1
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Jang WY, Pyun JC, Chang JH. Comparative In Vitro Dissolution Assessment of Calcined and Uncalcined Hydroxyapatite Using Differences in Bioresorbability and Biomineralization. Int J Mol Sci 2024; 25:621. [PMID: 38203791 PMCID: PMC10779548 DOI: 10.3390/ijms25010621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/29/2023] [Accepted: 12/30/2023] [Indexed: 01/12/2024] Open
Abstract
This study reports the effect of the not-calcining process on the bioresorption and biomineralization of hydroxyapatite through in vitro dissolution assessment. The prepared calcined hydroxyapatite (c-HAp) and uncalcined hydroxyapatite (unc-HAp) have a particle size of 2 μm and 13 μm, surface areas of 4.47 m2/g and 108.08 m2/g, and a Ca/P ratio of 1.66 and 1.52, respectively. In vitro dissolution assessments of c-HAp and unc-HAp were performed for 20 days at 37 °C in a citric acid buffer according to ISO 10993-14. During the dissolution, the c-HAp and unc-HAp confirmed an increase in weight, and the calcium and phosphorous ions were rapidly released. The calcium ions released from c-HAp formed rod-shaped particles with a longer and thinner morphology, while in unc-HAp, they appeared thicker and shorter. In the ICP-OES results, the concentrations of calcium elements were initially increased and then decreased by this formation. The rod-shaped particles identified as calcium citrate (Ca-citrate) through the XRD pattern. The calcium content of Ca-citrate particles from unc-HAp was higher than that from c-HAp. The unc-HAp demonstrated non-toxic properties in a cytotoxicity evaluation. Therefore, due to its higher bioresorption and biomineralization, unc-HAp exhibits enhanced biocompatibility compared to c-HAp.
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Affiliation(s)
- Woo Young Jang
- Korea Institute of Ceramic Engineering and Technology, Jinju 28160, Republic of Korea
- Department of Materials Science & Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Jae Chul Pyun
- Department of Materials Science & Engineering, Yonsei University, Seoul 03722, Republic of Korea
| | - Jeong Ho Chang
- Korea Institute of Ceramic Engineering and Technology, Jinju 28160, Republic of Korea
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2
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Iswarya S, Theivasanthi T, Gopinath SCB. Sodium alginate/Hydroxyapatite/nanocellulose composites: Synthesis and Potentials for bone tissue engineering. J Mech Behav Biomed Mater 2023; 148:106189. [PMID: 37852086 DOI: 10.1016/j.jmbbm.2023.106189] [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: 09/23/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/20/2023]
Abstract
Sodium alginate/hydroxyapatite/Nano cellulose (SA/HA/NC) nanocomposite films that possess good biocompatibility for bone tissue engineering are prepared by a simple solution casting. HA is one of the most frequently used bioceramic materials to achieve a high biocompatibility. The bionanocomposite films are analysed by XRD, SEM, EDAX and FTIR studies. XRD confirms the existence of fillers in the polymer. FTIR spectrum shows the different functional modes in the bionanocomposite films. The morphology of fillers and bionanocomposite films are obtained through SEM. The inclusion of NC with different concentrations into the biopolymer film improves the tensile strength. As a result, the loading of 5 wt % of NC and 10 wt% of HA in the SA polymer shows high tensile strength when compared to the pure SA, SA filled with 10 wt% of HA and SA loaded with 10 wt% of HA and inclusion of NC (0.5 and 2.5 wt%). The tensile strength (TS) of bionanocomposite film with 10 wt % of HA is increased by 17%. TS of bionanocomposite film with 0.5 and 2.5 wt% of NC is increased by 177 and 277%, whereas TS of bionanocomposite film loaded 5 wt% of NC is increased by 331%. The swelling, biodegradation and biomineralization tests suggest that this bionanocomposite films are hopeful biomaterials for bone tissue engineering.
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Affiliation(s)
- S Iswarya
- International Research Centre, Kalasalingam Academy of Research and Education (Deemed University), Krishnankoil 626126, Tamil Nadu, India; Department of Physics, Kalasalingam Academy of Research and Education (Deemed University), Krishnankoil 626126, Tamil Nadu, India
| | - T Theivasanthi
- International Research Centre, Kalasalingam Academy of Research and Education (Deemed University), Krishnankoil 626126, Tamil Nadu, India; Department of Physics, Kalasalingam Academy of Research and Education (Deemed University), Krishnankoil 626126, Tamil Nadu, India.
| | - Subash C B Gopinath
- Faculty of Chemical Engineering & Technology, Universiti Malaysia Perlis (UniMAP), 02600 Arau, Perlis, Malaysia; Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), 01000 Kangar, Perlis, Malaysia; Micro System Technology, Centre of Excellence (CoE), Universiti Malaysia Perlis (UniMAP), Pauh Campus, 02600 Arau, Perlis, Malaysia; Department of Computer Science and Engineering, Faculty of Science and Information Technology, Daffodil International University, Daffodil Smart City, Birulia, Savar, Dhaka, 1216, Bangladesh
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3
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Dopierała K, Knitter M, Dobrzyńska-Mizera M, Andrzejewski J, Bartkowska A, Prochaska K. Surface Functionalization of Poly(lactic acid) via Deposition of Hydroxyapatite Monolayers for Biomedical Applications. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:15610-15619. [PMID: 37882695 PMCID: PMC10634356 DOI: 10.1021/acs.langmuir.3c01914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 10/27/2023]
Abstract
The surface modification of poly(lactic acid) (PLA) using hydroxyapatite (HAP) particles via Langmuir-Blodgett (LB) and Langmuir-Schaefer (LS) approaches has been reported. The HAP monolayer was characterized at the air/water interface and deposited on three-dimensional (3D) printed poly(lactic acid). The deposition of HAP particles using the LS approach led to a larger surface coverage in comparison to the LB method, which produces a less uniform coating because of the aggregation of the particles. After the transfer of HAP on the PLA surface, the wettability values remained within the desired range. The presence of HAP on the surface of the polymer altered the topography and roughness in the nanoscale, as evidenced by the atomic force microscopy (AFM) images. This effect can be beneficial for the osteointegration of polymeric implants at an early stage, as well as for the reduction of the adherence of the microbial biofilm. Overall, the results suggest that the LS technique could be a promising approach for surface modification of PLA by hydroxyapatite with respective advantages in the biomedical field.
