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Gómez-Cerezo N, Casarrubios L, Morales I, Feito MJ, Vallet-Regí M, Arcos D, Portolés MT. Effects of a mesoporous bioactive glass on osteoblasts, osteoclasts and macrophages. J Colloid Interface Sci 2018; 528:309-320. [PMID: 29859456 DOI: 10.1016/j.jcis.2018.05.099] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 05/23/2018] [Accepted: 05/27/2018] [Indexed: 11/19/2022]
Abstract
A mesoporous bioactive glass (MBG) of molar composition 75SiO2-20CaO-5P2O5 (MBG-75S) has been synthetized as a potential bioceramic for bone regeneration purposes. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), nitrogen adsorption studies and transmission electron microscopy (TEM) demonstrated that MBG-75S possess a highly ordered mesoporous structure with high surface area and porosity, which would explain the high ionic exchange rate (mainly calcium and silicon soluble species) with the surrounded media. MBG-75S showed high biocompatibility in contact with Saos-2 osteoblast-like cells. Concentrations up to 1 mg/ml did not lead to significant alterations on either morphology or cell cycle. Regarding the effects on osteoclasts, MBG-75S allowed the differentiation of RAW-264.7 macrophages into osteoclast-like cells but exhibiting a decreased resorptive activity. These results point out that MBG-75S does not inhibit osteoclastogenesis but reduces the osteoclast bone-resorbing capability. Finally, in vitro studies focused on the innate immune response, evidenced that MBG-75S allows the proliferation of macrophages without inducing their polarization towards the M1 pro-inflammatory phenotype. This in vitro behavior is indicative that MBG-75S would just induce the required innate immune response without further inflammatory complications under in vivo conditions. The overall behavior respect to osteoblasts, osteoclasts and macrophages, makes this MBG a very interesting candidate for bone grafting applications in osteoporotic patients.
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Affiliation(s)
- N Gómez-Cerezo
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria Hospital 12 de Octubre i+12, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain
| | - L Casarrubios
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain
| | - I Morales
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain
| | - M J Feito
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain
| | - M Vallet-Regí
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria Hospital 12 de Octubre i+12, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain.
| | - D Arcos
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria Hospital 12 de Octubre i+12, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; CIBER de Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, Madrid, Spain.
| | - M T Portolés
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), 28040 Madrid, Spain.
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102
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Ciraldo FE, Liverani L, Gritsch L, Goldmann WH, Boccaccini AR. Synthesis and Characterization of Silver-Doped Mesoporous Bioactive Glass and Its Applications in Conjunction with Electrospinning. MATERIALS (BASEL, SWITZERLAND) 2018; 11:E692. [PMID: 29710768 PMCID: PMC5978069 DOI: 10.3390/ma11050692] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 04/19/2018] [Accepted: 04/20/2018] [Indexed: 12/13/2022]
Abstract
Since they were first developed in 2004, mesoporous bioactive glasses (MBGs) rapidly captured the interest of the scientific community thanks to their numerous beneficial properties. MBGs are synthesised by a combination of the sol⁻gel method with the chemistry of surfactants to obtain highly mesoporous (pore size from 5 to 20 nm) materials that, owing to their high surface area and ordered structure, are optimal candidates for controlled drug-delivery systems. In this work, we synthesised and characterised a silver-containing mesoporous bioactive glass (Ag-MBG). It was found that Ag-MBG is a suitable candidate for controlled drug delivery, showing a perfectly ordered mesoporous structure ideal for the loading of drugs together with optimal bioactivity, sustained release of silver from the matrix, and fast and strong bacterial inhibition against both Gram-positive and Gram-negative bacteria. Silver-doped mesoporous glass particles were used in three electrospinning-based techniques to produce PCL/Ag-MBG composite fibres, to coat bioactive glass scaffolds (via electrospraying), and for direct sol electrospinning. The results obtained in this study highlight the versatility and efficacy of Ag-substituted mesoporous bioactive glass and encourage further studies to characterize the biological response to Ag-MBG-based antibacterial controlled-delivery systems for tissue-engineering applications.
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Affiliation(s)
- Francesca E Ciraldo
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany.
| | - Liliana Liverani
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany.
| | - Lukas Gritsch
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany.
| | - Wolfgang H Goldmann
- Institute of Biophysics, Department of Physics, University of Erlangen-Nuremberg, Henkestraße 91, 91052 Erlangen, Germany.
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany.
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103
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Wang X, Zeng D, Weng W, Huang Q, Zhang X, Wen J, Wu J, Jiang X. Alendronate delivery on amino modified mesoporous bioactive glass scaffolds to enhance bone regeneration in osteoporosis rats. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:171-181. [PMID: 29688044 DOI: 10.1080/21691401.2018.1453825] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The regeneration capacity of osteoporotic bones is generally lower than that of normal bones. Nowadays, alendronate (AL) are orally administrated for osteoporosis due to the inhibition of bone resorption. However, systemic administration of AL is characterized by extremely low bioavailability and high toxicity. In this study, the amino-modified mesoporous bioactive glass scaffolds (N-MBGS) were fabricated by a simple powder processing technique as a novel drug-delivery system for AL. The effects of AL on the osteogenic differentiation of bone mesenchymal stem cells derived from ovariectomized rats (rBMSCs-OVX) were first estimated. The loading efficiency and release kinetics of AL on N-MBGS were investigated in vitro and the osteogenesis of AL-loaded N-MBGS in rat calvarial defect model was detected by micro-CT measurements and the histological assay. Our results revealed that proper concentration of AL significantly promoted osteogenic differentiation of rBMSCs-OVX. The amount and delivery rate of AL were greatly improved through amino modification. Additionally, scaffolds with AL showed better bone formation in vivo, especially for the N-MBGS group. Our results suggest that the novel amino-modified MBGS are promising drug-delivery system for osteoporotic bone defect repairing or regeneration. The experimental schematic of the novel amino-modified MBGS as a promising drug-delivery system for osteoporotic bone regeneration.
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Affiliation(s)
- Xiao Wang
- a Department of Prosthodontics , Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , China.,b Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology , National Clinical Research Center of Stomatology , Shanghai , China
| | - Deliang Zeng
- a Department of Prosthodontics , Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , China.,b Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology , National Clinical Research Center of Stomatology , Shanghai , China
| | - Weimin Weng
- a Department of Prosthodontics , Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - Qinfeng Huang
- a Department of Prosthodontics , Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , China
| | - Xiangkai Zhang
- b Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology , National Clinical Research Center of Stomatology , Shanghai , China
| | - Jin Wen
- a Department of Prosthodontics , Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , China.,b Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology , National Clinical Research Center of Stomatology , Shanghai , China
| | - Jiannan Wu
- a Department of Prosthodontics , Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , China.,b Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology , National Clinical Research Center of Stomatology , Shanghai , China
| | - Xinquan Jiang
- a Department of Prosthodontics , Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , China.,b Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology , National Clinical Research Center of Stomatology , Shanghai , China
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Bains R, Sharma P, Mir RA, Jeet S, Kaur G, Pandey OP. Influence of CuO/MgO ratio on the gene expression, cytocompatibilty, and antibacterial/anticancerous/analgesic drug loading kinetics for (15-x) CuO-xMgO-10P2
O5
-60SiO2
-10CaO-5ZnO (2.5 ≤ x ≤ 12.5) mesoporous bioactive glasses. J Biomed Mater Res A 2018; 106:2116-2130. [DOI: 10.1002/jbm.a.36415] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 02/16/2018] [Accepted: 03/15/2018] [Indexed: 11/05/2022]
Affiliation(s)
- Rupinderjeet Bains
- School of Physics and Materials Science; Thapar University; Patiala 147004 India
| | - Piyush Sharma
- School of Physics and Materials Science; Thapar University; Patiala 147004 India
| | - Rameez Ahmad Mir
- School of Physics and Materials Science; Thapar University; Patiala 147004 India
| | - Suninder Jeet
- School of Physics and Materials Science; Thapar University; Patiala 147004 India
| | - Gurbinder Kaur
- School of Physics and Materials Science; Thapar University; Patiala 147004 India
| | - Om Prakash Pandey
- School of Physics and Materials Science; Thapar University; Patiala 147004 India
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105
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Baino F, Hamzehlou S, Kargozar S. Bioactive Glasses: Where Are We and Where Are We Going? J Funct Biomater 2018; 9:E25. [PMID: 29562680 PMCID: PMC5872111 DOI: 10.3390/jfb9010025] [Citation(s) in RCA: 207] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 03/11/2018] [Accepted: 03/16/2018] [Indexed: 12/31/2022] Open
Abstract
Bioactive glasses caused a revolution in healthcare and paved the way for modern biomaterial-driven regenerative medicine. The first 45S5 glass composition, invented by Larry Hench fifty years ago, was able to bond to living bone and to stimulate osteogenesis through the release of biologically-active ions. 45S5-based glass products have been successfully implanted in millions of patients worldwide, mainly to repair bone and dental defects and, over the years, many other bioactive glass compositions have been proposed for innovative biomedical applications, such as soft tissue repair and drug delivery. The full potential of bioactive glasses seems still yet to be fulfilled, and many of today's achievements were unthinkable when research began. As a result, the research involving bioactive glasses is highly stimulating and requires a cross-disciplinary collaboration among glass chemists, bioengineers, and clinicians. The present article provides a picture of the current clinical applications of bioactive glasses, and depicts six relevant challenges deserving to be tackled in the near future. We hope that this work can be useful to both early-stage researchers, who are moving with their first steps in the world of bioactive glasses, and experienced scientists, to stimulate discussion about future research and discover new applications for glass in medicine.
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Affiliation(s)
- Francesco Baino
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy.
| | - Sepideh Hamzehlou
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, 14155-6447 Tehran, Iran.
- Medical Genetics Network (MeGeNe), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
| | - Saeid Kargozar
- Department of Modern Sciences and Technologies, School of Medicine, Mashhad University of Medical Sciences, P.O. Box 917794-8564, Mashhad, Iran.
