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Sathiyavimal S, Vasantharaj S, Mattheos N, Pugazhendhi A, Subbalekha K. Mussel shell-derived biogenic hydroxyapatite as reinforcement on chitosan-loaded gentamicin composite for antibacterial activity and bone regeneration. Int J Biol Macromol 2024; 278:134143. [PMID: 39069060 DOI: 10.1016/j.ijbiomac.2024.134143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 07/22/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
In this study, hydroxyapatite (HAp) was synthesized from natural biowaste materials, specifically mussel shells, and combined with chitosan (CS) and gentamicin sulfate antibiotic (GA) using an in-situ method. The resulting composite material, designated HAp/CS-GA, has its physicochemical and structural properties characterized by Fourier transform infrared spectroscopy (FTIR) analysis. The structure was confirmed by X-ray diffraction (XRD) analysis. Additionally, field emission scanning electron microscopy (FE-SEM) equipped with the energy dispersive X-ray spectroscopic (EDX) technique was used to determine the surface topography and main components. The composite of HAp/CS-GA was analyzed using a drug release profile by UV-visible spectroscopy (UV-Vis). The fabricated composites antimicrobial behavior was examined against bone infection-causing Gram-positive and Gram-negative bacteria, showing potential activity against Klebsiella pneumoniae, Pseudomonas aeruginosa, and Staphylococcus aureus compared to Escherichia coli, respectively. Simultaneously, the cytotoxicity of the composite was evaluated by MTT assay using an MG-63 osteoblast-like cell line that exhibited no toxicity in the prepared composite. After a 24 h incubation period, the MG-63 cells on the HAp/CS-GA composite showed good proliferation, according to Hoechst 33258 fluorescence staining results. The results suggested that the composite had excellent biocompatibility and antibacterial activity and enhanced the osteoblast cell proliferation. Therefore, the designed HAp/CS-GA composite would be a promising candidate for bone tissue engineering.
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Affiliation(s)
- Selvam Sathiyavimal
- Oral and Maxillofacial Surgery and Digital Implant Surgery Research Unit, Chulalongkorn University, Bangkok, Thailand
| | - Seerangaraj Vasantharaj
- Micro/Nano Electromechanical Integrated Device Research Unit, Department of Mechanical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
| | - Nikos Mattheos
- Oral and Maxillofacial Surgery and Digital Implant Surgery Research Unit, Chulalongkorn University, Bangkok, Thailand; Department of Dental Medicine, Karolinska Institute, Stockholm, Sweden; Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Arivalagan Pugazhendhi
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India
| | - Keskanya Subbalekha
- Oral and Maxillofacial Surgery and Digital Implant Surgery Research Unit, Chulalongkorn University, Bangkok, Thailand; Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.
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Constantinescu S, Niculescu AG, Hudiță A, Grumezescu V, Rădulescu D, Bîrcă AC, Dorcioman G, Gherasim O, Holban AM, Gălățeanu B, Vasile BȘ, Grumezescu AM, Bolocan A, Rădulescu R. Nanostructured Coatings Based on Graphene Oxide for the Management of Periprosthetic Infections. Int J Mol Sci 2024; 25:2389. [PMID: 38397066 PMCID: PMC10889398 DOI: 10.3390/ijms25042389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 02/25/2024] Open
Abstract
To modulate the bioactivity and boost the therapeutic outcome of implantable metallic devices, biodegradable coatings based on polylactide (PLA) and graphene oxide nanosheets (nGOs) loaded with Zinforo™ (Zin) have been proposed in this study as innovative alternatives for the local management of biofilm-associated periprosthetic infections. Using a modified Hummers protocol, high-purity and ultra-thin nGOs have been obtained, as evidenced by X-ray diffraction (XRD) and transmission electron microscopy (TEM) investigations. The matrix-assisted pulsed laser evaporation (MAPLE) technique has been successfully employed to obtain the PLA-nGO-Zin coatings. The stoichiometric and uniform transfer was revealed by infrared microscopy (IRM) and scanning electron microscopy (SEM) studies. In vitro evaluation, performed on fresh blood samples, has shown the excellent hemocompatibility of PLA-nGO-Zin-coated samples (with a hemolytic index of 1.15%), together with their anti-inflammatory ability. Moreover, the PLA-nGO-Zin coatings significantly inhibited the development of mature bacterial biofilms, inducing important anti-biofilm efficiency in the as-coated samples. The herein-reported results evidence the promising potential of PLA-nGO-Zin coatings to be used for the biocompatible and antimicrobial surface modification of metallic implants.
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Affiliation(s)
- Sorin Constantinescu
- Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Street, 050474 Bucharest, Romania; (S.C.); (D.R.); (A.B.); (R.R.)
| | - Adelina-Gabriela Niculescu
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 90-92 Panduri, 050663 Bucharest, Romania; (A.-G.N.); (A.H.); (A.M.H.)
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 060042 Bucharest, Romania; (A.C.B.); (B.Ș.V.)
| | - Ariana Hudiță
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 90-92 Panduri, 050663 Bucharest, Romania; (A.-G.N.); (A.H.); (A.M.H.)
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, 050095 Bucharest, Romania;
| | - Valentina Grumezescu
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Romania; (V.G.); (G.D.); (O.G.)
| | - Dragoș Rădulescu
- Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Street, 050474 Bucharest, Romania; (S.C.); (D.R.); (A.B.); (R.R.)
| | - Alexandra Cătălina Bîrcă
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 060042 Bucharest, Romania; (A.C.B.); (B.Ș.V.)
| | - Gabriela Dorcioman
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Romania; (V.G.); (G.D.); (O.G.)
| | - Oana Gherasim
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomistilor Street, 077125 Magurele, Romania; (V.G.); (G.D.); (O.G.)
| | - Alina Maria Holban
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 90-92 Panduri, 050663 Bucharest, Romania; (A.-G.N.); (A.H.); (A.M.H.)
- Microbiology and Immunology Department, Faculty of Biology, University of Bucharest, 1-3 Portocalelor Lane, 77206 Bucharest, Romania
| | - Bianca Gălățeanu
- Department of Biochemistry and Molecular Biology, University of Bucharest, 91-95 Splaiul Independentei Street, 050095 Bucharest, Romania;
| | - Bogdan Ștefan Vasile
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 060042 Bucharest, Romania; (A.C.B.); (B.Ș.V.)
| | - Alexandru Mihai Grumezescu
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 90-92 Panduri, 050663 Bucharest, Romania; (A.-G.N.); (A.H.); (A.M.H.)
- Department of Science and Engineering of Oxide Materials and Nanomaterials, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 060042 Bucharest, Romania; (A.C.B.); (B.Ș.V.)
| | - Alexandra Bolocan
- Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Street, 050474 Bucharest, Romania; (S.C.); (D.R.); (A.B.); (R.R.)
| | - Radu Rădulescu
- Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Street, 050474 Bucharest, Romania; (S.C.); (D.R.); (A.B.); (R.R.)