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Affiliation(s)
- Katarzyna Dopierała
- Institute
of Chemical Technology and Engineering, Poznan University of Technology, Berdychowo 4, 60-965 Poznań, Poland
| | - Monika Knitter
- Institute
of Material Technology, Poznan University
of Technology, Piotrowo
3, 61-138 Poznań, Poland
| | - Monika Dobrzyńska-Mizera
- Institute
of Material Technology, Poznan University
of Technology, Piotrowo
3, 61-138 Poznań, Poland
| | - Jacek Andrzejewski
- Institute
of Material Technology, Poznan University
of Technology, Piotrowo
3, 61-138 Poznań, Poland
| | - Aneta Bartkowska
- Poznan
University of Technology, Faculty of Materials Engineering and Technical
Physics, Institute of Material Science and
Engineering, Jana Pawła
II 24, 61-138 Poznań, Poland
| | - Krystyna Prochaska
- Institute
of Chemical Technology and Engineering, Poznan University of Technology, Berdychowo 4, 60-965 Poznań, Poland
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Herbanu A, Ana ID, Ardhani R, Siswomihardjo W. Fibrous PVA Matrix Containing Strontium-Substituted Hydroxyapatite Nanoparticles from Golden Apple Snail ( Pomacea canaliculata L.) Shells for Bone Tissue Engineering. Bioengineering (Basel) 2023; 10:844. [PMID: 37508870 PMCID: PMC10376042 DOI: 10.3390/bioengineering10070844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/25/2023] [Accepted: 06/28/2023] [Indexed: 07/30/2023] Open
Abstract
A scaffold that replicates the physicochemical composition of bone at the nanoscale level is a promising replacement for conventional bone grafts such as autograft, allograft, or xenograft. However, its creation is still a major challenge in bone tissue engineering. The fabrication of a fibrous PVA-HA/Sr matrix made of strontium (Sr)-substituted hydroxyapatite from the shell of Pomecea canaliculate L. (golden apple snail) is reported in this work. Since the fabrication of HAp from biogenic resources such as the shell of golden apple snail (GASs) should be conducted at very high temperature and results in high crystalline HAp, Sr substitution to Ca was applied to reduce crystallinity during HAp synthesis. The resulted HAp and HA/Sr nanoparticles were then combined with PVA to create fibrous PVA-HAp or PVA-HA/Sr matrices in 2 or 4 mol % Sr ions substitution by electrospinning. The nanofiber diameter increased gradually by the addition of HAp, HA/Sr 2 mol %, and HA/Sr 4 mol %, respectively, into PVA. The percentage of the swelling ratio increased and reached the maximum value in PVA-HA/Sr-4 mol %, as well as in its protein adsorption. Furthermore, the matrices with HAp or HA/Sr incorporation exhibited good bioactivity, increased cell viability and proliferation. Therefore, the fibrous matrices generated in this study are considered potential candidates for bone tissue engineering scaffolds. Further in vivo studies become an urgency to valorize these results into real clinical application.
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Affiliation(s)
- Aldi Herbanu
- Doctoral Study Program, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
| | - Ika Dewi Ana
- Department of Dental Biomedical Sciences, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
- Research Collaboration Center for Biomedical Scaffolds, National Research and Innovation Agency of the Republic of Indonesia, Yogyakarta 55281, Indonesia
| | - Retno Ardhani
- Department of Dental Biomedical Sciences, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
| | - Widowati Siswomihardjo
- Doctoral Study Program, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
- Department of Dental Biomaterials, Faculty of Dentistry, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
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Kang MS, Park R, Jo HJ, Shin YC, Kim CS, Hyon SH, Hong SW, Oh J, Han DW. Spontaneous Osteogenic Differentiation of Human Mesenchymal Stem Cells by Tuna-Bone-Derived Hydroxyapatite Composites with Green Tea Polyphenol-Reduced Graphene Oxide. Cells 2023; 12:1448. [PMID: 37296569 PMCID: PMC10252354 DOI: 10.3390/cells12111448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 05/15/2023] [Accepted: 05/16/2023] [Indexed: 06/12/2023] Open
Abstract
In recent years, bone tissue engineering (BTE) has made significant progress in promoting the direct and functional connection between bone and graft, including osseointegration and osteoconduction, to facilitate the healing of damaged bone tissues. Herein, we introduce a new, environmentally friendly, and cost-effective method for synthesizing reduced graphene oxide (rGO) and hydroxyapatite (HAp). The method uses epigallocatechin-3-O-gallate (EGCG) as a reducing agent to synthesize rGO (E-rGO), and HAp powder is obtained from Atlantic bluefin tuna (Thunnus thynnus). The physicochemical analysis indicated that the E-rGO/HAp composites had exceptional properties for use as BTE scaffolds, as well as high purity. Moreover, we discovered that E-rGO/HAp composites facilitated not only the proliferation, but also early and late osteogenic differentiation of human mesenchymal stem cells (hMSCs). Our work suggests that E-rGO/HAp composites may play a significant role in promoting the spontaneous osteogenic differentiation of hMSCs, and we envision that E-rGO/HAp composites could serve as promising candidates for BTE scaffolds, stem-cell differentiation stimulators, and implantable device components because of their biocompatible and bioactive properties. Overall, we suggest a new approach for developing cost-effective and environmentally friendly E-rGO/HAp composite materials for BTE application.