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106
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Galarraga-Vinueza ME, Mesquita-Guimarães J, Magini RS, Souza JCM, Fredel MC, Boccaccini AR. Mesoporous bioactive glass embedding propolis and cranberry antibiofilm compounds. J Biomed Mater Res A 2018; 106:1614-1625. [DOI: 10.1002/jbm.a.36352] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 11/10/2017] [Accepted: 01/19/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Maria Elisa Galarraga-Vinueza
- Department of Dentistry (ODT), Center for Education and Research on Dental Implants (CEPID), Post-Graduation Program in Dentistry (PPGO); Federal University of Santa Catarina (UFSC); Florianopolis Santa Catarina 88040-900 Brazil
| | - Joana Mesquita-Guimarães
- Department of Mechanical Engineering (EMC); Ceramic and Composite Materials Research Group (CERMAT), Federal University of Santa Catarina; Florianopolis Santa Catarina 88040-900 Brazil
| | - Ricardo S. Magini
- Department of Dentistry (ODT), Center for Education and Research on Dental Implants (CEPID), Post-Graduation Program in Dentistry (PPGO); Federal University of Santa Catarina (UFSC); Florianopolis Santa Catarina 88040-900 Brazil
| | - Júlio C. M. Souza
- Department of Dentistry (ODT), Center for Education and Research on Dental Implants (CEPID), Post-Graduation Program in Dentistry (PPGO); Federal University of Santa Catarina (UFSC); Florianopolis Santa Catarina 88040-900 Brazil
- Department of Mechanical Engineering (EMC); Ceramic and Composite Materials Research Group (CERMAT), Federal University of Santa Catarina; Florianopolis Santa Catarina 88040-900 Brazil
| | - Marcio C. Fredel
- Department of Mechanical Engineering (EMC); Ceramic and Composite Materials Research Group (CERMAT), Federal University of Santa Catarina; Florianopolis Santa Catarina 88040-900 Brazil
| | - Aldo R. Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg; 91058 Erlangen Germany
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107
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Romero-Sánchez LB, Marí-Beffa M, Carrillo P, Medina MÁ, Díaz-Cuenca A. Copper-containing mesoporous bioactive glass promotes angiogenesis in an in vivo zebrafish model. Acta Biomater 2018; 68:272-285. [PMID: 29288822 DOI: 10.1016/j.actbio.2017.12.032] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2017] [Revised: 12/20/2017] [Accepted: 12/22/2017] [Indexed: 12/18/2022]
Abstract
The osteogenic and angiogenic responses of organisms to the ionic products of degradation of bioactive glasses (BGs) are being intensively investigated. The promotion of angiogenesis by copper (Cu) has been known for more than three decades. This element can be incorporated to delivery carriers, such as BGs, and the materials used in biological assays. In this work, Cu-containing mesoporous bioactive glass (MBG) in the SiO2-CaO-P2O5 compositional system was prepared incorporating 5% mol Cu (MBG-5Cu) by replacement of the corresponding amount of Ca. The biological effects of the ionic products of MBG biodegradation were evaluated on a well-known endothelial cell line, the bovine aorta endothelial cells (BAEC), as well as in an in vivo zebrafish (Danio rerio) embryo assay. The results suggest that ionic products of both MBG (Cu free) and MBG-5Cu materials promote angiogenesis. In vitro cell cultures show that the ionic dissolution products of these materials are not toxic and promote BAEC viability and migration. In addition, the in vivo assay indicates that both exposition and microinjection of zebrafish embryos with Cu free MBG material increase vessel number and thickness of the subintestinal venous plexus (SIVP), whereas assays using MBG-5Cu enhance this effect. STATEMENT OF SIGNIFICANCE Mesoporous bioactive glasses (MBGs) with high specific surface area, well-ordered pores, large pore volumes and controllable amount of ions are interesting to develop controlled drug delivery systems for bone tissue regeneration. Copper (Cu) incorporation to the basic SiO2-CaO-P2O5 composition has attracted high interest due to its multifunctional biological properties. Promotion of angiogenesis is one of these properties, which can be integrated to the biomaterial with lower cost and higher stability when compared with growth factors. This work reports the synthesis and characterization of Cu-containing MBG evaluating its angiogenic properties in the subintestinal vessel zebrafish assay. This transgenic in vivo assay is merging as an alternative model providing short-time consuming protocols and facilities during pro-angiogenic drug screenings. The report shows that the ionic products of this MBG material delivered to the zebrafish incubation media significantly enhance angiogenesis in comparison with control groups. Besides, results indicate Cu ions may exhibit a synergic effect with Si, Ca, and P ions in angiogenesis stimulation both in vitro and in vivo. To our knowledge, this is the first time that zebrafish in vivo assays are used to evaluate angiogenic activity of ionic dissolution products from MBG materials.
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108
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Mesoporous silica-based bioactive glasses for antibiotic-free antibacterial applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 83:99-107. [DOI: 10.1016/j.msec.2017.11.003] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 08/23/2017] [Accepted: 11/09/2017] [Indexed: 01/23/2023]
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109
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Wang S, Gu Z, Wang Z, Chen X, Cao L, Cai L, Li Q, Wei J, Shin JW, Su J. Influences of mesoporous magnesium calcium silicate on mineralization, degradability, cell responses, curcumin release from macro-mesoporous scaffolds of gliadin based biocomposites. Sci Rep 2018; 8:174. [PMID: 29317753 PMCID: PMC5760662 DOI: 10.1038/s41598-017-18660-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 12/13/2017] [Indexed: 11/09/2022] Open
Abstract
Macro-mesoporous scaffolds based on wheat gliadin (WG)/mesoporous magnesium calcium silicate (m-MCS) biocomposites (WMC) were developed for bone tissue regeneration. The increasing amount of m-MCS significantly improved the mesoporosity and water absorption of WMC scaffolds while slightly decreased their compressive strength. With the increase of m-MCS content, the degradability of WMC scaffolds was obviously enhanced, and the decrease of pH value could be slow down after soaking in Tris-HCl solution for different time. Moreover, the apatite mineralization ability of the WMC scaffolds in simulated body fluid (SBF) was obviously improved with the increase of m-MCS content, indicating good bioactivity. The macro-mesoporous WMC scaffolds containing m-MCS significantly stimulated attachment, proliferation and differentiation of MC3T3-E1 cells, indicating cytocompatibility. The WMC scaffold containing 40 w% m-MCS (WMC40) possessed the highest porosity (including macroporosity and mesoporosity), which loaded the highest amount of curcumin (CU) as well as displayed the slow release of CU. The results suggested that the incorporation of m-MCS into WG produced biocomposite scaffolds with macro-mesoporosity, which significantly improved water absorption, degradability, bioactivity, cells responses and load/sustained release of curcumin.
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Affiliation(s)
- Sicheng Wang
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
- Department of Orthopaedics, Zhongye Hospital, Shanghai, 200941, China
| | - Zhengrong Gu
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
- The Department of Orthopaedics, Jing'an District Centre Hospital of Shanghai (Huashan Hospital, Fudan University Jing'An Branch), Shanghai, 200040, China
| | - Zhiwei Wang
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Xiao Chen
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Liehu Cao
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Liang Cai
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Quan Li
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Jie Wei
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Jung-Woog Shin
- Department of Biomedical Engineering, Inje University, Gimhae, 621749, Republic of Korea
| | - Jiacan Su
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China.
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110
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Gaihre B, Lecka-Czernik B, Jayasuriya AC. Injectable nanosilica-chitosan microparticles for bone regeneration applications. J Biomater Appl 2018; 32:813-825. [PMID: 29160129 PMCID: PMC7099582 DOI: 10.1177/0885328217741523] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
This study was aimed at assessing the effects of silica nanopowder incorporation into chitosan-tripolyphosphate microparticles with the ultimate goal of improving their osteogenic properties. The microparticles were prepared by simple coacervation technique and silica nanopowder was added at 0% (C), 2.5% (S1), 5% (S2) and 10% (S3) (w/w) to chitosan. We observed that this simple incorporation of silica nanopowder improved the growth and proliferation of osteoblasts along the surface of the microparticles. In addition, the composite microparticles also showed the increased expression of alkaline phosphatase and osteoblast specific genes. We observed a significant increase ( p < 0.05) in the expression of alkaline phosphatase by the cells growing on all sample groups compared to the control (C) groups at day 14. The morphological characterization of these microparticles through scanning electron microscopy showed that these microparticles were well suited to be used as the injectable scaffolds with perfectly spherical shape and size. The incorporation of silica nanopowder altered the nano-roughness of the microparticles as observed through atomic force microscopy scans with roughness values going down from C to S3. The results in this study, taken together, show the potential of chitosan-tripolyphosphate-silica nanopowder microparticles for improved bone regeneration applications.
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Affiliation(s)
- Bipin Gaihre
- Department of Orthopaedic Surgery, The University of Toledo, Toledo, OH, USA
| | - Beata Lecka-Czernik
- Department of Orthopaedic Surgery, The University of Toledo, Toledo, OH, USA
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111
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Subhapradha N, Abudhahir M, Aathira A, Srinivasan N, Moorthi A. Polymer coated mesoporous ceramic for drug delivery in bone tissue engineering. Int J Biol Macromol 2017; 110:65-73. [PMID: 29197570 DOI: 10.1016/j.ijbiomac.2017.11.146] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/22/2017] [Accepted: 11/22/2017] [Indexed: 01/10/2023]
Abstract
Treatment strategy for various bone fracture and defects the researchers are focusing to develop a new carrier for delivering the drug into injured area with controlled and sustained manner using biomaterials with dynamic architecture orientation. Ceramic materials are resembled with bone compositional architecture and better bioactivity, degradability as well as antimicrobial activity made its enormous application in bone tissue engineering (BTE). Current focus in regenerative medicine were orchestration of biomaterials with the capacity of loading the drugs, growth factors, ionic components to promote better healing of bone tissue. Mesoporous type materials owed a great look towards the delivery of drugs, growth factors, etc in BTE because of its unique geometry. So the guest molecules loaded with geometrically organized ceramics would deliver onto the site of injury in controlled manner also the guiding and regulation of delivery of molecules have been controlled with the polymers response to different stimulation or biochemical factors as either scaffold or encapsulated particles for bone regeneration. Hence the review aims to describing the recent progress in bone tissue engineering using the ceramic based mesoporous materials encapsulated with polymers respond to different physiochemical stimulation for the efficient and controlled delivery of drug/growth factors for better bone healing.
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Affiliation(s)
- N Subhapradha
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Health City, Kelambakkam, Tamil Nadu, 603 103, India
| | - Mohamed Abudhahir
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Health City, Kelambakkam, Tamil Nadu, 603 103, India
| | - A Aathira
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Health City, Kelambakkam, Tamil Nadu, 603 103, India
| | - N Srinivasan
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Health City, Kelambakkam, Tamil Nadu, 603 103, India
| | - A Moorthi
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Chettinad Health City, Kelambakkam, Tamil Nadu, 603 103, India.