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Geoghegan N, O'Loughlin M, Delaney C, Rochfort KD, Kennedy M, Kolagatla S, Podhorska L, Rodriguez BJ, Florea L, Kelleher SM. Controlled degradation of polycaprolactone-based micropillar arrays. Biomater Sci 2023; 11:3077-3091. [PMID: 36876330 PMCID: PMC10152922 DOI: 10.1039/d3bm00165b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
Herein we demonstrate the fabrication of arrays of micropillars, achieved through the combination of direct laser writing and nanoimprint lithography. By combining two diacrylate monomers, polycaprolactone dimethacrylate (PCLDMA) and 1,6-hexanediol diacrylate (HDDA), two copolymer formulations that, owing to the varying ratios of the hydrolysable ester functionalities present in the polycaprolactone moiety, can be degraded in the presence of base in a controllable manner. As such, the degradation of the micropillars can be tuned over several days as a function of PCLDMA concentration within the copolymer formulations, and the topography greatly varied over a short space of time, as visualised using scanning electron microscopy and atomic force microscopy. Crosslinked neat HDDA was used as a control material, demonstrating that the presence of the PCL was responsible for the ability of the microstructures to degrade in the controlled manner. In addition, the mass loss of the crosslinked materials was minimal, demonstrating the degradation of microstructured surfaces without loss of bulk properties was possible. Moreover, the compatibility of these crosslinked materials with mammalian cells was explored. The influence of both indirect and direct contact of the materials with A549 cells was assessed by profiling indices reflective of cytotoxicity such as morphology, adhesion, metabolic activity, oxidative balance, and release of injury markers. No significant changes in the aforementioned profile were observed in the cells cultured under these conditions for up to 72 h, with the cell-material interaction suggesting these materials may have potential in microfabrication contexts towards biomedical application purposes.
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Affiliation(s)
- Niamh Geoghegan
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland. .,CURAM, Science Foundation Ireland Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland
| | - Mark O'Loughlin
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Colm Delaney
- School of Chemistry and AMBER, the SFI Research Centre for Advanced Materials and BioEngineering Research, Trinity College Dublin, the University of Dublin, College Green, Dublin 2, Ireland
| | - Keith D Rochfort
- School of Nursing, Psychotherapy, and Community Health, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Meabh Kennedy
- School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Srikanth Kolagatla
- School of Chemistry and AMBER, the SFI Research Centre for Advanced Materials and BioEngineering Research, Trinity College Dublin, the University of Dublin, College Green, Dublin 2, Ireland.,Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
| | - Lucia Podhorska
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Brian J Rodriguez
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, Dublin 4, Ireland
| | - Larisa Florea
- School of Chemistry and AMBER, the SFI Research Centre for Advanced Materials and BioEngineering Research, Trinity College Dublin, the University of Dublin, College Green, Dublin 2, Ireland
| | - Susan M Kelleher
- School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland. .,CURAM, Science Foundation Ireland Centre for Research in Medical Devices, National University of Ireland Galway, Galway, Ireland.,School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
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Tomasina C, Montalbano G, Fiorilli S, Quadros P, Azevedo A, Coelho C, Vitale-Brovarone C, Camarero-Espinosa S, Moroni L. Incorporation of strontium-containing bioactive particles into PEOT/PBT electrospun scaffolds for bone tissue regeneration. BIOMATERIALS ADVANCES 2023; 149:213406. [PMID: 37054582 DOI: 10.1016/j.bioadv.2023.213406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/11/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023]
Abstract
The combination of biomaterials and bioactive particles has shown to be a successful strategy to fabricate electrospun scaffolds for bone tissue engineering. Among the range of bioactive particles, hydroxyapatite and mesoporous bioactive glasses (MBGs) have been widely used for their osteoconductive and osteoinductive properties. Yet, the comparison between the chemical and mechanical characteristics as well as the biological performances of these particle-containing scaffolds have been characterized to a limited extent. In this work, we fabricated PEOT/PBT-based composite scaffolds incorporating either nanohydroxyapatite (nHA), strontium-containing nanohydroxyapatite (nHA_Sr) or MBGs doped with strontium ions up to 15 wt./vol% and 12,5 wt./vol% for nHA and MBG, respectively. The composite scaffolds presented a homogeneous particle distribution. Morphological, chemical and mechanical analysis revealed that the introduction of particles into the electrospun meshes caused a decrease in the fiber diameter and mechanical properties, yet maintaining the hydrophilic nature of the scaffolds. The Sr2+ release profile differed according to the considered system, observing a 35-day slowly decreasing release from strontium-containing nHA scaffolds, whereas MBG-based scaffolds showed a strong burst release in the first week. In vitro, culture of human bone marrow-derived mesenchymal stromal cells (hMSCs) on composite scaffolds demonstrated excellent cell adhesion and proliferation. In maintenance and osteogenic media, all composite scaffolds showed high mineralization as well as expression of Col I and OCN compared to PEOT/PBT scaffolds, suggesting their ability to boost bone formation even without osteogenic factors. The presence of strontium led to an increase in collagen secretion and matrix mineralization in osteogenic medium, while gene expression analysis showed that hMSCs cultured on nHA-based scaffolds had a higher expression of OCN, ALP and RUNX2 compared to cells cultured on nHA_Sr scaffolds in osteogenic medium. Yet, cells cultured on MBGs-based scaffolds showed a higher gene expression of COL1, ALP, RUNX2 and BMP2 in osteogenic medium compared to nHA-based scaffolds, which is hypothesized to lead to high osteoinductivity in long term cultures.
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Xu C, Guan S, Hou W, Dong X, Qi M. Magnesium-organic framework modified biodegradable electrospun scaffolds for promoting osteogenic differentiation and bone regeneration. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kumari S, Katiyar S, Darshna, Anand A, Singh D, Singh BN, Mallick SP, Mishra A, Srivastava P. Design strategies for composite matrix and multifunctional polymeric scaffolds with enhanced bioactivity for bone tissue engineering. Front Chem 2022; 10:1051678. [PMID: 36518978 PMCID: PMC9742444 DOI: 10.3389/fchem.2022.1051678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 11/14/2022] [Indexed: 09/19/2023] Open
Abstract
Over the past few decades, various bioactive material-based scaffolds were investigated and researchers across the globe are actively involved in establishing a potential state-of-the-art for bone tissue engineering applications, wherein several disciplines like clinical medicine, materials science, and biotechnology are involved. The present review article's main aim is to focus on repairing and restoring bone tissue defects by enhancing the bioactivity of fabricated bone tissue scaffolds and providing a suitable microenvironment for the bone cells to fasten the healing process. It deals with the various surface modification strategies and smart composite materials development that are involved in the treatment of bone tissue defects. Orthopaedic researchers and clinicians constantly focus on developing strategies that can naturally imitate not only the bone tissue architecture but also its functional properties to modulate cellular behaviour to facilitate bridging, callus formation and osteogenesis at critical bone defects. This review summarizes the currently available polymeric composite matrices and the methods to improve their bioactivity for bone tissue regeneration effectively.
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Affiliation(s)
- Shikha Kumari
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Soumya Katiyar
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Darshna
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Aditya Anand
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Divakar Singh
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Bhisham Narayan Singh
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Sarada Prasanna Mallick
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andhra Pradesh, India
| | - Abha Mishra
- School of Biochemical Engineering, IIT BHU, Varanasi, India
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Busuioc C, Alecu AE, Costea CC, Beregoi M, Bacalum M, Raileanu M, Jinga SI, Deleanu IM. Composite Fibers Based on Polycaprolactone and Calcium Magnesium Silicate Powders for Tissue Engineering Applications. Polymers (Basel) 2022; 14:4611. [PMID: 36365605 PMCID: PMC9656997 DOI: 10.3390/polym14214611] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 10/25/2022] [Accepted: 10/27/2022] [Indexed: 07/30/2023] Open
Abstract
The present work reports the synthesis and characterization of polycaprolactone fibers loaded with particulate calcium magnesium silicates, to form composite materials with bioresorbable and bioactive properties. The inorganic powders were achieved through a sol-gel method, starting from the compositions of diopside, akermanite, and merwinite, three mineral phases with suitable features for the field of hard tissue engineering. The fibrous composites were fabricated by electrospinning polymeric solutions with a content of 16% polycaprolactone and 5 or 10% inorganic powder. The physico-chemical evaluation from compositional and morphological points of view was followed by the biological assessment of powder bioactivity and scaffold biocompatibility. SEM investigation highlighted a significant reduction in fiber diameter, from around 3 μm to less than 100 nm after the loading stage, while EDX and FTIR spectra confirmed the existence of embedded mineral entities. The silicate phases were found be highly bioactive after 4 weeks of immersion in SBF, enriching the potential of the polymeric host that provides only biocompatibility and bioresorbability. Moreover, the cellular tests indicated a slight decrease in cell viability over the short-term, a compromise that can be accepted if the overall benefits of such multifunctional composites are considered.
