Abstract
The aim of this work was to study the influence of the composition and thermal treatment of the in vitro bioactivity of wollastonite materials obtained by sol-gel method. For this purpose, gels in the system SiO(2)-CaO were obtained applying calcium nitrate and tetraethoxysilicate as precursors. The gels were heated to 700 °C and then sintered up to 1400 °C. The bioactivity of the gel-derived materials in simulated body fluid (SBF) was investigated and characterized. Additional changes in ionic concentration, using inductively couple plasma atomic emission spectroscopy (ICP-AES), were determined. The results showed that all materials obtained were bioactive and indicate that the absence of phosphorous in the material composition is not an essential requirement for the development of a Hydroxyapatite layer. The bioactivity was influenced by the thermal treatment, the different phases (glass-phase, wollastonite and pseudowollastonite) as well as the porous size. On the gel-derived materials the bioactivity decreased with the sintering temperature.
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Affiliation(s)
- Miguel A de la Casa-Lillo
- Departamento de Ciencia de los Materiales, Optica y Tecnología Electrónica, Instituto de Bioingeniería, Universidad Miguel Hernández, Edificio Vinalopó, 03203 Elche, Alicante, Spain.
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16
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Zhang N, Molenda JA, Fournelle JH, Murphy WL, Sahai N. Effects of pseudowollastonite (CaSiO3) bioceramic on in vitro activity of human mesenchymal stem cells. Biomaterials 2010; 31:7653-65. [DOI: 10.1016/j.biomaterials.2010.06.043] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Accepted: 06/23/2010] [Indexed: 10/19/2022]
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17
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Huan Z, Chang J. Novel bioactive composite bone cements based on the beta-tricalcium phosphate-monocalcium phosphate monohydrate composite cement system. Acta Biomater 2009; 5:1253-64. [PMID: 18996779 DOI: 10.1016/j.actbio.2008.10.006] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2008] [Revised: 09/10/2008] [Accepted: 10/08/2008] [Indexed: 11/15/2022]
Abstract
Bioactive composite bone cements were obtained by incorporation of tricalcium silicate (Ca3SiO5, C3S) into a brushite bone cement composed of beta-tricalcium phosphate [beta-Ca3(PO4)2, beta-TCP] and monocalcium phosphate monohydrate [Ca(H2PO4)2.H2O, MCPM], and the properties of the new cements were studied and compared with pure brushite cement. The results indicated that the injectability, setting time and short- and long-term mechanical strength of the material are higher than those of pure brushite cement, and the compressive strength of the TCP/MCPM/C3S composite paste increased with increasing aging time. Moreover, the TCP/MCPM/C3S specimens showed significantly improved in vitro bioactivity in simulated body fluid and similar degradability in phosphate-buffered saline as compared with brushite cement. Additionally, the reacted TCP/MCPM/C3S paste possesses the ability to stimulate osteoblast proliferation and promote osteoblastic differentiation of the bone marrow stromal cells. The results indicated that the TCP/MCPM/C3S cements may be used as a bioactive material for bone regeneration, and might have significant clinical advantage over the traditional beta-TCP/MCPM brushite cement.
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Affiliation(s)
- Zhiguang Huan
- Biomaterials and Tissue Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, People's Republic of China
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18
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Rodríguez-Lorenzo LM, García-Carrodeguas R, Rodríguez MA, De Aza S, Jiménez J, López-Bravo A, Fernandez M, Román JS. Synthesis, characterization, bioactivity and biocompatibility of nanostructured materials based on the wollastonite-poly(ethylmethacrylate-co-vinylpyrrolidone) system. J Biomed Mater Res A 2009; 88:53-64. [DOI: 10.1002/jbm.a.31867] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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19
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Ni S, Chang J. In vitro degradation, bioactivity, and cytocompatibility of calcium silicate, dimagnesium silicate, and tricalcium phosphate bioceramics. J Biomater Appl 2008; 24:139-58. [PMID: 18801892 DOI: 10.1177/0885328208094745] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
CaSiO3 (CS) ceramics have been regarded as a potential bioactive material for bone regeneration. Mg2SiO4 (M2S) ceramic has been reported as a novel bioceramic with higher mechanical properties and good biocompatibility recently. beta-Ca2(PO4)2 (beta-TCP) ceramic is a well-known bioactive and degradable material for bone repair. The aim of this study is to investigate and compare the effect of three bioceramics with different chemical composition on the in vitro degradation, apatite-forming ability in simulated body fluid (SBF) and cytocompatibility. The degradation was evaluated through the activation energy of Si or P ion released from ceramics and the weight loss of the ceramics in Tris-HCl buffer solution. Formation of bone-like apatite on different bioceramic surfaces was investigated in SBF. The presence of bone-like apatite layer on the material surface after soaking in SBF was demonstrated by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM). The effect of ionic products from the three kinds of material dissolution on osteoblast-like cell proliferation was investigated. The results showed that the degradation rate of CS was much faster than that of beta-TCP and M2S ceramics. Apatite formation occurred on the CS ceramics quickly. However, it was less likely to occur on the surfaces of beta-TCP and M2S ceramics. The ionic products from extracts of CS and M2S could stimulate osteoblast-like cell proliferation at certain concentration range throughout the 6-day culture period.