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112
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Cheng H, Chawla A, Yang Y, Li Y, Zhang J, Jang HL, Khademhosseini A. Development of nanomaterials for bone-targeted drug delivery. Drug Discov Today 2017; 22:1336-1350. [PMID: 28487069 PMCID: PMC5644493 DOI: 10.1016/j.drudis.2017.04.021] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 04/27/2017] [Accepted: 04/28/2017] [Indexed: 12/15/2022]
Abstract
Bone is one of the major organs of the human body; it supports and protects other organs, produces blood cells, stores minerals, and regulates hormones. Therefore, disorders in bone can cause serious morbidity, complications, or mortality of patients. However, despite the significant occurrence of bone diseases, such as osteoarthritis (OA), osteoporosis (OP), non-union bone defects, bone cancer, and myeloma-related bone disease, their effective treatments remain a challenge. In this review, we highlight recent progress in the development of nanotechnology-based drug delivery for bone treatment, based on its improved delivery efficiency and safety. We summarize the most commonly used nanomaterials for bone drug delivery. We then discuss the targeting strategies of these nanomaterials to the diseased sites of bone tissue. We also highlight nanotechnology-based drug delivery to bone cells and subcellular organelles. We envision that nanotechnology-based drug delivery will serve as a powerful tool for developing treatments for currently incurable bone diseases.
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Affiliation(s)
- Hao Cheng
- Division of Biomedical Engineering, Department of Medicine, Biomaterials Innovation Research Center, Harvard Medical School, Brigham & Women's Hospital, Boston, MA 02139, USA; Division of Health Sciences & Technology, Harvard-Massachusetts Institute of Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Orthopaedic Department, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Aditya Chawla
- Division of Biomedical Engineering, Department of Medicine, Biomaterials Innovation Research Center, Harvard Medical School, Brigham & Women's Hospital, Boston, MA 02139, USA; Division of Health Sciences & Technology, Harvard-Massachusetts Institute of Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Yafeng Yang
- Division of Biomedical Engineering, Department of Medicine, Biomaterials Innovation Research Center, Harvard Medical School, Brigham & Women's Hospital, Boston, MA 02139, USA; Division of Health Sciences & Technology, Harvard-Massachusetts Institute of Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Yuxiao Li
- Division of Biomedical Engineering, Department of Medicine, Biomaterials Innovation Research Center, Harvard Medical School, Brigham & Women's Hospital, Boston, MA 02139, USA; Division of Health Sciences & Technology, Harvard-Massachusetts Institute of Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jin Zhang
- Division of Biomedical Engineering, Department of Medicine, Biomaterials Innovation Research Center, Harvard Medical School, Brigham & Women's Hospital, Boston, MA 02139, USA; Division of Health Sciences & Technology, Harvard-Massachusetts Institute of Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Hae Lin Jang
- Division of Biomedical Engineering, Department of Medicine, Biomaterials Innovation Research Center, Harvard Medical School, Brigham & Women's Hospital, Boston, MA 02139, USA; Division of Health Sciences & Technology, Harvard-Massachusetts Institute of Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA.
| | - Ali Khademhosseini
- Division of Biomedical Engineering, Department of Medicine, Biomaterials Innovation Research Center, Harvard Medical School, Brigham & Women's Hospital, Boston, MA 02139, USA; Division of Health Sciences & Technology, Harvard-Massachusetts Institute of Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA; Department of Bioindustrial Technologies, College of Animal Bioscience & Technology, Konkuk University, Seoul 143-701, Republic of Korea; Department of Physics, King Abdulaziz University, Jeddah 21569, Saudi Arabia.
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113
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Zhu J, Liang R, Sun C, Xie L, Wang J, Leng D, Wu D, Liu W. Effects of nanosilver and nanozinc incorporated mesoporous calcium-silicate nanoparticles on the mechanical properties of dentin. PLoS One 2017; 12:e0182583. [PMID: 28787004 PMCID: PMC5546636 DOI: 10.1371/journal.pone.0182583] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 07/20/2017] [Indexed: 02/02/2023] Open
Abstract
Mesoporous calcium-silicate nanoparticles (MCSNs) are advanced biomaterials for drug delivery and mineralization induction. They can load silver and exhibit significantly antibacterial effects. However, the effects of MCSNs and silver-loaded MCSNs on dentin are unknown. The silver (Ag) and/or zinc (Zn) incorporated MCSNs (Ag-Zn-MCSNs) were prepared by a template method, and their characterizations were tested. Then the nanoparticles were filled into root canals and their effects on the dentin were investigated. Ag-Zn-MCSNs showed characteristics of mesoporous materials and sustained release of ions over time. Ag-Zn-MCSNs adhered well to the root canal walls and infiltrated into the dentinal tubules after ultrasound activation. Ag-Zn-MCSNs showed no significantly negative effects on either the flexural strength or the modulus of elasticity of dentin, while CH decreased the flexural strength of dentin significantly (P<0.05). These findings suggested that Ag and Zn can be incorporated into MCSNs using a template method, and the Ag-Zn-MCSNs may be developed into a new disinfectant for the root canal and dentinal tubules.
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Affiliation(s)
- Jie Zhu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Endodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Ruizhen Liang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Endodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Chao Sun
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Radiology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Lizhe Xie
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Juan Wang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Endodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Diya Leng
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Endodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Daming Wu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Endodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Department of Radiology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- * E-mail: (DW); (WL)
| | - Weihong Liu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Endodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- * E-mail: (DW); (WL)
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114
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Sethu SN, Namashivayam S, Devendran S, Nagarajan S, Tsai WB, Narashiman S, Ramachandran M, Ambigapathi M. Nanoceramics on osteoblast proliferation and differentiation in bone tissue engineering. Int J Biol Macromol 2017; 98:67-74. [DOI: 10.1016/j.ijbiomac.2017.01.089] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 01/11/2017] [Accepted: 01/18/2017] [Indexed: 01/24/2023]
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115
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Kiran P, Ramakrishna V, Trebbin M, Udayashankar N, Shashikala H. Effective role of CaO/P 2O 5 ratio on SiO 2-CaO-P 2O 5 glass system. J Adv Res 2017; 8:279-288. [PMID: 28337345 PMCID: PMC5347516 DOI: 10.1016/j.jare.2017.02.001] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 02/15/2017] [Accepted: 02/15/2017] [Indexed: 11/25/2022] Open
Abstract
In the present work, the effect of the CaO/P2O5 ratio on the composition of sol-gel synthesized 58SiO2-(19 - x)P2O5-(23 + x)CaO (x = 0, 5, 10 and 15 mol%) glass samples was studied. Further, the effect of NBO/BO ratio on hydroxy carbonated apatite layer (HCA) forming ability based on dissolution behavior in simulated body fluid (SBF) solution was also investigated. CaO/P2O5 ratios of synthesized glass samples were 1.2, 2, 3.6, and 9.5, respectively. NBO/BO ratios were obtained using Raman spectroscopic analysis as 0.58, 1.20, 1.46, and 1.78, respectively. All samples were soaked in the SBF solution for 7 days. The calculated weight losses of these samples were 58%, 64%, 83%, and 89% for corresponding NBO/BO ratios. The increase in CaO/P2O5 ratio increases the NBO/BO ratios. However, the increase in NBO/BO ratio increases HCA forming ability of SBF treated samples. The HCA crystalline layer formation was confirmed through X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM), Scanning Electron Microscopy (SEM), Raman and Infrared spectroscopic analysis. Higher CaO/P2O5 ratio favors the increase in HCA formation for SBF treated calcium phospho silicate glasses.
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Affiliation(s)
- P. Kiran
- Department of Physics, Crystal Growth Laboratory, National Institute of Technology Karnataka, Surathkal 575025, India
| | - V. Ramakrishna
- Hamburg Center for Ultrafast Imaging (CUI), University of Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
| | - M. Trebbin
- Hamburg Center for Ultrafast Imaging (CUI), University of Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
| | - N.K. Udayashankar
- Department of Physics, Crystal Growth Laboratory, National Institute of Technology Karnataka, Surathkal 575025, India
| | - H.D. Shashikala
- Department of Physics, Crystal Growth Laboratory, National Institute of Technology Karnataka, Surathkal 575025, India
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116
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Wang X, Chen W, Liu Q, Gao K, Wang G, Gao L, Liu L. Function and mechanism of mesoporous bioactive glass adsorbed epidermal growth factor for accelerating bone tissue regeneration. Biomed Mater 2017; 12:025020. [PMID: 28452332 DOI: 10.1088/1748-605x/aa65d8] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Mesoporous bioactive glass (MBG) has been demonstrated to play a vital role in bone tissue engineering due to its bioactivity, biocompatibility, and osteoinduction properties. Here, we report that MBG grafted with an amino group (MBG-NH2) and MBG-NH2 adsorbed epidermal growth factor (EGF) (MBG-NH2/EGF) sustained-release EGF, and MBG-NH2/EGF could accelerate osteoblast differentiation and mineralization in MC3T3-E1 cells. We found that MBG-NH2 could promote bone-like deposit formation and Ca deposition in vitro. Intriguingly, we observed that MBG-NH2/EGF enhanced MC3T3-E1 cell adhesion. We also showed that extracellular signal-regulated kinase 1/2 (ERK1/2) was phosphorylated when MC3T3-E1 cells were cultured on MBG-NH2/EGF. Interestingly, the transcription factor Runx2, important for osteoblast differentiation, was also activated when MC3T3-E1 cells were cultured on MBG-NH2/EGF. We showed that MC3T3-E1 cells cultured on MBG-NH2/EGF activating Runx2 was through ERK1/2 phosphorylation. Consistent with this survey, we observed that MC3T3-E1 cells cultured on MBG-NH2/EGF accelerated osteoblastic marker gene expressions, including osteopontin (Opn) and osteocalcin (Ocn). Taken together, we conclude that the osteoblast differentiation and mineralization were accelerated in MC3T3-E1 cells cultured on MBG-NH2/EGF through ERK-activated Runx2 pathway. These findings support the idea that MBG-NH2/EGF is a potential biomaterial for bone tissue repair in bone defect-related diseases.