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Affiliation(s)
- Moon Sung Kang
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Republic of Korea; (M.S.K.); (R.P.); (H.J.J.); (C.-S.K.)
| | - Rowoon Park
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Republic of Korea; (M.S.K.); (R.P.); (H.J.J.); (C.-S.K.)
| | - Hyo Jung Jo
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Republic of Korea; (M.S.K.); (R.P.); (H.J.J.); (C.-S.K.)
| | - Yong Cheol Shin
- Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA;
| | - Chang-Seok Kim
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Republic of Korea; (M.S.K.); (R.P.); (H.J.J.); (C.-S.K.)
- Engineering Research Center for Color-Modulated Extra-Sensory Perception Technology, Pusan National University, Busan 46241, Republic of Korea
| | | | - Suck Won Hong
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Republic of Korea; (M.S.K.); (R.P.); (H.J.J.); (C.-S.K.)
- Engineering Research Center for Color-Modulated Extra-Sensory Perception Technology, Pusan National University, Busan 46241, Republic of Korea
| | - Junghwan Oh
- Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea
- Department of Biomedical Engineering, Pukyong National University, Busan 48513, Republic of Korea
- Ohlabs Corporation, Busan 48513, Republic of Korea
| | - Dong-Wook Han
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan 46241, Republic of Korea; (M.S.K.); (R.P.); (H.J.J.); (C.-S.K.)
- BIO-IT Fusion Technology Research Institute, Pusan National University, Busan 46241, Republic of Korea
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6
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Xu Y, Guan J, Wang Q, Xue R, He Z, Lu X, Fan J, Yu H, Turghun C, Yu W, Li Z, Abay S, Chen W, Han B. Mussel-Inspired Caries Management Strategy: Constructing a Tribioactive Tooth Surface with Remineralization, Antibiofilm, and Anti-inflammation Activity. ACS APPLIED MATERIALS & INTERFACES 2023; 15:15946-15964. [PMID: 36940092 DOI: 10.1021/acsami.2c21672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Dental caries is a common chronic oral disease in humans resulting from tooth demineralization caused by acid production of bacterial plaque, which leads to the destruction of enamel and dentin and oral inflammation. However, it is still a challenge that the function of natural active ingredients in currently available oral care products is not comprehensive, especially the lack of remineralization. Here, inspired by the strong biological adhesion ability of mussels and ancient oral disease plant therapy, a multifunctional strategy is proposed to construct a bioactive tooth surface to treat dental caries. It has been demonstrated that the Turkish gall extract (TGE) can inhibit adhesion of cariogenic bacteria Streptococcus mutans and Actinomyces viscosus and destroy biofilms on the tooth surface. Meanwhile, TGE can reduce the expression of inflammatory factors. Notably, the TGE coating can induce the growth of hydroxyapatite (HAP) crystals in vivo and in vitro, recovering the enamel mechanical properties under normal oral conditions. MD simulations interpreted the adsorption mechanism by which the hydroxyl groups in TGE bind to phosphate group (PO43-) on the tooth surface, attracting calcium ions (Ca2+) as nucleation sites for remineralization. This work underlines the importance of TGE coating in remineralization, antibiofilm, and anti-inflammation activity as a promising strategy for dental caries.
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Affiliation(s)
- Yu Xu
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Jiawei Guan
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Qi Wang
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Rui Xue
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Zhirong He
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Xin Lu
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Jingmin Fan
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Hang Yu
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Chimengul Turghun
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Wei Yu
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Zhijian Li
- Xinjiang Institute of Traditional Uygur Medicine, Urumqi 830049, Xinjiang, P. R. China
| | - Sirapil Abay
- Xinjiang Institute of Traditional Uygur Medicine, Urumqi 830049, Xinjiang, P. R. China
| | - Wen Chen
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
| | - Bo Han
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources Ministry of Education, Shihezi University College of Pharmacy, Shihezi 832003, Xinjiang, P. R. China
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Monte JP, Fontes A, Pereira GA, Pereira G, Santos BS. Preparation and Characterization of Mg(II) Doped Hydroxyapatite Biocomposites. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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8
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Development and characterization of natural rubber latex wound dressings enriched with hydroxyapatite and silver nanoparticles for biomedical uses. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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9
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UMAOH Calcium Phosphate Coatings Designed for Drug Delivery: Vancomycin, 5-Fluorouracil, Interferon α-2b Case. MATERIALS 2022; 15:ma15134643. [PMID: 35806777 PMCID: PMC9267872 DOI: 10.3390/ma15134643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 12/10/2022]
Abstract
Drug delivery systems based on calcium phosphate (CaP) coatings have been recently recognized as beneficial drug delivery systems in complex cases of bone diseases for admission of drugs in the localized area, simultaneously inducing osteoinduction because of the bioavailable Ca and P ions. However, micro-arc oxidation (MAO) deposition of CaP does not allow for the formation of a coating with sufficient interconnected porosity for drug delivery purposes. Here, we report on the method to deposit CaP-based coatings using a new hybrid ultrasound-assisted MAO (UMAOH) method for deposition of coatings for drug delivery that could carry various types of drugs, such as cytostatic, antibacterial, or immunomodulatory compositions. Application of UMAOH resulted in coatings with an Ra roughness equal to 3.5 µm, a thickness of 50–55 µm, and a combination of high values of internal and surface porosity, 39 and 28%, respectively. The coating is represented by the monetite phase that is distributed in the matrix of amorphous CaP. Optimal conditions of coating deposition have been determined and used for drug delivery by impregnation with Vancomycin, 5-Fluorouracil, and Interferon-α-2b. Cytotoxicity and antimicrobial activity of the manufactured drug-carrying coatings have been studied using the three different cell lines and methicillin-resistant S. aureus.