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Affiliation(s)
- Cristina Busuioc
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, RO-060042 Bucharest, Romania
| | - Andrada-Elena Alecu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, RO-060042 Bucharest, Romania
| | - Claudiu-Constantin Costea
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, RO-060042 Bucharest, Romania
| | - Mihaela Beregoi
- National Institute of Materials Physics, RO-077125 Magurele, Romania
| | - Mihaela Bacalum
- National Institute of Physics and Nuclear Engineering, RO-077125 Magurele, Romania
| | - Mina Raileanu
- National Institute of Physics and Nuclear Engineering, RO-077125 Magurele, Romania
| | - Sorin-Ion Jinga
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, RO-060042 Bucharest, Romania
| | - Iuliana-Mihaela Deleanu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, RO-060042 Bucharest, Romania
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Guo Y, Li P, Wang Z, Zhang P, Wu X. Sustained Delivery of Methylsulfonylmethane from Biodegradable Scaffolds Enhances Efficient Bone Regeneration. Int J Nanomedicine 2022; 17:4829-4842. [PMID: 36246935 PMCID: PMC9558569 DOI: 10.2147/ijn.s377036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 10/02/2022] [Indexed: 11/07/2022] Open
Abstract
Introduction As a popular dietary supplement containing sulfur compound, methylsulfonylmethane (MSM) has been widely used as an alternative oral medicine to relieve joint pain, reduce inflammation and promote collagen protein synthesis. However, it is rarely used in developing bioactive scaffolds in bone tissue engineering. Methods Three-dimensional (3D) hydroxyapatite/poly (lactide-co-glycolide) (HA/PLGA) porous scaffolds with different doping levels of MSM were prepared using the phase separation method. MSM loading efficiency, in vitro drug release as well as the biological activity of MSM-loaded scaffolds were investigated by incubating mouse pre-osteoblasts (MC3T3-E1) in the uniform and interconnected porous scaffolds. Results Sustained release of MSM from the scaffolds was observed, and the total MSM release from 1% and 10% MSM/HA/PLGA scaffolds within 16 days was up to 64.9% and 68.2%, respectively. Cell viability, proliferation, and alkaline phosphatase (ALP) activity were significantly promoted by incorporating 0.1% of MSM in the scaffolds. In vivo bone formation ability was significantly enhanced for 1% MSM/HA/PLGA scaffolds indicated by the repair of rabbit radius defects which might be affected by a stimulated release of MSM by enzyme systems in vivo. Discussion Finding from this study revealed that the incorporation of MSM would be effective in improving the osteogenesis activity of the HA/PLGA porous scaffolds.
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Affiliation(s)
- Yueming Guo
- Department of Orthopaedics, Foshan Hospital of Traditional Chinese Medicine, Foshan, 528000, People’s Republic of China
| | - Pengpeng Li
- Xuzhou Central Hospital, Xuzhou, 221009, People’s Republic of China,Graduate School of Bengbu Medical College, Bengbu, 233030, People’s Republic of China
| | - Zongliang Wang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Peibiao Zhang
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, People’s Republic of China
| | - Xiaodong Wu
- Xuzhou Central Hospital, Xuzhou, 221009, People’s Republic of China,Correspondence: Xiaodong Wu; Peibiao Zhang, Email ;
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Influence of the Components and Orientation of Hydroxyapatite Fibrous Substrates on Osteoblast Behavior. J Funct Biomater 2022; 13:jfb13040168. [PMID: 36278637 PMCID: PMC9590022 DOI: 10.3390/jfb13040168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/19/2022] [Accepted: 09/26/2022] [Indexed: 11/17/2022] Open
Abstract
Synthetic hydroxyapatite has good biocompatibility, bioactivity and osteoconductive ability because its chemical properties and biological properties are similar to those of bioapatite in bone tissue. Strontium-substituted hydroxyapatite has better degradability than hydroxyapatite and can both promote osteogenesis and inhibit adipogenesis in mesenchymal stem cells. Hence, hydroxyapatite and strontium-substituted hydroxyapatite are widely used as bone graft materials, cell carriers and drug/gene delivery carriers. In addition, osteoblasts cultured on aligned nanofibrous substrates had higher expression of osteogenesis-related genes than did those cultured on random nanofibrous substrates. However, to date, no study has explored the effects of the components and orientation of hydroxyapatite nanofibrous substrates on osteoblastic behavior. In this study, a random hydroxyapatite nanofibrous substrate (R-HANF), a random strontium-substituted hydroxyapatite nanofibrous substrate (R-SrHANF), an aligned hydroxyapatite nanofibrous substrate (A-HANF) and an aligned strontium-substituted hydroxyapatite nanofibrous substrate (A-SrHANF) were successfully fabricated by using the electrospinning technique. The effect of fiber composition on osteoblast-like MG63 cells was assessed by evaluating cell morphology, cell proliferation and osteogenesis-related gene expression. The results showed that MG63 cells cultured on A-SrHANF had higher osteogenesis-related gene expression than those cultured on A-HANF. Additionally, MG63 cells were cultured on R-SrHANF and A-SrHANF to evaluate the effects of fiber orientation on cell behavior. On A-SrHANF, the cells aligned along the direction of the nanofibers, with typical bipolar morphologies, and exhibited higher osteogenesis-related gene expression than cells on R-SrHANF. Hence, the components and orientation of hydroxyapatite nanofibrous substrates are critical parameters affecting the osteogenesis process.
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The Effect of Solvent and Pressure on Polycaprolactone Solutions for Particle and Fibre Formation. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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11
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Burdușel AC, Gherasim O, Andronescu E, Grumezescu AM, Ficai A. Inorganic Nanoparticles in Bone Healing Applications. Pharmaceutics 2022; 14:pharmaceutics14040770. [PMID: 35456604 PMCID: PMC9027776 DOI: 10.3390/pharmaceutics14040770] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/24/2022] [Accepted: 03/28/2022] [Indexed: 12/13/2022] Open
Abstract
Modern biomedicine aims to develop integrated solutions that use medical, biotechnological, materials science, and engineering concepts to create functional alternatives for the specific, selective, and accurate management of medical conditions. In the particular case of tissue engineering, designing a model that simulates all tissue qualities and fulfills all tissue requirements is a continuous challenge in the field of bone regeneration. The therapeutic protocols used for bone healing applications are limited by the hierarchical nature and extensive vascularization of osseous tissue, especially in large bone lesions. In this regard, nanotechnology paves the way for a new era in bone treatment, repair and regeneration, by enabling the fabrication of complex nanostructures that are similar to those found in the natural bone and which exhibit multifunctional bioactivity. This review aims to lay out the tremendous outcomes of using inorganic nanoparticles in bone healing applications, including bone repair and regeneration, and modern therapeutic strategies for bone-related pathologies.