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Affiliation(s)
- Xiaoyan Wang
- Department of Chemistry and Biology, College of Science, National University of Defense Technology, Changsha, Hunan, 410073, People's Republic of China
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117
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Macías-Andrés VI, Li W, Aguilar-Reyes EA, Ding Y, Roether JA, Harhaus L, León-Patiño CA, Boccaccini AR. Preparation and characterization of 45S5 bioactive glass-based scaffolds loaded with PHBV microspheres with daidzein release function. J Biomed Mater Res A 2017; 105:1765-1774. [PMID: 28241393 DOI: 10.1002/jbm.a.36046] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 02/17/2017] [Accepted: 02/22/2017] [Indexed: 12/21/2022]
Abstract
Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) microsphere loaded 45S5 bioactive glass (BG) based scaffolds with drug releasing capability have been developed. PHBV microspheres with a mean particle size 4 ± 2 μm loaded with daidzein were obtained by oil-in-water single emulsion solvent evaporation method and applied to the surface of BG scaffolds by dip coating technique. The morphology, in vitro bioactivity in simulated body fluid (SBF), mechanical properties and drug release kinetics of microsphere loaded scaffolds were studied. The microspheres were shown to be homogeneously dispersed on the scaffold surfaces. It was confirmed that hydroxyapatite crystals homogeneously grew not only on the surface of the scaffold but also on the surface of the microspheres within 3 days of immersion in SBF. The daidzein release from the microsphere loaded scaffolds lasted almost 1 month and was determined to be diffusion controlled. The microsphere loaded BG scaffolds with daidzein releasing capability obtained in this study are a candidate for bone tissue engineering. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 105A: 1765-1774, 2017.
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Affiliation(s)
- Víctor I Macías-Andrés
- Instituto de Investigación en Metalúrgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, 58030, México
| | - Wei Li
- Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Institute of Biomaterials, Erlangen, 91058, Germany
| | - Ena A Aguilar-Reyes
- Instituto de Investigación en Metalúrgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, 58030, México
| | - Yaping Ding
- Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Institute of Polymer Materials, Erlangen, 91058, Germany
| | - Judith A Roether
- Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Institute of Polymer Materials, Erlangen, 91058, Germany
| | - Leila Harhaus
- Department of Hand-, Plastic and Reconstructive Surgery, Burn Center, Department of Hand- and Plastic Surgery of Heidelberg University, BG Trauma Center Ludwigshafen, Germany.,Department of Plastic Surgery of Heidelberg University, BG Trauma Center Ludwigshafen, Ludwigshafen, 67071, Germany
| | - Carlos A León-Patiño
- Instituto de Investigación en Metalúrgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, 58030, México
| | - Aldo R Boccaccini
- Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Institute of Biomaterials, Erlangen, 91058, Germany
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118
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Molecular gates in mesoporous bioactive glasses for the treatment of bone tumors and infection. Acta Biomater 2017; 50:114-126. [PMID: 27956362 DOI: 10.1016/j.actbio.2016.12.025] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 11/17/2016] [Accepted: 12/08/2016] [Indexed: 11/21/2022]
Abstract
Silica mesoporous nanomaterials have been proved to have meaningful application in biotechnology and biomedicine. Particularly, mesoporous bioactive glasses are recently gaining importance thanks to their bone regenerative properties. Moreover, the mesoporous nature of these materials makes them suitable for drug delivery applications, opening new lines in the field of bone therapies. In this work, we have developed innovative nanodevices based on the implementation of adenosine triphosphate (ATP) and ε-poly-l-lysine molecular gates using a mesoporous bioglass as an inorganic support. The systems have been previously proved to work properly with a fluorescence probe and subsequently with an antibiotic (levofloxacin) and an antitumoral drug (doxorubicin). The bioactivity of the prepared materials has also been tested, giving promising results. Finally, in vitro cell culture studies have been carried out; demonstrating that this gated devices can provide useful approaches for bone cancer and bone infection treatments. STATEMENT OF SIGNIFICANCE Molecular-gated materials have recently been drawing attention due to their applications in fields as biomedicine and molecular recognition. For the first time as we are aware, we report herein a new enzymatic responsive molecular-gated device consisting in a mesoporous bioactive glass support implemented with two different molecular gates. Both controlled drug delivery properties and apatite-like phase formation ability of the device have been demonstrated, getting promising results. This approach opens up the possibility of developing new stimuli-responsive tailored bio-materials for bone cancer and infection treatments as well as regenerative bone grafts.
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119
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Cheng X, Qu T, Ma C, Xiang D, Yu Q, Liu X. Bioactive mono-dispersed nanospheres with long-term antibacterial effects for endodontic sealing. J Mater Chem B 2017; 5:1195-1204. [PMID: 28944058 PMCID: PMC5606337 DOI: 10.1039/c6tb02819e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Endodontic sealers with antibacterial capability play an important role in preventing reinfection of an endodontically treated root canal and improving the long-term success of root canal treatment. However, current endodontic sealers rapidly lose their antibacterial properties after fixation. In this work, we designed and synthesized quaternized mono-dispersed bioactive nanospheres as a potential substrate for the development of a long-term antibacterial endodontic sealer with excellent cytocompatibility and biocompatibility. First, mono-dispersed silica-based bioactive glass nanospheres (SBG-NS) were prepared via a modified sol-gel process. Next, a series of quaternary ammonium methacrylate salts (QAMs) with broad antibacterial spectra were synthesized and grafted onto the surfaces of the SBG-NS via a two-step coupling approach. The antibacterial effect of the quaternary ammonium polymethacrylate (QAPM)-containing SBG-NS (SBG-QAPM) against persistent microorganisms associated with infected root canals was evaluated using a direct contact test. Evaluations of the SBG-QAPM cytocompatibility and biocompatibility were performed using LIVE/DEAD staining, 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyl-2, 5-tetrazoliumbromide (MTT) assay, and a calvarial implantation model. The results showed that the SBG-QAPMs had the strongest long-term antibacterial effect against the Enterococcus faecalis, Streptococcus mutans, and Streptococcus sanguis during the study period, the best cytocompatibility, and the lowest systemic inflammation compared to three commercial products: ProRoot MTA, Endomethasone C, and AH Plus. In addition, the SBG-QAPMs showed excellent stability in aqueous solution. This work indicates that the SBG-QAPMs are promising substrates for the development of long-term antibacterial endodontic sealers.
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Affiliation(s)
- Xiaogang Cheng
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, School of Stomatology, The Fourth Military Medical University, 710032, Shaanxi, China
- Biomedical Sciences Department, Texas A&M University College of Dentistry, Dallas, TX, 75246, USA
| | - Tiejun Qu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, School of Stomatology, The Fourth Military Medical University, 710032, Shaanxi, China
| | - Chi Ma
- Biomedical Sciences Department, Texas A&M University College of Dentistry, Dallas, TX, 75246, USA
| | - Doudou Xiang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, School of Stomatology, The Fourth Military Medical University, 710032, Shaanxi, China
| | - Qing Yu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Operative Dentistry and Endodontics, School of Stomatology, The Fourth Military Medical University, 710032, Shaanxi, China
| | - Xiaohua Liu
- Biomedical Sciences Department, Texas A&M University College of Dentistry, Dallas, TX, 75246, USA
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120
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Huang CY, Huang TH, Kao CT, Wu YH, Chen WC, Shie MY. Mesoporous Calcium Silicate Nanoparticles with Drug Delivery and Odontogenesis Properties. J Endod 2017; 43:69-76. [DOI: 10.1016/j.joen.2016.09.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 09/08/2016] [Accepted: 09/13/2016] [Indexed: 02/08/2023]
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121
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The effective role of alkali earth/alkali ratio on formation HCA nano particles for soda lime phospho silicate glass system. OPENNANO 2017. [DOI: 10.1016/j.onano.2017.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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122
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Garg S, Thakur S, Gupta A, Kaur G, Pandey OP. Antibacterial and anticancerous drug loading kinetics for (10-x)CuO-xZnO-20CaO-60SiO 2-10P 2O 5 (2 ≤ x ≤ 8) mesoporous bioactive glasses. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2017; 28:11. [PMID: 27943066 DOI: 10.1007/s10856-016-5827-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 11/29/2016] [Indexed: 06/06/2023]
Abstract
In the present study, antibacterial and anticancerous drug loading kinetics for the (10-x)CuO-xZnO-20CaO-60SiO2-10P2O5 (2≤x≤8, varying in steps of 2) mesoporous bioactive glasses (MBGs) have been studied. XRD analysis of the as prepared glass samples proved its amorphous nature. Scanning electron microscopy (SEM) revealed the apatite layer formation on the surface of the MBGs after soaking for 15 days in SBF. Ion dissolution studies of calcium, phosphorous and silicon have been performed using inductively coupled plasma (ICP). FTIR and Raman analysis depicted about the presence of various bonds and groups present in the glasses. The pore size of MBGs lies in the range of 4.2-9.7 nm. Apart from this, specific surface area of the MBGs varied from 263 to 402 cm2/g. The MBGs were loaded with Doxorubicin (DOX), Vancomycin (VANCO) and Tetracycline (TETRA) drugs among which, the decreasing copper content influenced the loading properties of doxorubicin and tetracycline drugs. Vancomycin was fully loaded almost in all the MBGs, whereas other drugs depicted varying loading with respect to the copper content.
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Affiliation(s)
- Shikha Garg
- Department of Physics, Punjabi University, Patiala, 147002, India
| | - Swati Thakur
- Department of Physics, Punjabi University, Patiala, 147002, India
| | - Aayush Gupta
- School of Physics and Materials Science, Thapar University, Patiala, 147004, India
| | - Gurbinder Kaur
- School of Physics and Materials Science, Thapar University, Patiala, 147004, India.
| | - Om Prakash Pandey
- School of Physics and Materials Science, Thapar University, Patiala, 147004, India.
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123
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Dadkhah M, Pontiroli L, Fiorilli S, Manca A, Tallia F, Tcacencu I, Vitale-Brovarone C. Preparation and characterisation of an innovative injectable calcium sulphate based bone cement for vertebroplasty application. J Mater Chem B 2017; 5:102-115. [DOI: 10.1039/c6tb02139e] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Spine-Ghost: a novel injectable resorbable cement containing mesoporous bioactive glass and a radiopaque glass-ceramic phase in a calcium sulphate matrix.