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Li L, Huang Y, Qin J, Honiball JR, Wen D, Xie X, Shi Z, Cui X, Li B. Development of a borosilicate bioactive glass scaffold incorporating calcitonin gene-related peptide for tissue engineering. BIOMATERIALS ADVANCES 2022; 138:212949. [PMID: 35913241 DOI: 10.1016/j.bioadv.2022.212949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/04/2022] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
Protein delivery and release from synthetic scaffold materials are major challenges within the field of bone tissue engineering. In this study, 13-93B1.5 borosilicate bioactive glass (BSG) base paste was 3D printed to produce BSG-based scaffolds with high porosity (59.85 ± 6.04%) and large pore sizes (350-400 μm) for functionalization with a sodium alginate (SA)/calcitonin gene-related peptide (CGRP) hydrogel mixture. SA/CGRP hydrogel was uniformly filled into the interconnected pores of 3D printed BSG constructs to produce BSG-SA/CGRP scaffolds which were subject to bioactivity and biocompatibility analysis. BSG scaffolds filled with SA hydrogel underwent dissolution in simulated body fluid (SBF), resulting in the precipitation of hydroxyapatite (HA) on the borosilicate glass evidenced by scanning electron microscope (SEM), energy dispersive spectroscopy (EDS), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). Around 90% of CGRP was released from scaffolds after 7 days of immersion in SBF, reaching a final released concentration of 893.00 ± 63.30 ng/mL. Cellular adhesion, proliferation, and differentiation of human bone marrow mesenchymal stem cells (HBMSCs) cultured with BSG-SA/CGRP scaffolds revealed improved biocompatibility and osteogenic capabilities compared with BSG-SA scaffolds in the absence of CGRP. When subcutaneously implanted in rat models, BSG-SA/CGRP scaffolds induced low localized inflammation without causing bodily harm in vivo. Findings revealed that bioactive glass scaffolds incorporating CGRP met the scaffold requirements for bone regeneration and that the addition of CGRP promoted osteogenic differentiation where it may potentially be utilized for future regenerative applications.
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Affiliation(s)
- Li Li
- Department of Orthopaedics, Fourth Affiliated Hospital of Guangxi Medical University/Liuzhou Worker's Hospital, Liuzhou 545000, PR China; Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, PR China
| | - Yonghua Huang
- Department of Orthopaedics, Fourth Affiliated Hospital of Guangxi Medical University/Liuzhou Worker's Hospital, Liuzhou 545000, PR China
| | - Jianguo Qin
- Department of Orthopaedics, Fourth Affiliated Hospital of Guangxi Medical University/Liuzhou Worker's Hospital, Liuzhou 545000, PR China
| | - John Robert Honiball
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, PR China
| | - Dingfu Wen
- Department of Orthopaedics, Fourth Affiliated Hospital of Guangxi Medical University/Liuzhou Worker's Hospital, Liuzhou 545000, PR China
| | - Xiangtao Xie
- Department of Orthopaedics, Fourth Affiliated Hospital of Guangxi Medical University/Liuzhou Worker's Hospital, Liuzhou 545000, PR China
| | - Zhanying Shi
- Department of Orthopaedics, Affiliated Liuzhou Hospital of Guangxi Medical University/Liuzhou People's Hospital, Liuzhou 545026, PR China.
| | - Xu Cui
- Center for Human Tissues and Organs Degeneration, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, PR China.
| | - Bing Li
- Department of Orthopaedics, Fourth Affiliated Hospital of Guangxi Medical University/Liuzhou Worker's Hospital, Liuzhou 545000, PR China.
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11
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Micropatterned Polypyrrole/Hydroxyapatite Composite Coatings Promoting Osteoinductive Activity by Electrical Stimulation. COATINGS 2022. [DOI: 10.3390/coatings12060849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Conductive polypyrrole (PPy) has excellent biocompatibility and structural stability. It is an ideal electroactive biomaterial that can apply exogenous electrical stimulation to promote osteoblast differentiation. However, PPy is a kind of bio-inert material, which does not have osteoinductive capacity. Therefore, we have introduced a kind of bioactive material, hydroxyapatite (HA), to construct PPy/HA composite to enhance bioactivity and osteoinduction. In addition, micron-topological morphology of scattered grid pattern has been designed and introduced to the PPy/HA coatings, which can further enhance the regulation ability of the coatings to the adhesion, proliferation and differentiation of MC3T3-E1 cells. In vitro simulated body fluids (SBFs) immersion test results have demonstrated that the fabricated micropatterned PPy/HA composite coatings perform bioactivity well and can promote the mineral deposition of HA on the surface. Moreover, it can also benefit the proliferation and osteognetic differentiation of MC3T3-E1 cells, when accompanied by external electrical stimulation (ES). In this study, we have successfully constructed electroactive and bioactive coatings, the method of which can potentially be applied to the surface functional modification of traditional bone repair metals.