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Affiliation(s)
- Alexandra-Cristina Burdușel
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
| | - Oana Gherasim
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomiștilor Street, 077125 Magurele, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Academy of Romanian Scientists, 3 Ilfov Street, 050044 Bucharest, Romania
- Correspondence:
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Academy of Romanian Scientists, 3 Ilfov Street, 050044 Bucharest, Romania
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 90–92 Panduri Road, 050657 Bucharest, Romania
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Academy of Romanian Scientists, 3 Ilfov Street, 050044 Bucharest, Romania
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12
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Hegedűs C, Czibulya Z, Tóth F, Dezső B, Hegedűs V, Boda R, Horváth D, Csík A, Fábián I, Tóth-Győri E, Sajtos Z, Lázár I. The Effect of Heat Treatment of β-Tricalcium Phosphate-Containing Silica-Based Bioactive Aerogels on the Cellular Metabolism and Proliferation of MG63 Cells. Biomedicines 2022; 10:biomedicines10030662. [PMID: 35327463 PMCID: PMC8945762 DOI: 10.3390/biomedicines10030662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 02/22/2022] [Accepted: 03/10/2022] [Indexed: 02/06/2023] Open
Abstract
β-Tricalcium phosphate was combined with silica aerogel in composites prepared using the sol–gel technique and supercritical drying. The materials were used in this study to check their biological activity and bone regeneration potential with MG63 cell experiments. The composites were sintered in 100 °C steps in the range of 500–1000 °C. Their mechanical properties, porosities, and solubility were determined as a function of sintering temperature. Dissolution studies revealed that the released Ca-/P molar ratios appeared to be in the optimal range to support bone tissue induction. Cell viability, ALP activity, and type I collagen gene expression results all suggested that the sintering of the compound at approximately 700–800 °C as a scaffold could be more powerful in vivo to facilitate bone formation within a bone defect, compared to that documented previously by our research team. We did not observe any detrimental effect on cell viability. Both the alkaline phosphatase enzyme activity and the type I collagen gene expression were significantly higher compared with the control and the other aerogels heat-treated at different temperatures. The mesoporous silica-based aerogel composites containing β-tricalcium phosphate particles treated at temperatures lower than 1000 °C produced a positive effect on the osteoblastic activity of MG63 cells. An in vivo 6 month-long follow-up study of the mechanically strongest 1000 °C sample in rat calvaria experiments provided proof of a complete remodeling of the bone.
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Affiliation(s)
- Csaba Hegedűs
- Department of Biomaterials and Prosthetic Dentistry, Faculty of Dentistry, University of Debrecen, 4032 Debrecen, Hungary; (Z.C.); (F.T.)
- Correspondence: (C.H.); (I.L.)
| | - Zsuzsanna Czibulya
- Department of Biomaterials and Prosthetic Dentistry, Faculty of Dentistry, University of Debrecen, 4032 Debrecen, Hungary; (Z.C.); (F.T.)
| | - Ferenc Tóth
- Department of Biomaterials and Prosthetic Dentistry, Faculty of Dentistry, University of Debrecen, 4032 Debrecen, Hungary; (Z.C.); (F.T.)
| | - Balázs Dezső
- Department of Oral Pathology and Microbiology, Faculty of Dentistry, University of Debrecen, 4032 Debrecen, Hungary;
| | - Viktória Hegedűs
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, University of Debrecen, 4032 Debrecen, Hungary;
| | - Róbert Boda
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Debrecen, 4032 Debrecen, Hungary; (R.B.); (D.H.)
| | - Dóra Horváth
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Debrecen, 4032 Debrecen, Hungary; (R.B.); (D.H.)
| | - Attila Csík
- Laboratory of Materials Science, Institute for Nuclear Research, Eötvös Loránd Research Network, 4026 Debrecen, Hungary;
| | - István Fábián
- Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, 4032 Debrecen, Hungary; (I.F.); (E.T.-G.); (Z.S.)
| | - Enikő Tóth-Győri
- Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, 4032 Debrecen, Hungary; (I.F.); (E.T.-G.); (Z.S.)
| | - Zsófi Sajtos
- Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, 4032 Debrecen, Hungary; (I.F.); (E.T.-G.); (Z.S.)
| | - István Lázár
- Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, 4032 Debrecen, Hungary; (I.F.); (E.T.-G.); (Z.S.)
- Correspondence: (C.H.); (I.L.)
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13
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Lu YC, Chang TK, Yeh ST, Lin TC, Lin HS, Chen CH, Huang CH, Huang CH. Evaluation of graphene-derived bone scaffold exposure to the calvarial bone_ in-vitro and in-vivo studies. Nanotoxicology 2022; 16:1-15. [PMID: 35085045 DOI: 10.1080/17435390.2022.2027036] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Graphene is a novel material which has recently been gaining great interest in the biomedical fields. Our previous study observed that graphene-derived particles help induce bone formation in a murine calvarial model. Here, we further developed a blended graphene-contained polycaprolactone (PCL/G) filament for application in a 3D-printed bone scaffold. Since implants are expected to be for long-term usage, in vitro cell culture and in vivo scaffold implants were evaluated in a critical-size bone defect calvarial model for over 60 weeks. Graphene greatly improved the mechanical strength by 30.2% compared to pure PCL. The fabricated PCL/G scaffolds also showed fine cell viability. In animal model, an abnormal electroencephalogram power spectrum and early signs of aging, such as hair graying and hair loss, were found in the group with a PCL/G scaffold compared to pure PCL scaffold. Neither of the abnormal symptoms caused death of all animals in both groups. The long-term use of graphene-derived biomaterials for in-vivo implants seems to be safe. But the comprehensive biosafety still needs further evaluation.
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Affiliation(s)
- Yung-Chang Lu
- Department of Medicine, MacKay Medical College, Taipei, Taiwan.,Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Ting-Kuo Chang
- Department of Medicine, MacKay Medical College, Taipei, Taiwan.,Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Shu-Ting Yeh
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Tzu-Chiao Lin
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Hung-Shih Lin
- Department of Neurosurgery, MacKay Memorial Hospital, Taipei, Taiwan
| | - Chun-Hung Chen
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,School of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chun-Hsiung Huang
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Orthopaedic Surgery, Changhau Christian Hospital, Changhau, Taiwan
| | - Chang-Hung Huang
- Department of Orthopaedic Surgery, MacKay Memorial Hospital, Taipei, Taiwan.,Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan.,School of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan
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14
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Feroz S, Dias G. Hydroxypropylmethyl cellulose (HPMC) crosslinked keratin/hydroxyapatite (HA) scaffold fabrication, characterization and in vitro biocompatibility assessment as a bone graft for alveolar bone regeneration. Heliyon 2021; 7:e08294. [PMID: 34765797 PMCID: PMC8571510 DOI: 10.1016/j.heliyon.2021.e08294] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 09/08/2021] [Accepted: 10/27/2021] [Indexed: 12/16/2022] Open
Abstract
Wool derived keratin has garnered significant advancements in the field of biomaterials for hard tissue regeneration. The main limitation of keratin-based biomaterials for bone tissue engineering is their fragile nature. This paper proposes the development of a novel hydroxypropyl methylcellulose (HPMC) crosslinked keratin scaffold, containing hydroxyapatite as a major inorganic component by freeze drying technique for alveolar bone regeneration. The prepared keratin/hydroxyapatite/HPMC (K/HA/HPMC) scaffold was characterized to study its chemical, physical, and mechanical properties by Scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), Energy dispersive X-ray spectroscopy (EDX), X-Ray diffractometric (XRD) analysis. The SEM images of the scaffolds showed highly porous interconnected architecture with average pore size of 108.36 ± 22.56 while microcomputed tomographic analysis measured total porosity as 79.65 %±. Energy dispersive X-ray spectroscopic (EDX) analysis confirmed that inorganic component of scaffold was mainly composed of calcium and phosphorous ions having Ca/P molar ration of 1.6. The maximum compressive strength was found to be in the range of 0.841 ± 0.37 MPa. Furthermore, the K/HA/HPMC scaffold was structurally stable and weight loss of about 26% was observed when soaked in phosphate buffered solution (PBS) for 28 days. In vitro biocompatibility testing showed that K/HA/HPMC scaffold was cytocompatible and supported the attachment, proliferation of osteoblast (Saos-2) cells. Thus, the development of a non-toxic chemical cross-linking system with HPMC was investigated to fabricate K/HA/HPMC scaffold and our results showed great potential of these scaffolds to regenerate alveolar bone due to their structural similarity and excellent in vitro biocompatibility.