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Affiliation(s)
- Siyu Ni
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China.
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20
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Ou J, Kang Y, Huang Z, Chen X, Wu J, Xiao R, Yin G. Preparation and in vitro bioactivity of novel merwinite ceramic. Biomed Mater 2008; 3:015015. [PMID: 18458502 DOI: 10.1088/1748-6041/3/1/015015] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The ceramic of merwinite (Ca3MgSi2O8) was prepared by sintering sol-gel-derived merwinite powder compacts. The mechanical properties and the coefficient of thermal expansion (CTE) of the merwinite ceramic were determined. In vitro bioactivity of the merwinite ceramics was evaluated. Our results showed that the sintered body was single-phase merwinite ceramic, and that its bending strength, fracture toughness and Young's modulus were approximately 151 MPa, 1.72 MPa m(1/2) and 31 GPa, respectively. The CTE of the ceramic was 9.87 x 10(-6) degrees C(-1) and close to that for the Ti-6Al-4V alloy (9.80 x 10(-6) degrees C(-1)). Immersion of the sintered body in simulated body fluid induced surface precipitation of Ca-P rich layers. Cell culture experiment results confirmed that soluble ionic products from merwinite dissolution significantly stimulated osteoblast proliferation, and osteoblasts adhered and spread well on merwinite ceramic surfaces.
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Affiliation(s)
- Jun Ou
- School of Materials Science and Engineering, Sichuan University, Chengdu, 610064, People's Republic of China.
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21
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Carrodeguas RG, De Aza AH, De Aza PN, Baudín C, Jiménez J, López-Bravo A, Pena P, De Aza S. Assessment of natural and synthetic wollastonite as source for bioceramics preparation. J Biomed Mater Res A 2007; 83:484-95. [PMID: 17503534 DOI: 10.1002/jbm.a.31216] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Pseudowollastonite ceramics (beta-CaSiO3) from synthetic and natural sources were assessed with regard to their properties relevant to biomedical applications. Synthetic and natural CaSiO3 powders, with average particle size of 1.6 and 13.2 microm, respectively, were first employed. Powders were pressed and sintered at 1400 degrees C for 2 h. Pseudowollastonite was the only crystalline phase in sintered materials. Glassy phase, eight times more abundant in sintered natural wollastonite (SNW) than in the synthetic one (SSW), was observed in grain boundaries and in triple points. Larger grains and bigger and more abundant pores were present in SNW, resulting in lower diametral tensile strength (26 MPa), than in SSW (42 MPa). However, by milling the natural wollastonite starting powder to a particle size of 2.0 microm and sintering (SNW-M), the microstructure became finer and less porous, and diametral tensile strength increased (48 MPa). Weibull modulus of SNW and SNW-M samples was twice that of the SSW. All the samples released Si and Ca ions, and removed phosphate ions from simulated body fluid in similar amounts and were completely coated by apatite-like spherules after soaking in simulated body fluid for 3 wk. The aqueous extracts from all samples studied were not cytotoxic in a culture of human fibroblastic cells. No differences in fibroblast-like human cells adhesion and proliferation were observed between samples. According to the obtained results, properly processed pseudowollastonite bioceramics, obtained from the natural source, exhibit the same in vitro behavior and better performance in terms of strength and reliability than do the more expensive synthetic materials.