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Affiliation(s)
- Mehran Dadkhah
- Department of Applied Science and Technology
- Politecnico di Torino
- 10129 Torino
- Italy
| | - Lucia Pontiroli
- Department of Applied Science and Technology
- Politecnico di Torino
- 10129 Torino
- Italy
- Oral Biology
| | - Sonia Fiorilli
- Department of Applied Science and Technology
- Politecnico di Torino
- 10129 Torino
- Italy
| | - Antonio Manca
- Radiology Unit
- Istituto di Candiolo – Fondazione del Piemonte per l'Oncologia (FPO)
- IRCCS
- Candiolo (Torino)
- Italy
| | - Francesca Tallia
- Department of Applied Science and Technology
- Politecnico di Torino
- 10129 Torino
- Italy
- Department of Materials
| | - Ion Tcacencu
- Department of Dental Medicine
- Karolinska Institutet
- Huddinge
- Sweden
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124
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Leone G, Vona D, Lo Presti M, Urbano L, Cicco S, Gristina R, Palumbo F, Ragni R, Farinola GM. Ca2+-in vivo doped biosilica from living Thalassiosira weissflogii diatoms: investigation on Saos-2 biocompatibility. ACTA ACUST UNITED AC 2017. [DOI: 10.1557/adv.2017.49] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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125
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Cicco SR, Vona D, Gristina R, Sardella E, Ragni R, Lo Presti M, Farinola GM. Biosilica from Living Diatoms: Investigations on Biocompatibility of Bare and Chemically Modified Thalassiosira weissflogii Silica Shells. Bioengineering (Basel) 2016; 3:E35. [PMID: 28952597 PMCID: PMC5597278 DOI: 10.3390/bioengineering3040035] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 12/02/2016] [Accepted: 12/07/2016] [Indexed: 12/20/2022] Open
Abstract
In the past decade, mesoporous silica nanoparticles (MSNs) with a large surface area and pore volume have attracted considerable attention for their application in drug delivery and biomedicine. Here we propose biosilica from diatoms as an alternative source of mesoporous materials in the field of multifunctional supports for cell growth: the biosilica surfaces were chemically modified by traditional silanization methods resulting in diatom silica microparticles functionalized with 3-mercaptopropyl-trimethoxysilane (MPTMS) and 3-aminopropyl-triethoxysilane (APTES). Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy analyses revealed that the -SH or -NH₂ were successfully grafted onto the biosilica surface. The relationship among the type of functional groups and the cell viability was established as well as the interaction of the cells with the nanoporosity of frustules. These results show that diatom microparticles are promising natural biomaterials suitable for cell growth, and that the surfaces, owing to the mercapto groups, exhibit good biocompatibility.
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Affiliation(s)
- Stefania Roberta Cicco
- Italian National Council for Research-Institute for the Chemistry of OrganoMetallic Compounds (CNR-ICCOM)-Bari, Bari 70126, Italy.
| | - Danilo Vona
- Department of Chemistry, Università degli Studi di Bari Aldo Moro, Bari 70121, Italy.
| | | | | | - Roberta Ragni
- Department of Chemistry, Università degli Studi di Bari Aldo Moro, Bari 70121, Italy.
| | - Marco Lo Presti
- Department of Chemistry, Università degli Studi di Bari Aldo Moro, Bari 70121, Italy.
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126
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Ponsiglione AM, Russo M, Netti PA, Torino E. Impact of biopolymer matrices on relaxometric properties of contrast agents. Interface Focus 2016; 6:20160061. [PMID: 27920897 PMCID: PMC5071819 DOI: 10.1098/rsfs.2016.0061] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Properties of water molecules at the interface between contrast agents (CAs) for magnetic resonance imaging and macromolecules could have a valuable impact on the effectiveness of metal chelates. Recent studies, indeed, demonstrated that polymer architectures could influence CAs' relaxivity by modifying the correlation times of the metal chelate. However, an understanding of the physico-chemical properties of polymer/CA systems is necessary to improve the efficiency of clinically used CAs, still exhibiting low relaxivity. In this context, we investigate the impact of hyaluronic acid (HA) hydrogels on the relaxometric properties of Gd-DTPA, a clinically used CA, to understand better the determining role of the water, which is crucial for both the relaxation enhancement and the polymer conformation. To this aim, water self-diffusion coefficients, thermodynamic interactions and relaxometric properties of HA/Gd-DTPA solutions are studied through time-domain NMR relaxometry and isothermal titration calorimetry. We observed that the presence of Gd-DTPA could alter the polymer conformation and the behaviour of water molecules at the HA/Gd-DTPA interface, thus modulating the relaxivity of the system. In conclusion, the tunability of hydrogel structures could be exploited to improve magnetic properties of metal chelates, inspiring the development of new CAs as well as metallopolymer complexes with applications as sensors and memory devices.
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Affiliation(s)
- Alfonso Maria Ponsiglione
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Naples, Italy
- Center for Advanced Biomaterials for Healthcare IIT@CRIB, Istituto Italiano di Tecnologia, Largo Barsanti e Matteucci 53, 80125 Naples, Italy
| | - Maria Russo
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Naples, Italy
- Center for Advanced Biomaterials for Healthcare IIT@CRIB, Istituto Italiano di Tecnologia, Largo Barsanti e Matteucci 53, 80125 Naples, Italy
| | - Paolo Antonio Netti
- Department of Chemical, Materials and Production Engineering, University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Naples, Italy
- Interdisciplinary Research Center on Biomaterials, University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Naples, Italy
- Center for Advanced Biomaterials for Healthcare IIT@CRIB, Istituto Italiano di Tecnologia, Largo Barsanti e Matteucci 53, 80125 Naples, Italy
| | - Enza Torino
- Interdisciplinary Research Center on Biomaterials, University of Naples Federico II, Piazzale V. Tecchio 80, 80125 Naples, Italy
- Center for Advanced Biomaterials for Healthcare IIT@CRIB, Istituto Italiano di Tecnologia, Largo Barsanti e Matteucci 53, 80125 Naples, Italy
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127
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Galarraga-Vinueza ME, Mesquita-Guimarães J, Magini RS, Souza JCM, Fredel MC, Boccaccini AR. Anti-biofilm properties of bioactive glasses embedding organic active compounds. J Biomed Mater Res A 2016; 105:672-679. [DOI: 10.1002/jbm.a.35934] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 10/04/2016] [Accepted: 10/13/2016] [Indexed: 11/06/2022]
Affiliation(s)
- M. E. Galarraga-Vinueza
- Department of Dentistry (ODT), Center for Education and Research on Dental Implants (CEPID), Post-Graduate Program in Dentistry (PPGO); Federal University of Santa Catarina(UFSC); Florianópolis/SC 88040-900 Brazil
| | - J. Mesquita-Guimarães
- Department of Mechanical Engineering (EMC), Ceramic and Composite Materials Research Group (CERMAT); Federal University of Santa Catarina; Florianópolis 88040-900 Brazil
| | - R. S. Magini
- Department of Dentistry (ODT), Center for Education and Research on Dental Implants (CEPID), Post-Graduate Program in Dentistry (PPGO); Federal University of Santa Catarina(UFSC); Florianópolis/SC 88040-900 Brazil
| | - J. C. M. Souza
- Department of Dentistry (ODT), Center for Education and Research on Dental Implants (CEPID), Post-Graduate Program in Dentistry (PPGO); Federal University of Santa Catarina(UFSC); Florianópolis/SC 88040-900 Brazil
- Department of Mechanical Engineering (EMC), Ceramic and Composite Materials Research Group (CERMAT); Federal University of Santa Catarina; Florianópolis 88040-900 Brazil
| | - M. C. Fredel
- Department of Mechanical Engineering (EMC), Ceramic and Composite Materials Research Group (CERMAT); Federal University of Santa Catarina; Florianópolis 88040-900 Brazil
| | - A. R. Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials; University of Erlangen-Nuremberg; 91058 Erlangen Germany
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128
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Lucaciu O, Crisan B, Crisan L, Baciut M, Soritau O, Bran S, Biris AR, Hurubeanu L, Hedesiu M, Vacaras S, Kretschmer W, Dirzu N, Campian RS, Baciut G. In quest of optimal drug-supported and targeted bone regeneration in the cranio facial area: a review of techniques and methods. Drug Metab Rev 2016; 47:455-69. [PMID: 26689239 DOI: 10.3109/03602532.2015.1124889] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Craniofacial bone structures are frequently and extensively affected by trauma, tumors, bone infections and diseases, age-related degeneration and atrophy, as well as congenital malformations and developmental anomalies. Consequently, severe encumbrances are imposed on both patients and healthcare systems due to the complex and lengthy treatment duration. The search for alternative methods to bone transplantation, grafting and the use of homologous or heterologous bone thus responds to one of the most significant problems in human medicine. This review focuses on the current consensus of bone-tissue engineering in the craniofacial area with emphasis on drug-induced stem cell differentiation and induced bone regeneration.
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Affiliation(s)
- Ondine Lucaciu
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Bogdan Crisan
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Liana Crisan
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Mihaela Baciut
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Olga Soritau
- b "Ion Chiricuta" Oncological Institute , Cluj-Napoca , Romania
| | - Simion Bran
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Alexandru Radu Biris
- c National Institute for Research and Development of Isotopic and Molecular Technologies , Cluj-Napoca , Romania
| | - Lucia Hurubeanu
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Mihaela Hedesiu
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Sergiu Vacaras
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | | | - Noemi Dirzu
- e Technical University of Cluj-Napoca , Cluj-Napoca , Romania
| | - Radu Septimiu Campian
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
| | - Grigore Baciut
- a Department of Maxillofacial Surgery and Oral Implantology , "Iuliu Hatieganu" University of Medicine and Pharmacy , Cluj-Napoca , Romania
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129
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Baino F, Fiorilli S, Vitale-Brovarone C. Bioactive glass-based materials with hierarchical porosity for medical applications: Review of recent advances. Acta Biomater 2016; 42:18-32. [PMID: 27370907 DOI: 10.1016/j.actbio.2016.06.033] [Citation(s) in RCA: 140] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 06/11/2016] [Accepted: 06/28/2016] [Indexed: 11/24/2022]
Abstract
UNLABELLED Bioactive glasses have been traditionally used in the clinical practice to fill and restore osseous defects due to their unique ability to bond to host bone and stimulate new bone growth. In the last decade, a new set of bioactive glasses characterized by a highly ordered mesoporous texture has been developed and studied as a smart platform for the controlled release of biomolecules, in situ therapy and regenerative applications. This review points out the great potential carried by hierarchical bioactive glass scaffolds that exhibit pore scales from the meso- to the macro-range, and their impact in the broad field of tissue engineering, including the emerging applications in contact with soft tissues and diagnostics. Recent advances in the preparation methods of these multiscale constructs (e.g. mono- or multi-phase scaffolds, fibrous meshes, coated systems, porous nanospheres, and composites) are examined, along with their strengths and weaknesses. A bright future is expected for hierarchical systems based on biocompatible mesoporous materials as they can provide a unique set of functionalities, including enhanced bioactivity, local release of ions and drugs to elicit specific therapeutic effects (improved osteogenesis and angiogenesis, antibacterial properties), and implant/drug tracking, which were unthinkable when research on bioactive glasses began. STATEMENT OF SIGNIFICANCE The advent of mesoporous bioactive glasses led to the birth of a new class of multifunctional biomaterials that have been proposed as smart platforms for local drug release and bone regeneration. Furthermore, mesoporous materials have been recently employed in the development of hierarchical macro-mesoporous scaffolds, composites and implantable systems. This reviews summarizes the latest applications of these multiscale biomaterials in tissue engineering, including the emerging applications in contact with soft tissues and diagnostics. The preparation methods, current uses and potential of these constructs and systems are examined and critically discussed to provide a useful, up-to-date contribution to the scientists working in the field.