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12
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Song Y, Choi JH, Tumursukh NE, Kim NE, Jeon GY, Kim SE, Kim SI, Song JE, Elçin YM, Khang G. Macro- and microporous polycaprolactone/duck's feet collagen scaffold fabricated by combining facile phase separation and particulate leaching techniques to enhance osteogenesis for bone tissue engineering. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1025-1042. [PMID: 35118913 DOI: 10.1080/09205063.2022.2036933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 01/11/2022] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
Herein, a facile macro- and microporous polycaprolactone/duck's feet collagen scaffold (PCL/DC) was fabricated and characterized to confirm its applicability in bone tissue engineering. A biomimetic scaffold for bone tissue engineering and regeneration for bone defects is an important element. PCL is a widely applied biomaterial for bone tissue engineering due to its biocompatibility and biodegradability. However, the high hydrophobicity and low cell attachment site properties of PCL lead to an insufficient microenvironment in designing a scaffold. Collagen is a nature-derived biomaterial that is widely used in tissue engineering and has excellent biocompatibility, mechanical properties, and cell attachment moieties. Among the resources from which collagen can be obtained, DC contains a high amount of collagen type I (COL1), is biocompatible, and is cost-effective. In this study, the scaffolds were fabricated by blending DC with PCL in various ratios and applied non-solvent-induced phase separation (NIPS) and thermal-induced phase separation (TIPS) (N-TIPS), solvent casting and particulate leaching (SCPL), and gas foaming method to fabricate macro- and microporous structure. The characterization of the fabricated scaffolds was carried out by morphological analysis, bioactivity test, physicochemical analysis, and mechanical test. In vitro study was carried out by viability test, morphology observation, and gene expression. The results showed that the incorporation of DC enhances the physicochemical and mechanical properties of the scaffolds. Also, a large amount of bone mimetic apatite was formed according to the DC content in the bioactivity test. The in vitro study showed that the PCL/DC scaffold is biocompatible and the existence of apatite and DC formed a favorable microenvironment for cell proliferation and differentiation. Overall, the novel porous PCL/DC scaffold can be a promising biomaterial model for bone tissue engineering and regeneration.
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Affiliation(s)
- Youngeun Song
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Joo Hee Choi
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Nomin-Erdene Tumursukh
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Na Eun Kim
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Ga Young Jeon
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Se Eun Kim
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Soo In Kim
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Jeong Eun Song
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
| | - Yaşar Murat Elçin
- Tissue Engineering, Biomaterials and Nanobiotechnology Laboratory, Ankara University Faculty of Science, Ankara, Turkey
| | - Gilson Khang
- Department of Bionanotechnology and Bio-Convergence Engineering, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
- Department of PolymerNano Science & Technology and Polymer Materials Fusion Research Center, Jeonbuk National University, Jeonju-si, Jeonbuk, Korea
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13
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Bahraminasab M, Janmohammadi M, Arab S, Talebi A, Nooshabadi VT, Koohsarian P, Nourbakhsh MS. Bone Scaffolds: An Incorporation of Biomaterials, Cells, and Biofactors. ACS Biomater Sci Eng 2021; 7:5397-5431. [PMID: 34797061 DOI: 10.1021/acsbiomaterials.1c00920] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Large injuries to bones are still one of the most challenging musculoskeletal problems. Tissue engineering can combine stem cells, scaffold biomaterials, and biofactors to aid in resolving this complication. Therefore, this review aims to provide information on the recent advances made to utilize the potential of biomaterials for making bone scaffolds and the assisted stem cell therapy and use of biofactors for bone tissue engineering. The requirements and different types of biomaterials used for making scaffolds are reviewed. Furthermore, the importance of stem cells and biofactors (growth factors and extracellular vesicles) in bone regeneration and their use in bone scaffolds and the key findings are discussed. Lastly, some of the main obstacles in bone tissue engineering and future trends are highlighted.
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Affiliation(s)
- Marjan Bahraminasab
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran.,Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Mahsa Janmohammadi
- Department of Biomedical Engineering, Faculty of New Sciences and Technologies, Semnan University, Semnan 3513119111, Iran
| | - Samaneh Arab
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran.,Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Athar Talebi
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Vajihe Taghdiri Nooshabadi
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran.,Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan 3513138111, Iran
| | - Parisa Koohsarian
- Department of Biochemistry and Hematology, School of Medicine, Semnan University of Medical Sciences, Semnan 3513138111, Iran
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14
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Yilmaz HD, Cengiz U, Arslan YE, Kiran F, Ceylan A. From a plant secretion to the promising bone grafts: Cryogels of silicon-integrated quince seed mucilage by microwave-assisted sol-gel reaction. J Biosci Bioeng 2021; 131:420-433. [PMID: 33454223 DOI: 10.1016/j.jbiosc.2020.11.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 11/06/2020] [Accepted: 11/25/2020] [Indexed: 01/13/2023]
Abstract
Design and fabrication of biologically active cryogels using novel biopolymer(s) are still of great importance at regenerating bone defects such as traumatic bone injuries, maxillofacial surgery, osteomyelitis, and osteoporosis. Nowadays, plant mucilage, an herbal biomaterial, has been drawn attention by scientists due to their marvelous potential to fabricate 3-dimensional (3D) physical constructs for the field of regenerative medicine. Herein, a 3D cryogel from silicon-integrated quince seed mucilage (QSM) is constructed using microwave-assisted sol-gel reaction, characterized in-depth by attenuated total reflectance Fourier transform-infrared spectroscopy (ATR-FTIR), solid-state silicon cross-polarization magic-angle nuclear magnetic resonance (29Si-CP-MAS NMR), X-ray diffraction (XRD), thermogravimetric analysis (TGA), differential scanning calorimeter (DSC), micro-mechanical testing, porosity, and swelling tests, contact angle measurements, Brunauer-Emmet-Teller and Barret-Joyner-Halenda (BET-BJH) analysis, enzymatic biodegradation test, and field emission-scanning electron microscopy-energy dispersive X-ray spectroscopy (FE-SEM-EDX) mapping. The osteobiologic capacity of the cryogels is determined using human adipose-derived mesenchymal stem cells (hAMSCs) under in vitro conditions. Osteogenic differentiation of hAMSCs on both QSM and silica-modified QSM (Si-QSM) cryogels is analyzed by histochemistry, immunohistochemistry, and quantitative-real time (q-RT) PCR techniques. The results obtained from in vitro experiments demonstrate that the upregulation of osteogenesis-related genes in Si-QSM cryogels presents a stronger and earlier development over QSM cryogels throughout the culture period, which in turn reveals the great potential of this novel Si-incorporated QSM cryogels for bone tissue engineering applications.