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Affiliation(s)
- Sandleen Feroz
- Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, 9054, New Zealand
| | - George Dias
- Department of Anatomy, School of Biomedical Sciences, University of Otago, Dunedin, 9054, New Zealand
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15
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Guo Y, Wang X, Shen Y, Dong K, Shen L, Alzalab AAA. Research progress, models and simulation of electrospinning technology: a review. JOURNAL OF MATERIALS SCIENCE 2021; 57:58-104. [PMID: 34658418 PMCID: PMC8513391 DOI: 10.1007/s10853-021-06575-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 09/29/2021] [Indexed: 05/09/2023]
Abstract
In recent years, nanomaterials have aroused extensive research interest in the world's material science community. Electrospinning has the advantages of wide range of available raw materials, simple process, small fiber diameter and high porosity. Electrospinning as a nanomaterial preparation technology with obvious advantages has been studied, such as its influencing parameters, physical models and computer simulation. In this review, the influencing parameters, simulation and models of electrospinning technology are summarized. In addition, the progresses in applications of the technology in biomedicine, energy and catalysis are reported. This technology has many applications in many fields, such as electrospun polymers in various aspects of biomedical engineering. The latest achievements in recent years are summarized, and the existing problems and development trends are analyzed and discussed.
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Affiliation(s)
- Yajin Guo
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
| | - Xinyu Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory, Xianhu Hydrogen Valley, Foshan, 528200 People’s Republic of China
| | - Ying Shen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- International School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
| | - Kuo Dong
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
| | - Linyi Shen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
| | - Asmaa Ahmed Abdullah Alzalab
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, 430070 People’s Republic of China
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16
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Liu X, Chen M, Luo J, Zhao H, Zhou X, Gu Q, Yang H, Zhu X, Cui W, Shi Q. Immunopolarization-regulated 3D printed-electrospun fibrous scaffolds for bone regeneration. Biomaterials 2021; 276:121037. [PMID: 34325336 DOI: 10.1016/j.biomaterials.2021.121037] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 07/19/2021] [Accepted: 07/21/2021] [Indexed: 12/12/2022]
Abstract
Three-dimension (3D)-printed bioscaffolds are precise and personalized for bone regeneration. However, customized 3D scaffolds may activate the immune response in vivo and consequently impede bone formation. In this study, with layer-by-layer deposition and electrospinning technology to control the physical structure, 3D-printed PCL scaffolds with PLLA electrospun microfibrous (3D-M-EF) and nanofibrous (3D-N-EF) composites were constructed, and their immunomodulatory effect and the subsequent osteogenic effects were explored. Compared to 3D-N-EF scaffolds, 3D-M-EF scaffolds polarized more RAW264.7 cells toward alternatively activated macrophages (M2), as demonstrated by increased M2 and deceased classically activated macrophage (M1) phenotypic marker expression in the cells. In addition, the 3D-M-EF scaffolds shifted RAW264.7 cells to the M2 phenotype through PI3K/AKT signaling and enhanced VEGF and BMP-2 expression. Conditional medium from the RAW264.7 cells seeded in 3D-M-EF scaffolds promoted osteogenesis of MC3T3-E1 cells. Furthermore, in vivo study of repairing rat calvarial defects, the 3D-M-EF scaffolds increased the polarization of M2 macrophages, enhanced angiogenesis, and accelerated new bone formation. Collectively, our data suggested that well-designed 3D-M-EF scaffolds are favorable for osteogenesis through regulation of M2 polarization. Therefore, it is potential to utilize the physical structure of 3D-printed scaffolds to manipulate the osteoimmune environment to promote bone regeneration.
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Affiliation(s)
- Xingzhi Liu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Orthopedic Institute of Soochow University, 708 Renmin Road, Suzhou, Jiangsu, 215007, PR China; School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, 388 Ruoshui Road, Suzhou, Jiangsu, 215123, PR China; University of Science and Technology of China, 96 Jinzai Road, Hefei, Anhui, 230026, PR China
| | - Mimi Chen
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Orthopedic Institute of Soochow University, 708 Renmin Road, Suzhou, Jiangsu, 215007, PR China
| | - Junchao Luo
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Orthopedic Institute of Soochow University, 708 Renmin Road, Suzhou, Jiangsu, 215007, PR China
| | - Huan Zhao
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Orthopedic Institute of Soochow University, 708 Renmin Road, Suzhou, Jiangsu, 215007, PR China
| | - Xichao Zhou
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Orthopedic Institute of Soochow University, 708 Renmin Road, Suzhou, Jiangsu, 215007, PR China
| | - Qiaoli Gu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Orthopedic Institute of Soochow University, 708 Renmin Road, Suzhou, Jiangsu, 215007, PR China
| | - Huilin Yang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Orthopedic Institute of Soochow University, 708 Renmin Road, Suzhou, Jiangsu, 215007, PR China
| | - Xuesong Zhu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Orthopedic Institute of Soochow University, 708 Renmin Road, Suzhou, Jiangsu, 215007, PR China.
| | - Wenguo Cui
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, PR China.
| | - Qin Shi
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, Medical College of Soochow University, Orthopedic Institute of Soochow University, 708 Renmin Road, Suzhou, Jiangsu, 215007, PR China.
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17
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Pharmaceutical electrospinning and 3D printing scaffold design for bone regeneration. Adv Drug Deliv Rev 2021; 174:504-534. [PMID: 33991588 DOI: 10.1016/j.addr.2021.05.007] [Citation(s) in RCA: 124] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 04/26/2021] [Accepted: 05/11/2021] [Indexed: 12/13/2022]
Abstract
Bone regenerative engineering provides a great platform for bone tissue regeneration covering cells, growth factors and other dynamic forces for fabricating scaffolds. Diversified biomaterials and their fabrication methods have emerged for fabricating patient specific bioactive scaffolds with controlled microstructures for bridging complex bone defects. The goal of this review is to summarize the points of scaffold design as well as applications for bone regeneration based on both electrospinning and 3D bioprinting. It first briefly introduces biological characteristics of bone regeneration and summarizes the applications of different types of material and the considerations for bone regeneration including polymers, ceramics, metals and composites. We then discuss electrospinning nanofibrous scaffold applied for the bone regenerative engineering with various properties, components and structures. Meanwhile, diverse design in the 3D bioprinting scaffolds for osteogenesis especially in the role of drug and bioactive factors delivery are assembled. Finally, we discuss challenges and future prospects in the development of electrospinning and 3D bioprinting for osteogenesis and prominent strategies and directions in future.