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130
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Preparation of Nanofibrous Structure of Mesoporous Bioactive Glass Microbeads for Biomedical Applications. MATERIALS 2016; 9:ma9060487. [PMID: 28773610 PMCID: PMC5456792 DOI: 10.3390/ma9060487] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 06/04/2016] [Accepted: 06/13/2016] [Indexed: 11/16/2022]
Abstract
A highly ordered, mesoporous (pore size 2~50 nm) bioactive glass (MBG) structure has a greater surface area and pore volume and excellent bone-forming bioactivity compared with traditional bioactive glasses (BGs). Hence, MBGs have been used in drug delivery and bone tissue engineering. MBGs can be developed as either a dense or porous block. Compared with a block, microbeads provide greater flexibility for filling different-shaped cavities and are suitable for culturing cells in vitro. In contrast, the fibrous structure of a scaffold has been shown to increase cell attachment and differentiation due to its ability to mimic the three-dimensional structure of natural extracellular matrices. Hence, the aim of this study is to fabricate MBG microbeads with a fibrous structure. First, a sol-gel/electrospinning technique was utilized to fabricate the MBG nanofiber (MBGNF) structure. Subsequently, the MBGNF microbeads (MFBs) were produced by an electrospraying technology. The results show that the diameter of the MFBs decreases when the applied voltage increases. The drug loading and release profiles and mechanisms of the MFBs were also evaluated. MFBs had a better drug entrapment efficiency, could reduce the burst release of tetracycline, and sustain the release over 10 days. Hence, the MFBs may be suitable drug carriers. In addition, the cellular attachment of MG63 osteoblast-like cells is significantly higher for MFBs than for glass microbeads after culturing for 4 h. The nanofibrous structure of MFBs could provide an appropriate environment for cellular spreading. Therefore, MFBs have great potential for use as a bone graft material in bone tissue engineering applications.
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131
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Vichery C, Nedelec JM. Bioactive Glass Nanoparticles: From Synthesis to Materials Design for Biomedical Applications. MATERIALS (BASEL, SWITZERLAND) 2016; 9:E288. [PMID: 28773412 PMCID: PMC5502981 DOI: 10.3390/ma9040288] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 04/08/2016] [Accepted: 04/11/2016] [Indexed: 02/06/2023]
Abstract
Thanks to their high biocompatibility and bioactivity, bioactive glasses are very promising materials for soft and hard tissue repair and engineering. Because bioactivity and specific surface area intrinsically linked, the last decade has seen a focus on the development of highly porous and/or nano-sized materials. This review emphasizes the synthesis of bioactive glass nanoparticles and materials design strategies. The first part comprehensively covers mainly soft chemistry processes, which aim to obtain dispersible and monodispersed nanoparticles. The second part discusses the use of bioactive glass nanoparticles for medical applications, highlighting the design of materials. Mesoporous nanoparticles for drug delivery, injectable systems and scaffolds consisting of bioactive glass nanoparticles dispersed in a polymer, implant coatings and particle dispersions will be presented.
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Affiliation(s)
- Charlotte Vichery
- SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, BP 10448, Clermont-Ferrand F-63000, France.
- CNRS, UMR 6296, ICCF, Aubiere F-63178, France.
| | - Jean-Marie Nedelec
- SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, BP 10448, Clermont-Ferrand F-63000, France.
- CNRS, UMR 6296, ICCF, Aubiere F-63178, France.
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132
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Inhibition of osteoclastogenesis through siRNA delivery with tunable mesoporous bioactive nanocarriers. Acta Biomater 2016; 29:352-364. [PMID: 26432439 DOI: 10.1016/j.actbio.2015.09.035] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 09/01/2015] [Accepted: 09/28/2015] [Indexed: 11/20/2022]
Abstract
Gene silencing through siRNA delivery has shown great promise for treating diseases and repairing damaged tissues, including bone. This report is the first to develop siRNA delivery system in the inhibition of osteoclastic functions which in turn can help turn-over bone mass increase in the diseases like osteoporosis. For this reason, biocompatible and degradable nanocarriers that can effectively load and deliver genetic molecules to target cells and tissues are being actively sought by researchers. In this study, mesoporous bioactive glass nanospheres (MBG), a novel unique biocompatible degradable inorganic nanocarrier, is introduced. Furthermore, siRNA was designed to function by inhibiting the expression of the receptor activator of nuclear factor kappa B (RANK) in order to suppress osteoclastogenesis. Amine-functionalized MBG were synthesized with tunable mesoporosities, showing a strong complexation with siRNA. An in vitro release profile indicated that the siRNA from the MBG was able to achieve a highly sustainable liberation for up to 4 days, confirming a temporary delivery system can be designed to function for that period of time. The intracellular uptake capacity of the complex siRNA(RANK)-MBG was recorded to be around 70%. Furthermore, the RANK-expressing cell population declined down to 29% due to the delivery of siRNA(RANK)-MBG (vs. 86% in control). The expression of osteoclastogenesis-related genes, including c-fos, cathepsin-K, tartrate-resistant acid phosphatase (TRAP), and nuclear factor of activated T-cells cytoplasmic 1 (NFATc1), was substantially down-regulated by the siRNA delivery system. This study reports for the first time on the use of a novel MBG delivery system for siRNA that aims to suppress osteoclastic actions. MBGs may be a potential gene delivery platform for hard tissue repair and disease treatment due to the collective results which indicate a high loading capacity, temporary release kinetics, high intracellular uptake rate, and sufficient gene silencing effects, together with the intrinsic beneficial properties like bone-bioactivity and degradability. STATEMENT OF SIGNIFICANCE This report is the first to develop siRNA delivery system of biocompatible and degradable nanocarriers made from a unique composition, i.e., mesoporous bioactive glass that can effectively load and deliver genetic molecules to osteoclastic cells. We proved through a series of studies that the biocompatible nanocarriers are effective for the delivery of siRNA in the inhibition of osteoclastic functions which thus might be considered as a nanocarrier platform to help turn-over bone mass increase in the diseases like osteoporosis.
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133
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Kaur G, Pandey OP, Singh K, Chudasama B, Kumar V. Combined and individual doxorubicin/vancomycin drug loading, release kinetics and apatite formation for the CaO–CuO–P2O5–SiO2–B2O3 mesoporous glasses. RSC Adv 2016. [DOI: 10.1039/c6ra06829d] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The novel mesoporous glass series based on (25 − x)CaO–xCuO–10P2O5–5B2O3–60SiO2 (x = 2.5, 5, 7.5, 10) has been prepared using the sol–gel technique.
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Affiliation(s)
- Gurbinder Kaur
- School of Physics and Materials Science
- Thapar University
- Patiala-147004
- India
| | - O. P. Pandey
- School of Physics and Materials Science
- Thapar University
- Patiala-147004
- India
| | - K. Singh
- School of Physics and Materials Science
- Thapar University
- Patiala-147004
- India
| | | | - V. Kumar
- Shri Guru Granth Sahib World University
- Fatehgarh Sahib
- India
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134
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LEE JH, SEO SJ, KIM HW. Bioactive glass-based nanocomposites for personalized dental tissue regeneration. Dent Mater J 2016; 35:710-720. [DOI: 10.4012/dmj.2015-428] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Jung-Hwan LEE
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University
| | - Seog-Jin SEO
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University
- Department of Nanobiomedical Science, Dankook University
| | - Hae-Won KIM
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University
- Department of Nanobiomedical Science, Dankook University
- BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University
- Department of Biomaterials Science, College of Dentistry, Dankook University
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135
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Kiefer K, Amlung M, Aktas OC, de Oliveira PW, Abdul-Khaliq H. Novel glass-like coatings for cardiovascular implant application: Preparation, characterization and cellular interaction. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 58:812-6. [PMID: 26478375 DOI: 10.1016/j.msec.2015.09.063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Revised: 09/04/2015] [Accepted: 09/14/2015] [Indexed: 10/23/2022]
Abstract
Glass coatings are of great interest for biomedical implant application due to their excellent properties. Nowadays they are used in different fields including drug delivery, for bone tissue regeneration or as implant. Nevertheless they can only be applied using high temperatures. Therefore their usage in the field of cardiovascular implant application is still restricted. Accordingly new developments in this field have been carried out to overcome this problem and to coat cardiovascular implants. Here, novel glass-like coatings have been developed and applied using sol-gel technique at moderate temperatures. The biocompatibility and selectivity have been analyzed using human endothelial cells. The obtained results clarify that the developed compositions can either promote or suppress endothelial cell growth only by altering the sintering atmosphere. A later application as thin layer on cardiovascular implants like stents is conceivable.
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Affiliation(s)
- Karin Kiefer
- Clinic for Pediatric Cardiology, Saarland University, 66421 Homburg, Germany.
| | - Martin Amlung
- INM - Leibniz Institute for New Materials, 66123 Saarbruecken, Germany
| | - Oral Cenk Aktas
- INM - Leibniz Institute for New Materials, 66123 Saarbruecken, Germany
| | | | - Hashim Abdul-Khaliq
- Clinic for Pediatric Cardiology, Saarland University, 66421 Homburg, Germany
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136
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Hoppe A, Brandl A, Bleiziffer O, Arkudas A, Horch RE, Jokic B, Janackovic D, Boccaccini AR. In vitro cell response to Co-containing 1393 bioactive glass. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 57:157-63. [DOI: 10.1016/j.msec.2015.07.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2015] [Revised: 06/21/2015] [Accepted: 07/09/2015] [Indexed: 02/07/2023]
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137
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Min Z, Shichang Z, Chen X, Yufang Z, Changqing Z. 3D-printed dimethyloxallyl glycine delivery scaffolds to improve angiogenesis and osteogenesis. Biomater Sci 2015. [PMID: 26222039 DOI: 10.1039/c5bm00132c] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Angiogenesis-osteogenesis coupling processes are vital in bone tissue engineering. Normal biomaterials implanted in bone defects have issues in the sufficient formation of blood vessels, especially in the central part. Single delivery of vascular endothelial growth factors (VEGF) to foci in previous studies did not show satisfactory results due to low loading doses, a short protein half-life and low efficiency. Development of a hypoxia-mimicking microenvironment for cells by local prolyl-4-hydroxylase inhibitor release, which can stabilize hypoxia-inducible factor 1α (HIF-1α) expression, is an alternative method. The aim of this study was to design a dimethyloxallyl glycine (DMOG) delivering scaffold composed of mesoporous bioactive glasses and poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) polymers (MPHS scaffolds), so as to investigate whether the sustained release of DMOG promotes local angiogenesis and bone healing. The morphology and microstructure of composite scaffolds were characterized. The DMOG release patterns from scaffolds loaded with different DMOG dosages were evaluated, and the effects of DMOG delivery on human bone marrow stromal cell (hBMSC) adhesion, viability, proliferation, osteogenic differentiation and angiogenic-relative gene expressions with scaffolds were also investigated. In vivo studies were carried out to observe vascular formations and new bone ingrowth with DMOG-loaded scaffolds. The results showed that DMOG could be released in a sustained manner over 4 weeks from MPHS scaffolds and obviously enhance the angiogenesis and osteogenesis in the defects. Microfil perfusion showed a significantly increased formation of vessels in the defects with DMOG delivery. Furthermore, micro-CT imaging and fluorescence labeling indicated larger areas of bone formation for DMOG-loaded scaffolds. It is concluded that MPHS-DMOG scaffolds are promising for enhancing bone healing of osseous defects.