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Affiliation(s)
- Hilal Deniz Yilmaz
- Regenerative Biomaterials Laboratory, Department of Bioengineering, Engineering Faculty, Çanakkale Onsekiz Mart University, Çanakkale 17100, Turkey
| | - Ugur Cengiz
- Surface Science Research Laboratory, Department of Chemical Engineering, Engineering Faculty, Çanakkale Onsekiz Mart University, Çanakkale 17100, Turkey
| | - Yavuz Emre Arslan
- Regenerative Biomaterials Laboratory, Department of Bioengineering, Engineering Faculty, Çanakkale Onsekiz Mart University, Çanakkale 17100, Turkey.
| | - Fadime Kiran
- Pharmabiotic Technologies Research Laboratory, Department of Biology, Faculty of Science, Ankara University, Ankara 06100, Turkey
| | - Ahmet Ceylan
- Department of Histology and Embryology, Faculty of Veterinary Medicine, Ankara University, Ankara 06110, Turkey
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15
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Zhang Q, Wang W, Schmelzer E, Gerlach J, Liu C, Nettleship I. The degradation behavior of calcium-rich hydroxyapatite foams in vitro. J Biomed Mater Res A 2020; 109:859-868. [PMID: 32997885 DOI: 10.1002/jbm.a.37077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 06/15/2020] [Accepted: 06/23/2020] [Indexed: 11/12/2022]
Abstract
Hydroxyapatite (HA) is a well-known regenerative biomaterial. However, the slow degradation rate of HA is still an obstacle in clinical applications. In this study, we concentrated on investigating the degradation behavior of the calcium-rich HA foams, which had a demonstrated effect on blood differentiation in previous studies. The HA foams were processed by an emulsion method and were infiltrated with calcium nitrate to create a calcium carbonate second phase, heterogeneously distributed on and under the surface of the foam. During the 28-day solubility test, the calcium carbonate phase contributed to enhanced Ca2+ ion release into the saline compared to phase pure HA foams. Both types of foams were biocompatible as demonstrated by human endothelial cell culture on their surface. The release of calcium ions, the degradation behavior, and the endothelial cell differentiation behavior suggest this biphasic ceramic is a candidate for bone marrow in vitro culture and a possible bone substitute material.
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Affiliation(s)
- Qinghao Zhang
- Material Science and Engineering School, East China University of Science and Technology, Shanghai, China.,Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Wenfu Wang
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Eva Schmelzer
- Department of Surgery, McGowan Institute of Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jörg Gerlach
- Department of Surgery, McGowan Institute of Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Changsheng Liu
- Material Science and Engineering School, East China University of Science and Technology, Shanghai, China
| | - Ian Nettleship
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Department of Surgery, McGowan Institute of Regenerative Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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16
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Yu L, Silva Santisteban TM, Liu Q, Hu C, Bi J, Wei M. Effect of three-dimensional porosity gradients of biomimetic coatings on their bonding strength and cell behavior. J Biomed Mater Res A 2020; 109:615-626. [PMID: 32608169 DOI: 10.1002/jbm.a.37046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 03/19/2020] [Accepted: 06/06/2020] [Indexed: 02/06/2023]
Abstract
Surface modification techniques are often used to enhance the properties of Ti-based materials as hard-tissue replacements. While the microstructure of the coating and the quality of the interface between the substrate and coating are essential to evaluate the reliability and applicability of the surface modification. In this study, both a hydroxyapatite (HA) coating and a collagen-hydroxyapatite (Col-HA) composite coating were deposited onto a Ti-6Al-4V substrate using a biomimetic coating process. Importantly, a gradient cross-sectional structure with a porous coating toward the surface, while a dense layer adjacent to the interface between the coating and substrate was observed in three-dimensional (3D) from both the HA and Col-HA coatings via a dual-beam focused ion beam-scanning electron microscope (FIB-SEM). Moreover, the pore distributions within the entire coatings were reconstructed in 3D using Avizo, and the pores size distributions along the coating depth were calculated using RStudio. By evaluating the mechanical property and biocompatibility of these materials and closely observing the cross-sectional cell-coating-substrate interfaces using FIB-SEM, it was revealed that the porous surface created by both coatings well supports osteoblast cell adhesion while the dense inner layer facilitates a good bonding between the coating and the substrate. Although the mechanical property of the coating decreased with the addition of collagen, it is still strong enough for implant handling and the biocompatibility was promoted.
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Affiliation(s)
- Le Yu
- Department of Materials Science and Engineering, University of Connecticut, Storrs, Connecticut, USA.,Department of Chemical and Biomolecular Engineering, Ohio University, Athens, Ohio, USA
| | | | - Qinqing Liu
- Department of Computer Science and Engineering, University of Connecticut, Storrs, Connecticut, USA
| | - Changmin Hu
- Institute of Materials Science, University of Connecticut, Storrs, Connecticut, USA
| | - Jinbo Bi
- Department of Computer Science and Engineering, University of Connecticut, Storrs, Connecticut, USA
| | - Mei Wei
- Department of Materials Science and Engineering, University of Connecticut, Storrs, Connecticut, USA.,Institute of Materials Science, University of Connecticut, Storrs, Connecticut, USA.,Department of Mechanical Engineering, Ohio University, Athens, Ohio, USA
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17
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Comparative study on biodegradation and biocompatibility of multichannel calcium phosphate based bone substitutes. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 110:110694. [PMID: 32204008 DOI: 10.1016/j.msec.2020.110694] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 01/13/2020] [Accepted: 01/25/2020] [Indexed: 02/06/2023]
Abstract
The objective of this study was to fabricate multichannel biphasic calcium phosphate (BCP) and β-tricalcium phosphate (TCP) bone substitutes and compare their long-term biodegradation and bone regeneration potentials. Multi-channel BCP and TCP scaffolds were fabricated by multi-pass extrusion process. Both scaffolds were cylindrical with a diameter of 1-mm, a length of 1-mm, and seven interconnected channels. Morphology, chemical composition, phase, porosity, compressive strength, ion release behavior, and in-vitro biocompatibility of both scaffolds were studied. In-vivo biodegradation and bone regeneration efficacies of BCP and TCP were also evaluated using a rabbit model for 1 week, 1 month, and 6 months. BCP exhibited superior compressive strength compared to TCP scaffold. TCP showed higher release of both calcium ions and phosphorous ions than BCP in SBF solution. Both scaffolds showed excellent in-vitro biocompatibility and upregulated the expression of osteogenic markers of MC3T3-E1 cells. In-vivo studies revealed that both cylindrical TCP and BCP scaffolds were osteoconductive and supported new bone formation. Micro-CT data showed that the bone-regeneration efficacy of TCP was higher at one month and at six months after implantation. Histological examination confirmed that TCP degraded faster and had better bone regeneration than BCP after 6 months.