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18
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Ahmed MK, Mansour SF, Al-Wafi R. Nanofibrous scaffolds of ϵ-polycaprolactone containing Sr/Se-hydroxyapatite/graphene oxide for tissue engineering applications. Biomed Mater 2021; 16. [DOI: 10.1088/1748-605x/ab7ff5] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 03/13/2020] [Indexed: 12/30/2022]
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19
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Fu Z, Cui J, Zhao B, Shen SG, Lin K. An overview of polyester/hydroxyapatite composites for bone tissue repairing. J Orthop Translat 2021; 28:118-130. [PMID: 33898248 PMCID: PMC8050106 DOI: 10.1016/j.jot.2021.02.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 02/19/2021] [Accepted: 02/24/2021] [Indexed: 12/23/2022] Open
Abstract
Objectives The polyester/hydroxyapatite (polyester/HA) composites play an important role in bone tissue repairing, mostly because they mimic the composition and structure of naturally mineralized bone tissue. This review aimed to discuss commonly used geometries of polyester/HA composites, including microspheres, membranes, scaffolds and bulks, and their applications in bone tissue repairing and to discuss existed restrictions and developing trends of polyester/HA. Methods The current review was conducted by searching Web of Science, and Google Scholar for relevant studies published related with polyester/HA composites. Selected studies were analyzed with a focus on the fabrication techniques, properties (mechanical properties, biodegradable properties and biological properties) and applications of polyester/HA composites in bone repairing. Results A total of 111 articles were introduced to discuss the review. Different geometries of polyester/HA composites were discussed. In addition, properties and applications of polyester/HA composites were evaluated. The addition of HA into polyester can adjust the mechanical and biodegradability of composites. Besides, the addition of HA into polyester can improve its osteogenic abilities. The results showed that polyester/HA composites can ideal candidate for bone tissue repairing. Conclusion Polyester/HA composites have many remarkable properties, such as appropriate mechanical strength, biodegradability, favorable biological properties. Diverse geometries of polyester/HA composites have been used in bone repairing, drug delivery and implant fixation. Further work needs to be done to investigate existed restrictions, including the controlled degradation rate, controlled drug release performance, well-matched mechanical properties, and novel fabrication techniques. The translational potential of this article The present review reveals the current state of the polyester/HA composites used in bone tissue repairing, contributing to future trends of polyester/HA composites in the forthcoming future.
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Affiliation(s)
- Zeyu Fu
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China.,School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Jinjie Cui
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
| | - Bin Zhao
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Steve Gf Shen
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China.,Shanghai University of Medicine & Health Sciences, Shanghai, 201318, China
| | - Kaili Lin
- Department of Oral & Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, 200011, China
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20
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Goulart da Silva T, Baptista Pereira D, Ferreira de Carvalho Patricio B, Alvares Sarcinelli M, Antunes Rocha HV, Letichevsky S, Evelise Ribeiro da Silva C, Mendonça RH. Polycaprolactone/alendronate systems intended for production of biomaterials. J Appl Polym Sci 2021. [DOI: 10.1002/app.50678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Talita Goulart da Silva
- Departamento de Engenharia Química/Instituto de Tecnologia Universidade Federal Rural do Rio de Janeiro Seropédica Brazil
| | - Debora Baptista Pereira
- Departamento de Engenharia Química/Instituto de Tecnologia Universidade Federal Rural do Rio de Janeiro Seropédica Brazil
| | | | | | | | - Sonia Letichevsky
- Departamento de Engenharia Química e de Materiais Pontifícia Universidade Católica do Rio de Janeiro Rio de Janeiro Brazil
| | | | - Roberta Helena Mendonça
- Departamento de Engenharia Química/Instituto de Tecnologia Universidade Federal Rural do Rio de Janeiro Seropédica Brazil
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21
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Doyle SE, Henry L, McGennisken E, Onofrillo C, Bella CD, Duchi S, O’Connell CD, Pirogova E. Characterization of Polycaprolactone Nanohydroxyapatite Composites with Tunable Degradability Suitable for Indirect Printing. Polymers (Basel) 2021; 13:295. [PMID: 33477660 PMCID: PMC7831941 DOI: 10.3390/polym13020295] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/13/2021] [Accepted: 01/15/2021] [Indexed: 12/17/2022] Open
Abstract
Degradable bone implants are designed to foster the complete regeneration of natural tissue after large-scale loss trauma. Polycaprolactone (PCL) and hydroxyapatite (HA) composites are promising scaffold materials with superior mechanical and osteoinductive properties compared to the single materials. However, producing three-dimensional (3D) structures with high HA content as well as tuneable degradability remains a challenge. To address this issue and create homogeneously distributed PCL-nanoHA (nHA) scaffolds with tuneable degradation rates through both PCL molecular weight and nHA concentration, we conducted a detailed characterisation and comparison of a range of PCL-nHA composites across three molecular weight PCLs (14, 45, and 80 kDa) and with nHA content up to 30% w/w. In general, the addition of nHA results in an increase of viscosity for the PCL-nHA composites but has little effect on their compressive modulus. Importantly, we observe that the addition of nHA increases the rate of degradation compared to PCL alone. We show that the 45 and 80 kDa PCL-nHA groups can be fabricated via indirect 3D printing and have homogenously distributed nHA even after fabrication. Finally, the cytocompatibility of the composite materials is evaluated for the 45 and 80 kDa groups, with the results showing no significant change in cell number compared to the control. In conclusion, our analyses unveil several features that are crucial for processing the composite material into a tissue engineered implant.
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Affiliation(s)
- Stephanie E. Doyle
- Electrical and Biomedical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; (S.E.D.); (L.H.); (E.M.)
- BioFab3D@ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (C.O.); (C.D.B.); (S.D.)
| | - Lauren Henry
- Electrical and Biomedical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; (S.E.D.); (L.H.); (E.M.)
| | - Ellen McGennisken
- Electrical and Biomedical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; (S.E.D.); (L.H.); (E.M.)
| | - Carmine Onofrillo
- BioFab3D@ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (C.O.); (C.D.B.); (S.D.)
- Department of Surgery, The University of Melbourne, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Claudia Di Bella
- BioFab3D@ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (C.O.); (C.D.B.); (S.D.)
- Department of Surgery, The University of Melbourne, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
- Department of Orthopaedics, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
| | - Serena Duchi
- BioFab3D@ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (C.O.); (C.D.B.); (S.D.)
- Department of Surgery, The University of Melbourne, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Cathal D. O’Connell
- Electrical and Biomedical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; (S.E.D.); (L.H.); (E.M.)
- BioFab3D@ACMD, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (C.O.); (C.D.B.); (S.D.)
| | - Elena Pirogova
- Electrical and Biomedical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia; (S.E.D.); (L.H.); (E.M.)