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Affiliation(s)
- Zhu Min
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, People's Republic of China.
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138
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Kaur G, Pickrell G, Sriranganathan N, Kumar V, Homa D. Review and the state of the art: Sol-gel and melt quenched bioactive glasses for tissue engineering. J Biomed Mater Res B Appl Biomater 2015; 104:1248-75. [PMID: 26060931 DOI: 10.1002/jbm.b.33443] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Revised: 03/19/2015] [Accepted: 04/14/2015] [Indexed: 01/26/2023]
Abstract
Biomaterial development is currently the most active research area in the field of biomedical engineering. The bioglasses possess immense potential for being the ideal biomaterials due to their high adaptiveness to the biological environment as well as tunable properties. Bioglasses like 45S5 has shown great clinical success over the past 10 years. The bioglasses like 45S5 were prepared using melt-quenching techniques but recently porous bioactive glasses have been derived through sol-gel process. The synthesis route exhibits marked effect on the specific surface area, as well as degradability of the material. This article is an attempt to provide state of the art of the sol-gel and melt quenched bioactive bioglasses for tissue regeneration. Fabrication routes for bioglasses suitable for bone tissue engineering are highlighted and the effect of these fabrication techniques on the porosity, pore-volume, mechanical properties, cytocompatibilty and especially apatite layer formation on the surface of bioglasses is analyzed in detail. Drug delivery capability of bioglasses is addressed shortly along with the bioactivity of mesoporous glasses. © 2015 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 104B: 1248-1275, 2016.
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Affiliation(s)
- Gurbinder Kaur
- Department of Material Science and Engineering, Holden Hall, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, 24060, USA.,School of Physics & Materials Science, Thapar University, Patiala, 147004, India
| | - Gary Pickrell
- Department of Material Science and Engineering, Holden Hall, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, 24060, USA
| | - Nammalwar Sriranganathan
- Department of Biomedical Sciences and Pathobiology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, 24060, USA
| | - Vishal Kumar
- Department of Material Science and Engineering, Holden Hall, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, 24060, USA.,Sri Guru Granth Sahib World University, Fatehgarh Sahib, 140406, India
| | - Daniel Homa
- Department of Material Science and Engineering, Holden Hall, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, 24060, USA
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139
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Shadjou N, Hasanzadeh M. Bone tissue engineering using silica-based mesoporous nanobiomaterials:Recent progress. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 55:401-9. [PMID: 26117771 DOI: 10.1016/j.msec.2015.05.027] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Revised: 04/25/2015] [Accepted: 05/08/2015] [Indexed: 12/25/2022]
Abstract
Bone disorders are of significant concern due to increase in the median age of our population. It is in this context that tissue engineering has been emerging as a valid approach to the current therapies for bone regeneration/substitution. Tissue-engineered bone constructs have the potential to alleviate the demand arising from the shortage of suitable autograft and allograft materials for augmenting bone healing. Silica based mesostructured nanomaterials possessing pore sizes in the range 2-50 nm and surface reactive functionalities have elicited immense interest due to their exciting prospects in bone tissue engineering. In this review we describe application of silica-based mesoporous nanomaterials for bone tissue engineering. We summarize the preparation methods, the effect of mesopore templates and composition on the mesopore-structure characteristics, and different forms of these materials, including particles, fibers, spheres, scaffolds and composites. Also, the effect of structural and textural properties of mesoporous materials on development of new biomaterials for production of bone implants and bone cements was discussed. Also, application of different mesoporous materials on construction of manufacture 3-dimensional scaffolds for bone tissue engineering was discussed. It begins by giving the reader a brief background on tissue engineering, followed by a comprehensive description of all the relevant components of silica-based mesoporous biomaterials on bone tissue engineering, going from materials to scaffolds and from cells to tissue engineering strategies that will lead to "engineered" bone.
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Affiliation(s)
- Nasrin Shadjou
- Department of Nanochemistry, Nano Technology Research Center and Faculty of Chemistry, Urmia University, Urmia, Iran.
| | - Mohammad Hasanzadeh
- Department of Nanochemistry, Nano Technology Research Center and Faculty of Chemistry, Urmia University, Urmia, Iran; Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz 51664, Iran.
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140
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Wang D, Lin H, Jiang J, Jin Q, Li L, Dong Y, Qu F. Fabrication of long‐acting drug release property of hierarchical porous bioglasses/polylactic acid fibre scaffolds for bone tissue engineering. IET Nanobiotechnol 2015; 9:58-65. [DOI: 10.1049/iet-nbt.2013.0011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Affiliation(s)
- Dan Wang
- State Key Laboratory of Photoelectric Band Gap MaterialsCollege of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbinPeople's Republic of China
| | - Huiming Lin
- State Key Laboratory of Photoelectric Band Gap MaterialsCollege of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbinPeople's Republic of China
| | - Jingjie Jiang
- State Key Laboratory of Photoelectric Band Gap MaterialsCollege of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbinPeople's Republic of China
| | - Qumei Jin
- State Key Laboratory of Photoelectric Band Gap MaterialsCollege of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbinPeople's Republic of China
| | - Lei Li
- State Key Laboratory of Photoelectric Band Gap MaterialsCollege of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbinPeople's Republic of China
| | - Yan Dong
- State Key Laboratory of Photoelectric Band Gap MaterialsCollege of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbinPeople's Republic of China
| | - Fengyu Qu
- State Key Laboratory of Photoelectric Band Gap MaterialsCollege of Chemistry and Chemical EngineeringHarbin Normal UniversityHarbinPeople's Republic of China
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141
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Miguez-Pacheco V, Hench LL, Boccaccini AR. Bioactive glasses beyond bone and teeth: emerging applications in contact with soft tissues. Acta Biomater 2015; 13:1-15. [PMID: 25462853 DOI: 10.1016/j.actbio.2014.11.004] [Citation(s) in RCA: 235] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 10/19/2014] [Accepted: 11/04/2014] [Indexed: 12/11/2022]
Abstract
The applications of bioactive glasses (BGs) have to a great extent been related to the replacement, regeneration and repair of hard tissues, such as bone and teeth, and there is an extensive bibliography documenting the role of BGs as bone replacement materials and in bone tissue engineering applications. Interestingly, many of the biochemical reactions arising from the contact of BGs with bodily fluids, in particular the local increase in concentration of various ions at the glass-tissue interface, are also relevant to mechanisms involved in soft tissue regeneration. An increasing number of studies report on the application of BGs in contact with soft tissues, aiming at exploiting the well-known bioactive properties of BGs in soft tissue regeneration and wound healing. This review focuses on research, sometimes involving preliminary in vitro studies but also in vivo evidence, that demonstrates the suitability of BGs in contact with tissues outside the skeletal system, which includes studies investigating vascularization, wound healing and cardiac, lung, nerve, gastrointestinal, urinary tract and laryngeal tissue repair using BGs in various forms of particulates, fibers and nanoparticles with and without polymer components. Potentially active mechanisms of interaction of BGs and soft tissues based on the surface bioreactivity of BGs and on biomechanical stimuli affecting the soft tissue-BG collagenous bonding are discussed based on results in the literature.
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142
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Fan W, Wu D, Ma T, Fan B. Ag-loaded mesoporous bioactive glasses against Enterococcus faecalis biofilm in root canal of human teeth. Dent Mater J 2015; 34:54-60. [PMID: 25748459 DOI: 10.4012/dmj.2014-104] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Ag-loaded mesoporous bioactive glass (Ag-MBG) powders were synthesized and characterized. The ions release of Ag-MBGs in Tris-HCl and the pH stability of simulated body fluids after immersing Ag-MBGs were tested. Root canals were inoculated with Enterococcus faecalis for 4 weeks, and the antibacterial activity of MBGs, Ag-MBGs and calcium hydroxide against E. faecalis biofilm were evaluated. Results showed that Ag-MBGs possessed highly ordered mesoporous structure with silver nanoparticles deposited in the mesopores, which enabled a sustained Ag ions released. The biofilms treated with Ag-MBGs showed a significant structural disruption compared with MBGs. These results indicated that Ag-MBGs possess a potent antibacterial effect against E.faecalis biofilm in root canal, and the antibacterial activity was induced by the release of Ag ions from Ag-MBGs.
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Affiliation(s)
- Wei Fan
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of Stomatology, Wuhan University
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143
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Gómez-Cerezo N, Izquierdo-Barba I, Arcos D, Vallet-Regí M. Tailoring the biological response of mesoporous bioactive materials. J Mater Chem B 2015; 3:3810-3819. [DOI: 10.1039/c5tb00268k] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mesoporous bioactive glasses can be tailored using structure directing agents to optimize their biological response.
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Affiliation(s)
- N. Gómez-Cerezo
- Departamento de Química Inorgánica y Bioinorgánica
- Facultad de Farmacia
- Universidad Complutense de Madrid
- Instituto de Investigación Sanitaria Hospital
- 12 de Octubre i+12
| | - I. Izquierdo-Barba
- Departamento de Química Inorgánica y Bioinorgánica
- Facultad de Farmacia
- Universidad Complutense de Madrid
- Instituto de Investigación Sanitaria Hospital
- 12 de Octubre i+12
| | - D. Arcos
- Departamento de Química Inorgánica y Bioinorgánica
- Facultad de Farmacia
- Universidad Complutense de Madrid
- Instituto de Investigación Sanitaria Hospital
- 12 de Octubre i+12
| | - M. Vallet-Regí
- Departamento de Química Inorgánica y Bioinorgánica
- Facultad de Farmacia
- Universidad Complutense de Madrid
- Instituto de Investigación Sanitaria Hospital
- 12 de Octubre i+12
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144
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Wang X, Shi M, Zhai D, Wu C. Preparation, physicochemical properties and in vitro bioactivity of hierarchically porous bioactive glass scaffolds. RSC Adv 2015. [DOI: 10.1039/c5ra19125d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Bioactive glass scaffolds with macropores (300–500 μm), midpores (20 nm to 2 μm) and mesopores (around 5 nm) were prepared using P123, yeast cells and polyurethane sponges as templates.