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18
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Durgalakshmi D, Rakkesh RA, Aruna P, Ganesan S, Balakumar S. Bioactivity and hemocompatibility of sol–gel bioactive glass synthesized under different catalytic conditions. NEW J CHEM 2020. [DOI: 10.1039/d0nj02445g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
In bioactive glass synthesis by sol–gel method, HCl catalyst induces biocompatible wollastonite crystallization and supports higher apatite formation.
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Affiliation(s)
- D. Durgalakshmi
- Department of Medical Physics, Anna University
- Chennai – 600 025
- India
| | - R. Ajay Rakkesh
- CAS in Crystallography and Biophysics, University of Madras
- Chennai – 600 025
- India
| | - P. Aruna
- Department of Medical Physics, Anna University
- Chennai – 600 025
- India
| | | | - S. Balakumar
- National Centre for Nanoscience and Nanotechnology, University of Madras
- Chennai – 600 025
- India
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19
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Bellucci D, Veronesi E, Strusi V, Petrachi T, Murgia A, Mastrolia I, Dominici M, Cannillo V. Human Mesenchymal Stem Cell Combined with a New Strontium-Enriched Bioactive Glass: An ex-vivo Model for Bone Regeneration. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3633. [PMID: 31694164 PMCID: PMC6862168 DOI: 10.3390/ma12213633] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 10/30/2019] [Accepted: 10/31/2019] [Indexed: 12/16/2022]
Abstract
A 3D cellular model that mimics the potential clinical application of a biomaterial is here applied for the first time to a bioactive glass, in order to assess its biological potential. A recently developed bioactive glass (BGMS10), whose composition contained strontium and magnesium, was produced in the form of granules and fully investigated in terms of biocompatibility in vitro. Apart from standard biological characterization (Simulated Body Fluid (SBF) testing and biocompatibility as per ISO10993), human bone marrow mesenchymal stromal/stem cells (BM-MSCs) were used to investigate the performance of the bioactive glass granules in an innovative 3D cellular model. The results showed that BGMS10 supported human BM-MSCs adhesion, colonization, and bone differentiation. Thus, bioactive glass granules seem to drive osteogenic differentiation and thus look particularly promising for orthopedic applications, bone tissue engineering and regenerative medicine.
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Affiliation(s)
- Devis Bellucci
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy;
| | - Elena Veronesi
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, Hospital of Modena, Via del Pozzo 71, 44125 Modena, Italy; (E.V.); (T.P.); (A.M.); (I.M.); (M.D.)
- Scientific and Technological Park of Medicine “Mario Veronesi”, via 29 Maggio 6, 41037 Mirandola, Italy;
| | - Valentina Strusi
- Scientific and Technological Park of Medicine “Mario Veronesi”, via 29 Maggio 6, 41037 Mirandola, Italy;
| | - Tiziana Petrachi
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, Hospital of Modena, Via del Pozzo 71, 44125 Modena, Italy; (E.V.); (T.P.); (A.M.); (I.M.); (M.D.)
- Scientific and Technological Park of Medicine “Mario Veronesi”, via 29 Maggio 6, 41037 Mirandola, Italy;
| | - Alba Murgia
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, Hospital of Modena, Via del Pozzo 71, 44125 Modena, Italy; (E.V.); (T.P.); (A.M.); (I.M.); (M.D.)
| | - Ilenia Mastrolia
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, Hospital of Modena, Via del Pozzo 71, 44125 Modena, Italy; (E.V.); (T.P.); (A.M.); (I.M.); (M.D.)
| | - Massimo Dominici
- Department of Medical and Surgical Sciences for Children & Adults, University of Modena and Reggio Emilia, Hospital of Modena, Via del Pozzo 71, 44125 Modena, Italy; (E.V.); (T.P.); (A.M.); (I.M.); (M.D.)
- Scientific and Technological Park of Medicine “Mario Veronesi”, via 29 Maggio 6, 41037 Mirandola, Italy;
| | - Valeria Cannillo
- Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Via P. Vivarelli 10, 41125 Modena, Italy;
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20
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Sobolev A, Valkov A, Kossenko A, Wolicki I, Zinigrad M, Borodianskiy K. Bioactive Coating on Ti Alloy with High Osseointegration and Antibacterial Ag Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2019; 11:39534-39544. [PMID: 31590486 DOI: 10.1021/acsami.9b13849] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Titanium alloys have advanced mechanical properties jointly with high biocompatibility that make them eminently suitable for biomedical applications such as dental and orthopedic implants. Improvement in their osseointegration with human bone can be achieved by the development of hydroxyapatite (HAp) on a Ti alloy surface using different methods of deposition. However, plasma electrolytic oxidation (PEO) treatment has been found to be one of the most promising techniques, due to the formation of high bonding between the bone and the Ti surface. Along with this high bonding, an antibacterial ability of the surface to prevent bacterial infection is also essential. Silver, which is a widely applicable antibacterial agent, was used in this work. First, a titanium oxide coating containing calcium and phosphorus and Ag nanoparticles was formed by PEO treatment. Then, Ti alloy was subjected to hydrothermal treatment to ensure a crystalline formation of HAp. Morphology and phase composition investigations detected the presence of HAp crystals in the coating along with antibacterial agents of silver nanoparticles. The biocompatibility and bioactivity of the created coating were examined by contact angle (CS) measurement and electrochemical impedance spectroscopy (EIS). It was shown that the coating was extensively grown after exposure of the alloy to simulated body fluid (SBF) solution for 7 days with no effect on the Ag nanoparticles. An antibacterial test using Staphylococcus aureus and Escherichia coli revealed that the coating containing Ag nanoparticles has more significant antibacterial effectiveness compared to a coating that does not contain silver.