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22
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Liu L, Zhang T, Li C, Jiang G, Wang F, Wang L. Regulating surface roughness of electrospun poly(ε-caprolactone)/β-tricalcium phosphate fibers for enhancing bone tissue regeneration. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2020.110201] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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23
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Tarafder C, Daizy M, Alam MM, Ali MR, Islam MJ, Islam R, Ahommed MS, Aly Saad Aly M, Khan MZH. Formulation of a Hybrid Nanofertilizer for Slow and Sustainable Release of Micronutrients. ACS OMEGA 2020; 5:23960-23966. [PMID: 32984716 PMCID: PMC7513328 DOI: 10.1021/acsomega.0c03233] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 08/26/2020] [Indexed: 05/24/2023]
Abstract
In this work, we have proposed a new formulation of a hybrid nanofertilizer (HNF) for slow and sustainable release of nutrients into soil and water. Urea-modified hydroxyapatite was synthesized, which is a rich source of nitrogen, calcium, and phosphate. Nanoparticles such as copper, iron, and zinc were incorporated into urea-modified hydroxyapatite to increase the efficiency of the proposed fertilizer. Different techniques including powder X-ray powder diffraction, Fourier-transform infrared spectroscopy, and scanning electron microscopy were used to get insight into the properties, morphology, and structure of the as-prepared fertilizer. The developed HNF was used in a field experiment on the ladies' finger (Abelmoschus esculentus) plant. The slow release of HNF was observed during leaching studies and confirmed the availability of Ca2+, PO4 3-, NO2-, NO3-, Cu2+, Fe2+, and Zn2+. Furthermore, the presence of Cu2+, Fe2+, and Zn2+ nutrients in ladies' finger was confirmed by the inductively coupled plasma-optical emission spectrometry (ICP-OES) experiment. A considerable increase in the physicochemical properties such as swelling ratio and water absorption and retention capacities of the proposed fertilizer was observed, which makes the fertilizer more attractive and beneficial compared with the commercial fertilizer. The composition of the proposed HNF was functionally valuable for slow and sustainable release of plant nutrients. The dose of prepared HNF applied was 50 mg/week, whereas the commercial fertilizer was applied at a dose of 5 g/week to A. esculentus. The obtained results showed a significant increase of Cu2+, Fe2+, and Zn2+ nutrient uptake in A. esculentus as a result of slow release from HNF.
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Affiliation(s)
- Chaitaly Tarafder
- Department of Chemical
Engineering, Jashore University of Science
and Technology, Jashore 7408, Bangladesh
- Laboratory
of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Mahbuba Daizy
- Department of Chemical
Engineering, Jashore University of Science
and Technology, Jashore 7408, Bangladesh
- Laboratory
of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Md. Morshed Alam
- Department of Chemical
Engineering, Jashore University of Science
and Technology, Jashore 7408, Bangladesh
- Laboratory
of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Md. Ripon Ali
- Department of Chemical
Engineering, Jashore University of Science
and Technology, Jashore 7408, Bangladesh
- Laboratory
of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Md. Jahidul Islam
- Department of Chemical
Engineering, Jashore University of Science
and Technology, Jashore 7408, Bangladesh
- Laboratory
of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Rakibul Islam
- Department of Chemical
Engineering, Jashore University of Science
and Technology, Jashore 7408, Bangladesh
- Laboratory
of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Md. Sohel Ahommed
- Department of Chemistry, Graduate School
of Science, Tohoku University, Aoba-Ku, Sendai 980-8578, Japan
| | - Mohamed Aly Saad Aly
- Department of Electronics and Information Science, Miami College of Henan University, Kaifeng 475000, China
| | - Md. Zaved Hossain Khan
- Department of Chemical
Engineering, Jashore University of Science
and Technology, Jashore 7408, Bangladesh
- Laboratory
of Nano-Bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology, Jashore 7408, Bangladesh
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Development of nano-tricalcium phosphate/polycaprolactone/platelet-rich plasma biocomposite for bone defect regeneration. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.07.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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25
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Cakmak AM, Unal S, Sahin A, Oktar FN, Sengor M, Ekren N, Gunduz O, Kalaskar DM. 3D Printed Polycaprolactone/Gelatin/Bacterial Cellulose/Hydroxyapatite Composite Scaffold for Bone Tissue Engineering. Polymers (Basel) 2020; 12:E1962. [PMID: 32872547 PMCID: PMC7570222 DOI: 10.3390/polym12091962] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 08/26/2020] [Accepted: 08/26/2020] [Indexed: 11/16/2022] Open
Abstract
Three-dimensional (3D) printing application is a promising method for bone tissue engineering. For enhanced bone tissue regeneration, it is essential to have printable composite materials with appealing properties such as construct porous, mechanical strength, thermal properties, controlled degradation rates, and the presence of bioactive materials. In this study, polycaprolactone (PCL), gelatin (GEL), bacterial cellulose (BC), and different hydroxyapatite (HA) concentrations were used to fabricate a novel PCL/GEL/BC/HA composite scaffold using 3D printing method for bone tissue engineering applications. Pore structure, mechanical, thermal, and chemical analyses were evaluated. 3D scaffolds with an ideal pore size (~300 µm) for use in bone tissue engineering were generated. The addition of both bacterial cellulose (BC) and hydroxyapatite (HA) into PCL/GEL scaffold increased cell proliferation and attachment. PCL/GEL/BC/HA composite scaffolds provide a potential for bone tissue engineering applications.
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Affiliation(s)
- Abdullah M. Cakmak
- Department of Bioengineering, Faculty of Engineering, Marmara University, 34722 Istanbul, Turkey; (A.M.C.); (S.U.); (F.N.O.)
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, 34722 Istanbul, Turkey; (M.S.); (N.E.)
| | - Semra Unal
- Department of Bioengineering, Faculty of Engineering, Marmara University, 34722 Istanbul, Turkey; (A.M.C.); (S.U.); (F.N.O.)
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, 34722 Istanbul, Turkey; (M.S.); (N.E.)
- Institute of Neurological Sciences, Marmara University, 34722 Istanbul, Turkey
| | - Ali Sahin
- Department of Biochemistry, School of Medicine/Genetic and Metabolic Diseases Research and Investigation Center, Marmara University, 34722 Istanbul, Turkey;
| | - Faik N. Oktar
- Department of Bioengineering, Faculty of Engineering, Marmara University, 34722 Istanbul, Turkey; (A.M.C.); (S.U.); (F.N.O.)
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, 34722 Istanbul, Turkey; (M.S.); (N.E.)
| | - Mustafa Sengor
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, 34722 Istanbul, Turkey; (M.S.); (N.E.)
- Department of Metallurgy and Materials Engineering, Faculty of Technology, Marmara University, 34722 Istanbul, Turkey
| | - Nazmi Ekren
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, 34722 Istanbul, Turkey; (M.S.); (N.E.)
- Department of Electrical and Electronics Engineering, Faculty of Technology, Marmara University, 34722 Istanbul, Turkey
| | - Oguzhan Gunduz
- Center for Nanotechnology & Biomaterials Application and Research (NBUAM), Marmara University, 34722 Istanbul, Turkey; (M.S.); (N.E.)