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Affiliation(s)
- R G Carrodeguas
- Centro de Biomateriales, Universidad de La Habana, Ave. Universidad s/n e/G y Ronda, Apdo. Postal 6130, 10600, La Habana, Cuba, and Hospital Provincial de Avila, Spain
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22
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Sun H, Wu C, Dai K, Chang J, Tang T. Proliferation and osteoblastic differentiation of human bone marrow-derived stromal cells on akermanite-bioactive ceramics. Biomaterials 2006; 27:5651-7. [PMID: 16904740 DOI: 10.1016/j.biomaterials.2006.07.027] [Citation(s) in RCA: 217] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2006] [Accepted: 07/26/2006] [Indexed: 11/24/2022]
Abstract
In the present study, the effects of a calcium magnesium silicate bioactive ceramic (akermanite) on proliferation and osteoblastic differentiation of human bone marrow stromal cells (hBMSC) have been investigated and compared with the classical ceramic (beta-tricalcium phosphate, beta-TCP). Akermanite and beta-TCP disks were seeded with hBMSC and kept in growth medium or osteogenic medium for 10 days. Proliferation and osteoblastic differentiation were evaluated on day 1, 4, 7 and 10. The data from the Alamar Blue assay and lactic acid production assay showed that hBMSC proliferated more significantly on akermanite than on beta-TCP. The analysis of osteoblast-related genes, including alkaline phosphatase (ALP), osteopontin (OPN), bone sialoprotein (BSP) and osteocalcin (OC), indicated that akermanite ceramics enhanced the expression of osteoblast-related genes, but type I collagen (COL I) showed no noticeable difference among akermanite and beta-TCP ceramics. Furthermore, this stimulatory effect was observed not only in osteogenic medium, but also in normal growth medium without osteogenic reagents such as l-ascorbic acid, glycerophosphate and dexamethasone. This result suggests that akermanite can promote osteoblastic differentiation of hBMSC in vitro even without osteogenic reagents, and may be used as a bioactive material for bone regeneration and tissue engineering applications.
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Affiliation(s)
- Hongli Sun
- Orthopaedic Cellular & Molecular Biology Laboratory, Laboratory of Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences & Shanghai JiaoTong University School of Medicine, People's Republic of China
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23
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Anseau MR, Leung JP, Sahai N, Swaddle TW. Interactions of silicate ions with zinc(II) and aluminum(III) in alkaline aqueous solution. Inorg Chem 2006; 44:8023-32. [PMID: 16241152 DOI: 10.1021/ic050594c] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We present (29)Si, (27)Al, and (67)Zn NMR evidence to show that silicate ions in alkaline solution form complexes with zinc(II) (present as zincate, Zn(OH)(3)(-) or Zn(OH)(4)(2-)) and, concomitantly, with aluminate (Al(OH)(4)(-)). Zincate reacts with monomeric silicate at pH 14-15 to form [(HO)O(2)Si-O-Zn(OH)(3)](4-) and with dimeric silicate to produce [HO-SiO(2)-O-SiO(2)-O-Zn(OH)(3)](6-). The exchange of Si between these free and Zn-bound sites is immeasurably fast on the (29)Si NMR time scale. The cyclic silicate trimer reacts relatively slowly and incompletely with zincate to form [(HO)(3)Zn{(SiO(3))(3)}](7-). The concentration of the cyclic trimer becomes further depleted because zincate scavenges the silicate monomer and dimer, with which the cyclic trimer is in equilibrium on the time scale of sample preparation. Identification of these zincate-silicate complexes is supported by quantum chemical theoretical calculations. Aluminate and zincate, when present together, compete roughly equally for a deficiency of silicate to form [(HO)(3)ZnOSiO(2)OH](4-) and [(HO)(3)AlOSiO(2)OH](3-) which exchange (29)Si at a fast but measurable rate.
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Affiliation(s)
- Michel R Anseau
- Department of Organic and Biomedical Chemistry, Faculty of Medicine and Pharmacy, NMR and Molecular Imaging Laboratory, University of Mons-Hainaut, Belgium
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24
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Wu C, Chang J, Wang J, Ni S, Zhai W. Preparation and characteristics of a calcium magnesium silicate (bredigite) bioactive ceramic. Biomaterials 2005; 26:2925-31. [PMID: 15603787 DOI: 10.1016/j.biomaterials.2004.09.019] [Citation(s) in RCA: 177] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2004] [Accepted: 09/08/2004] [Indexed: 11/19/2022]
Abstract
In this study, new bredigite (Ca7MgSi4O16) ceramics were prepared by sintering sol-gel-derived bredigite powder compacts at 1350 degrees C for 8 h. The bending strength, fracture toughness and Young's modulus were about 156 MPa, 1.57 MPa m(1/2) and 43 GPa, respectively. The in vitro bioactivity of the bredigite ceramics was evaluated by investigating the apatite-formation ability in simulated body fluid (SBF) and the effect of ionic products from bredigite dissolution on the mouse fibroblasts cell line L929. In addition, the in vitro biocompatibility of the bredigite ceramics was evaluated by osteoblasts adhesion and proliferation assay. The results showed that bredigite ceramics could induce HAp formation in SBF. The products from bredigite dissolution significantly promoted cell growth at a certain concentration range. Furthermore, osteoblasts adhered and spread well on bredigite ceramics, and osteoblasts proliferation on bredigite ceramics was obvious.