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Affiliation(s)
- Xiaocheng Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure
- Shanghai Institute of Ceramics
- Chinese Academy of Sciences
- Shanghai 200050
- China
| | - 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
| | - Chengtie Wu
- 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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145
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Haro Durand LA, Vargas GE, Romero NM, Vera-Mesones R, Porto-López JM, Boccaccini AR, Zago MP, Baldi A, Gorustovich A. Angiogenic effects of ionic dissolution products released from a boron-doped 45S5 bioactive glass. J Mater Chem B 2014; 3:1142-1148. [PMID: 32261993 DOI: 10.1039/c4tb01840k] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In regenerative medicine of vascularized tissues, there is a great interest in the use of biomaterials that are able to stimulate angiogenesis, a process necessary for rapid revascularization to allow the transport and exchange of oxygen, nutrients, growth factors and cells that take part in tissue repair and/or regeneration. An increasing number of publications have shown that bioactive glasses stimulate angiogenesis. Because it has been established that boron (B) may play a role in angiogenesis, the aim of this study was to assess the in vivo angiogenic effects of the ionic dissolution products that from a bioactive glass (BG) in the 45S5 system doped with 2 wt% B2O3 (45S5.2B). The pro-angiogenic capacity of 45S5.2B BG was assessed on the vasculature of the embryonic quail chorioallantoic membrane (CAM). Ionic dissolution products from 45S5.2B BG increased angiogenesis. This is quantitatively evidenced by the greater expression of integrin αvβ3 and higher vascular density in the embryonic quail CAM. The response observed at 2 and 5 days post-treatment was equivalent to that achieved by applying 10 µg mL-1 of basic fibroblast growth factor. These results show that the ionic dissolution products released from the bioactive glass 45S5.2B stimulate angiogenesis in vivo. The effects observed are attributed to the presence the ionic dissolution products, which contained 160 ± 10 µM borate.
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Affiliation(s)
- Luis A Haro Durand
- Interdisciplinary Materials Group-IESIING-UCASAL, INTECIN UBA-CONICET, Campus Castañares, A4400EDD, Salta, Argentina.
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146
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Zhang J, Zhao S, Zhu M, Zhu Y, Zhang Y, Liu Z, Zhang C. 3D-printed magnetic Fe 3O 4/MBG/PCL composite scaffolds with multifunctionality of bone regeneration, local anticancer drug delivery and hyperthermia. J Mater Chem B 2014; 2:7583-7595. [PMID: 32261896 DOI: 10.1039/c4tb01063a] [Citation(s) in RCA: 147] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In this study, three-dimensional (3D) magnetic Fe3O4 nanoparticles containing mesoporous bioactive glass/polycaprolactone (Fe3O4/MBG/PCL) composite scaffolds have been fabricated by the 3D-printing technique. The physiochemical properties, in vitro bioactivity, anticancer drug delivery, mechanical strength, magnetic heating ability and cell response of Fe3O4/MBG/PCL scaffolds were systematically investigated. The results showed that Fe3O4/MBG/PCL scaffolds had uniform macropores of 400 μm, high porosity of 60% and excellent compressive strength of 13-16 MPa. The incorporation of magnetic Fe3O4 nanoparticles into MBG/PCL scaffolds did not influence their apatite mineralization ability but endowed excellent magnetic heating ability and significantly stimulated proliferation, alkaline phosphatase (ALP) activity, osteogenesis-related gene expression (RUNX2, OCN, BSP, BMP-2 and Col-1) and extra-cellular matrix (ECM) mineralization of human bone marrow-derived mesenchymal stem cells (h-BMSCs). Moreover, using doxorubicin (DOX) as a model anticancer drug, Fe3O4/MBG/PCL scaffolds exhibited a sustained drug release for use in local drug delivery therapy. Therefore, the 3D-printed Fe3O4/MBG/PCL scaffolds showed the potential multifunctionality of enhanced osteogenic activity, local anticancer drug delivery and magnetic hyperthermia.
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Affiliation(s)
- Jianhua Zhang
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai 200093, People's Republic of China
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147
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Development of Novel Mesoporous Silica-Based Bioactive Glass Scaffolds with Drug Delivery Capabilities. ACTA ACUST UNITED AC 2014. [DOI: 10.4028/www.scientific.net/ast.96.54] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel silica-based bioactive glasses were successfully prepared by the sol-gel method. The optimized glass composition for fabrication of the scaffolds was (in mol.%) 60% SiO2 – 30% CaO - 5% Na2O - 5% P2O5 (60S30C5N5P). This composition was confirmed to develop a thick hydroxycarbonate apatite (HCA) layer in Simulated Body Fluid (SBF) after 7 days, as revealed by Fourier Transform Infrared Spectroscopy (FTIR), indicating the bioactive character of the scaffolds. The mesoporous nature of the glass structure allows the load of tetracycline and a sustained release of the drug in PBS during 7 days was measured.
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148
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Xia X, Pethe K, Kim R, Ballell L, Barros D, Cechetto J, Jeon H, Kim K, Garcia-Bennett AE. Encapsulation of Anti-Tuberculosis Drugs within Mesoporous Silica and Intracellular Antibacterial Activities. NANOMATERIALS 2014; 4:813-826. [PMID: 28344250 PMCID: PMC5304699 DOI: 10.3390/nano4030813] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2014] [Revised: 08/18/2014] [Accepted: 08/25/2014] [Indexed: 11/16/2022]
Abstract
Tuberculosis is a major problem in public health. While new effective treatments to combat the disease are currently under development, they tend suffer from poor solubility often resulting in low and/or inconsistent oral bioavailability. Mesoporous materials are here investigated in an in vitro intracellular assay, for the effective delivery of compound PA-824; a poorly soluble bactericidal agent being developed against Tuberculosis (TB). Mesoporous materials enhance the solubility of PA-824; however, this is not translated into a higher antibacterial activity in TB-infected macrophages after 5 days of incubation, where similar values are obtained. The lack of improved activity may be due to insufficient release of the drug from the mesopores in the context of the cellular environment. However, these results show promising data for the use of mesoporous particles in the context of oral delivery with expected improvements in bioavailability.
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Affiliation(s)
- Xin Xia
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, Stockholm SE-106 91, Sweden.
- Nanologica AB, Drottning Kristinas Väg 61, Stockholm SE-114 28, Sweden.
| | - Kevin Pethe
- Screening Technologies and Pharmacology Group, Institute Pasteur Korea, Bundang gu, Seongnam-si, Gyeonggi-do 463-742, Korea.
| | - Ryangyeo Kim
- Screening Technologies and Pharmacology Group, Institute Pasteur Korea, Bundang gu, Seongnam-si, Gyeonggi-do 463-742, Korea.
| | - Lluis Ballell
- The Diseases of the Developing World Centre, GlaxoSmithKline, Severo Ochoa 2, Tres Cantos, Madrid 28760, Spain.
| | - David Barros
- The Diseases of the Developing World Centre, GlaxoSmithKline, Severo Ochoa 2, Tres Cantos, Madrid 28760, Spain.
| | - Jonathan Cechetto
- Screening Technologies and Pharmacology Group, Institute Pasteur Korea, Bundang gu, Seongnam-si, Gyeonggi-do 463-742, Korea.
| | - HeeKyoung Jeon
- Screening Technologies and Pharmacology Group, Institute Pasteur Korea, Bundang gu, Seongnam-si, Gyeonggi-do 463-742, Korea.
| | - Kideok Kim
- Screening Technologies and Pharmacology Group, Institute Pasteur Korea, Bundang gu, Seongnam-si, Gyeonggi-do 463-742, Korea.
| | - Alfonso E Garcia-Bennett
- Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, Stockholm SE-106 91, Sweden.
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149
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Sánchez-Salcedo S, Shruti S, Salinas AJ, Malavasi G, Menabue L, Vallet-Regí M. In vitro antibacterial capacity and cytocompatibility of SiO 2-CaO-P 2O 5 meso-macroporous glass scaffolds enriched with ZnO. J Mater Chem B 2014; 2:4836-4847. [PMID: 32261775 DOI: 10.1039/c4tb00403e] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Zn2+ ions exhibit osteogenic, angiogenic and antimicrobial properties. For this reason, they are often added in small amounts to bioceramics being investigated for bone tissue engineering. In this paper, the cytocompatibility and antibacterial properties of 80% SiO2-15% CaO-5% P2O5 (mol%) mesoporous bioactive glass (MBG) scaffolds substituted with 4.0% and 7.0% of ZnO were studied and compared with the Zn-free scaffold. Cell proliferation, morphology, differentiation and cytotoxic effects of Zn2+ ions released from the samples were examined by culturing human osteoblast-like cells (HOS) osteoblasts both in the presence of sample extracts and on the scaffold surface. The bacterial inhibition capacity of the scaffolds was explored by using Gram-positive Stapylococcus aureus bacteria, responsible for numerous infections in orthopedic surgery, to simulate a severe infection. Our results show that the Zn-MBG scaffolds possess a hierarchical meso-macropore structure suitable for osteoblast growth. Furthermore, the amount of Zn2+ released from the scaffold with 4.0% ZnO was found to be more favorable for HOS cell development than that released from the scaffold including 7.0% ZnO. Zn2+ released to the medium from both scaffolds exhibited antibacterial properties against S. aureus. Thus, the cytocompatibility and the antibacterial ability exhibited by the MBG scaffold containing 4.0% ZnO make it a suitable candidate for bone regeneration applications.
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Affiliation(s)
- Sandra Sánchez-Salcedo
- Departamento de Química Inorgánica y Bioinorgánica, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
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150
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Huang CL, Lee WL, Loo JS. Drug-eluting scaffolds for bone and cartilage regeneration. Drug Discov Today 2014; 19:714-24. [DOI: 10.1016/j.drudis.2013.11.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Revised: 10/16/2013] [Accepted: 11/06/2013] [Indexed: 12/19/2022]
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