- Department of Metallurgy and Materials Engineering, Faculty of Technology, Marmara University, 34722 Istanbul, Turkey
| | - Deepak M. Kalaskar
- UCL Division of Surgery and Interventional Sciences, Royal Free Hospital Campus Rowland Hill Street, London NW3 2PF, UK
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Ahmed M, Mansour S, Al-Wafi R, Afifi M, Uskoković V. Gold as a dopant in selenium-containing carbonated hydroxyapatite fillers of nanofibrous ε-polycaprolactone scaffolds for tissue engineering. Int J Pharm 2020; 577:118950. [DOI: 10.1016/j.ijpharm.2019.118950] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 11/30/2019] [Accepted: 12/07/2019] [Indexed: 12/11/2022]
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27
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The effect of strontium and silicon substituted hydroxyapatite electrochemical coatings on bone ingrowth and osseointegration of selective laser sintered porous metal implants. PLoS One 2020; 15:e0227232. [PMID: 31923253 PMCID: PMC6953817 DOI: 10.1371/journal.pone.0227232] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 12/13/2019] [Indexed: 11/20/2022] Open
Abstract
Additive manufactured, porous bone implants have the potential to improve osseointegration and reduce failure rates of orthopaedic devices. Substantially porous implants are increasingly used in a number of orthopaedic applications. HA plasma spraying-a line of sight process-cannot coat the inner surfaces of substantially porous structures, whereas electrochemical deposition of calcium phosphate can fully coat the inner surfaces of porous implants for improved bioactivity, but the osseous response of different types of hydroxyapatite (HA) coatings with ionic substitutions has not been evaluated for implants in the same in vivo model. In this study, laser sintered Ti6Al4V implants with pore sizes of Ø 700 μm and Ø 1500 μm were electrochemically coated with HA, silicon-substituted HA (SiHA), and strontium-substituted HA (SrHA), and implanted in ovine femoral condylar defects. Implants were retrieved after 6 weeks and histological and histomorphometric evaluation were compared to electrochemically coated implants with uncoated and HA plasma sprayed controls. The HA, SiHA and SrHA coatings had Ca:P, Ca:(P+Si) and (Ca+Sr):P ratios of 1.53, 1.14 and 1.32 respectively. Electrochemically coated implants significantly promoted bone attachment to the implant surfaces of the inner pores and displayed improved osseointegration compared to uncoated scaffolds for both pore sizes (p<0.001), whereas bone ingrowth was restricted to the surface for HA plasma coated or uncoated implants. Electrochemically coated HA implants achieved the highest osseointegration, followed by SrHA coated implants, and both coatings exhibited significantly more bone growth than plasma sprayed groups (p≤0.01 for all 4 cases). SiHA had significantly more osseointegration when compared against the uncoated control, but no significant difference compared with other coatings. There was no significant difference in ingrowth or osseointegration between pore sizes, and the bone-implant-contact was significantly higher in the electrochemical HA than in SiHA or SrHA. These results suggest that osseointegration is insensitive to pore size, whereas surface modification through the presence of an osteoconductive coating plays an important role in improving osseointegration, which may be critically important for extensively porous implants.
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Elaboration and Biocompatibility of an Eggshell-Derived Hydroxyapatite Material Modified with Si/PLGA for Bone Regeneration in Dentistry. Int J Dent 2019; 2019:5949232. [PMID: 31885588 PMCID: PMC6915137 DOI: 10.1155/2019/5949232] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 10/07/2019] [Accepted: 11/04/2019] [Indexed: 11/18/2022] Open
Abstract
Hydroxyapatite (HAp) is the most commonly used biomaterial in modern bone regeneration studies because of its chemical similarity to bone, biocompatibility with different polymers, osteoconductivity, low cost, and lack of immune response. However, to overcome the disadvantages of HAp, which include fragility and low mechanical strength, current studies typically focus on property modification through the addition of other materials. Objective. To develop and evaluate the biocompatibility of a HAp material extracted from eggshells and modified with silicon (Si) and poly(lactic-co-glycolic) acid (PLGA). Materials and Methods. An in vitro experimental study in which a HAp material prepared from eggshells was synthesized by wet chemical and conventional chemical precipitation. Subsequently, this material was reinforced with Si/PLGA using the freezing/lyophilization method, and then osteoblast cells were seeded on the experimental material (HAp/Si/PLGA). To analyse the biocompatibility of this composite material, scanning electron microscopy (SEM) and fluorescence confocal microscopy (FCM) techniques were used. PLGA, bovine bone/PLGA (BB/PLGA), and HAp/PLGA were used as controls. Results. A cellular viability of 96% was observed for the experimental HAp/Si/PLGA material as well as for the PLGA. The viability for the BB/PLGA material was 90%, and the viability for the HAp/PLGA was 86%. Cell adhesion was observed on the exterior surface of all materials. However, a continuous monolayer and the presence of filopodia were observed over both external and internal surface of the experimental materials. Conclusions. The HAp/Si/PLGA material is highly biocompatible with osteoblastic cells and can be considered promising for the construction of three-dimensional scaffolds for bone regeneration in dentistry.
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Melnik EV, Shkarina SN, Ivlev SI, Weinhardt V, Baumbach T, Chaikina MV, Surmeneva MA, Surmenev RA. In vitro degradation behaviour of hybrid electrospun scaffolds of polycaprolactone and strontium-containing hydroxyapatite microparticles. Polym Degrad Stab 2019. [DOI: 10.1016/j.polymdegradstab.2019.06.017] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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30
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Chan K, Tsoi JKH, Wu OK, Yon MJY, Wong RWK. Mechanical and biological evaluations of novel electrospun PLLA composite scaffolds doped with oxide ceramics. J Mech Behav Biomed Mater 2019; 97:229-237. [DOI: 10.1016/j.jmbbm.2019.05.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/14/2019] [Accepted: 05/15/2019] [Indexed: 01/21/2023]
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31
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Ye H, Zhu J, Deng D, Jin S, Li J, Man Y. Enhanced osteogenesis and angiogenesis by PCL/chitosan/Sr-doped calcium phosphate electrospun nanocomposite membrane for guided bone regeneration. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2019; 30:1505-1522. [PMID: 31322979 DOI: 10.1080/09205063.2019.1646628] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Membranes play pivotal role in guided bone regeneration (GBR) technique for reconstruction alveolar bone. GBR membrane that is able to stimulate both osteogenic and angiogenic differentiation of cells may be more effective in clinic practice. Herein, we fabricated the Sr-doped calcium phosphate/polycaprolactone/chitosan (Sr-CaP/PCL/CS) nanohybrid fibrous membrane by incorporating 20 wt% bioactive Sr-CaP nanoparticles into PCL/CS matrix via one-step electrospinning method, in order to endow the membrane with stimulation of osteogenesis and angiogenesis. The physicochemical properties, mechanical properties, Sr2+ release behavior, and the membrane stimulate bone mesenchymal stem cell (BMSCs) differentiation were evaluated in comparison with PCL/CS and CaP/PCL/CS membranes. The SEM images revealed that the nanocomposite membrane mimicked the extracellular matrix structure. The release curve presented a 28-day long continuous release of Sr2+ and concentration which was certified in an optimal range for positive biological effects at each timepoint. The in vitro cell culture experiments certified that the Sr-CaP/PCL/CS membrane enjoyed excellent biocompatibility and remarkably promoted rat bone mesenchymal stem cell (BMSCs) adhesion and proliferation. In terms of osteogenic differentiation, BMSCs seeded on the Sr-CaP/PCL/CS membrane showed a higher ALP activity level and a better matrix mineralization. What's more, the synergism of the Sr2+ and CaP from the Sr-CaP/PCL/CS membrane enhanced BMSCs angiogenic differentiation, herein resulting in the largest VEGF secretion amount. Consequently, the Sr-CaP/PCL/CS nanohybrid electrospun membrane has promising applications in GBR.
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Affiliation(s)
- Huilin Ye
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University , Chengdu , China
| | - Junjin Zhu
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University , Chengdu , China
| | - Dan Deng
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University , Chengdu , China
| | - Shue Jin
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University , Chengdu , China
| | - Jidong Li
- Research Center for Nano-Biomaterials, Analytical and Testing Center, Sichuan University , Chengdu , China
| | - Yi Man
- Department of Implantology, State Key Laboratory of Oral Diseases, West China College of Stomatology, Sichuan University , Chengdu , China
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