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Affiliation(s)
- Chengtie Wu
- Biomaterials and Tissue Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai 200050, People's Republic of China
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25
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De Aza PN, Luklinska ZB, Anseau M. Bioactivity of diopside ceramic in human parotid saliva. J Biomed Mater Res B Appl Biomater 2005; 73:54-60. [PMID: 15739173 DOI: 10.1002/jbm.b.30187] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Diopside ceramic pellets with a nominal composition of 55.5 wt % SiO(2)-25.9 wt % CaO-18.0 wt % MgO were soaked in human parotid saliva (HPS) over different time intervals, to investigate the behavior of the material in a natural medium of high protein content. The results showed the formation of a hydroxyapatite (HA)-like layer on the surface of the ceramic, and suggested that the mechanism of HA-like layer formation in saliva was similar to that showed in vitro test by other silica-based materials. The HA-like layer formed at the interface was found to be compact, continuous, and composed of many small crystallites with ultrastructure similar to that of natural cortical bone and dentine. The study concluded that the high pH conditions (9.8) existing right at the ceramic/human parotid saliva interface promoted HA-like phase precipitation. At this stage of the study, it is possible to suggest that the diopside ceramic could be of interest in specific periodontal applications for bone restorative purposes. Morphology, structure, and composition of the interfacial reaction product were examined by Scanning and Transmission Electron Microscopy techniques (SEM and TEM), combined with Energy Dispersive X-say Spectroscopy (EDS). Changes in ionic concentrations were measured using Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES), while the pH right at the interface of diopside/PHS were determined with an Ion Sensitive Field Effect Transistor (ISFET-Meter) instruments.
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Affiliation(s)
- Piedad N De Aza
- Instituto de Bioingenieria, Universidad Miguel Hernandez, Edificio Torrevaillo, Avda. De la Universidad s/n 03202-Elche, Alicante, Spain.
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26
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De Aza PN, Fernández-Pradas JM, Serra P. In vitro bioactivity of laser ablation pseudowollastonite coating. Biomaterials 2004; 25:1983-90. [PMID: 14741612 DOI: 10.1016/j.biomaterials.2003.08.036] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Pseudowollastonite (psW) coatings on titanium alloys substrates were prepared by laser ablation and immersed in simulated body fluid (SBF) for different periods in order to investigate the nucleation and growth of hydroxyapatite (HA)-like formation on their surface. The structure of the coatings before soaking was analysed by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The interfacial reactions product was examined by thin-film XRD, SEM and transmission electron microscopy at low and high resolution level, both fitted with energy-dispersive X-ray spectroscopy. Additional changes in ionic concentration, using inductively couple plasma atomic emission spectroscopy, were determined as well as pH right at the psW-coatings/SBF interface using an ion-sensitive field effect transistor. The solution composition changes, increasing the Ca(2+) and Si(4+) concentration and pH as a function of the soaking time while HPO(4)(2-) decreased. The results obtained showed that the coating surfaces were covered by HA-like, which indicated that the psW-coating possesses good bioactivity and also suggested that the mechanism of HA-like layer formation in SBF was similar to that showed in in vitro test by other silica-based materials.
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Affiliation(s)
- P N De Aza
- Instituto de Bioingenieria, Universidad Miguel Hernandez, Edificio Torrevaillo Avda. Ferrocarril s/n, Elche, 03202 Alicante, Spain.
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Sarmento C, Luklinska ZB, Brown L, Anseau M, De Aza PN, De Aza S, Hughes FJ, McKay IJ. In vitro behavior of osteoblastic cells cultured in the presence of pseudowollastonite ceramic. ACTA ACUST UNITED AC 2004; 69:351-8. [PMID: 15058008 DOI: 10.1002/jbm.a.30012] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Pseudowollastonite ceramic (psW) is a bioactive ceramic that binds to bone when implanted in vivo and may be useful for the treatment of skeletal defects. However, there have been no studies that examined the interaction between psW and osteoblastic cells in vitro. This study investigated the suitability of psW as a substratum for cell attachment and the ability of the material to effect osteoblasts at a distance from the material surface. Fetal rat calvarial cells were plated onto the ceramic and examined by scanning electron microscopy. The findings reported show that cells attached and proliferated on the surface to the ceramic. Attachment by cells to the material can be enhanced by preincubation of psW in serum or media containing fibronectin. The adhesion of cells can be inhibited by addition of GRGDS peptides suggesting that adhesion to psW is mediated by integrin binding to adsorbed proteins. To study the effects of psW at a distance, cells were cultured in the presence but not in direct contact with the material. Subsequent changes in proliferation, alkaline phosphatase expression, and bone nodule formation were assessed. Cells grown in wells containing psW demonstrated an increase in both the rate and total numbers of bone nodules formed, although there were no differences in proliferation or alkaline phosphatase expression. Overall, these results suggest that psW is biocompatible and osteoconductive.
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Affiliation(s)
- Carlos Sarmento
- Universidade Potiguar, School of Dentistry, Natal-RN 59056-000, Brazil
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