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Affiliation(s)
- Alexander Sobolev
- Department of Chemical Engineering, Biotechnology and Materials , Ariel University , Ariel 40700 , Israel
| | - Anton Valkov
- Department of Chemical Engineering, Biotechnology and Materials , Ariel University , Ariel 40700 , Israel
| | - Alexey Kossenko
- Department of Chemical Engineering, Biotechnology and Materials , Ariel University , Ariel 40700 , Israel
| | - Israel Wolicki
- Department of Chemical Engineering, Biotechnology and Materials , Ariel University , Ariel 40700 , Israel
| | - Michael Zinigrad
- Department of Chemical Engineering, Biotechnology and Materials , Ariel University , Ariel 40700 , Israel
| | - Konstantin Borodianskiy
- Department of Chemical Engineering, Biotechnology and Materials , Ariel University , Ariel 40700 , Israel
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21
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Aslankoohi N, Mondal D, Rizkalla AS, Mequanint K. Bone Repair and Regenerative Biomaterials: Towards Recapitulating the Microenvironment. Polymers (Basel) 2019; 11:E1437. [PMID: 31480693 PMCID: PMC6780693 DOI: 10.3390/polym11091437] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 08/24/2019] [Accepted: 08/25/2019] [Indexed: 02/07/2023] Open
Abstract
Biomaterials and tissue engineering scaffolds play a central role to repair bone defects. Although ceramic derivatives have been historically used to repair bone, hybrid materials have emerged as viable alternatives. The rationale for hybrid bone biomaterials is to recapitulate the native bone composition to which these materials are intended to replace. In addition to the mechanical and dimensional stability, bone repair scaffolds are needed to provide suitable microenvironments for cells. Therefore, scaffolds serve more than a mere structural template suggesting a need for better and interactive biomaterials. In this review article, we aim to provide a summary of the current materials used in bone tissue engineering. Due to the ever-increasing scientific publications on this topic, this review cannot be exhaustive; however, we attempted to provide readers with the latest advance without being redundant. Furthermore, every attempt is made to ensure that seminal works and significant research findings are included, with minimal bias. After a concise review of crystalline calcium phosphates and non-crystalline bioactive glasses, the remaining sections of the manuscript are focused on organic-inorganic hybrid materials.
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Affiliation(s)
- Neda Aslankoohi
- School of Biomedical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
| | - Dibakar Mondal
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
| | - Amin S Rizkalla
- School of Biomedical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
- Schulich School of Medicine and Dentistry, The University of Western Ontario, London, ON N6A 5B9, Canada.
| | - Kibret Mequanint
- School of Biomedical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON N6A 5B9, Canada.
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22
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Grafting of Gallic Acid onto a Bioactive Ti6Al4V Alloy: A Physico-Chemical Characterization. COATINGS 2019. [DOI: 10.3390/coatings9050302] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Despite increasing interest in the use of natural biomolecules for different applications, few attempts of coupling them to inorganic biomaterials are reported in literature. Functionalization of metal implants with natural biomolecules could allow a local action, overcoming the issue of low bioavailability through systemic administration. In the present work, gallic acid was grafted to a pre-treated Ti6Al4V in order to improve its biological response in bone contact applications. The grafting procedure was optimized by choosing the concentration of gallic acid (1 mg/mL) and the solvent of the solution, which was used as a source for functionalization, in order to maximize the amount of the grafted molecule on the titanium substrate. The functionalized surfaces were characterized. The results showed that functionalization with Simulated Body Fluid (SBF) as solvent medium was the most effective in terms of the amount and activity of the grafted biomolecule. A key role of calcium ions in the grafting mechanism is suggested, involving the formation of coordination compounds formed by way of gallic acid carboxylate and Ti–O− as oxygenated donor groups. Bioactive behavior and surface charge of the pre-treated Ti6Al4V surface were conserved after functionalization. The functionalized surface exposed a greater amount of OH groups and showed higher wettability.
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23
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Iviglia G, Kargozar S, Baino F. Biomaterials, Current Strategies, and Novel Nano-Technological Approaches for Periodontal Regeneration. J Funct Biomater 2019; 10:E3. [PMID: 30609698 PMCID: PMC6463184 DOI: 10.3390/jfb10010003] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Revised: 12/07/2018] [Accepted: 12/17/2018] [Indexed: 12/14/2022] Open
Abstract
Periodontal diseases involve injuries to the supporting structures of the tooth and, if left untreated, can lead to the loss of the tooth. Regenerative periodontal therapies aim, ideally, at healing all the damaged periodontal tissues and represent a significant clinical and societal challenge for the current ageing population. This review provides a picture of the currently-used biomaterials for periodontal regeneration, including natural and synthetic polymers, bioceramics (e.g., calcium phosphates and bioactive glasses), and composites. Bioactive materials aim at promoting the regeneration of new healthy tissue. Polymers are often used as barrier materials in guided tissue regeneration strategies and are suitable both to exclude epithelial down-growth and to allow periodontal ligament and alveolar bone cells to repopulate the defect. The problems related to the barrier postoperative collapse can be solved by using a combination of polymeric membranes and grafting materials. Advantages and drawbacks associated with the incorporation of growth factors and nanomaterials in periodontal scaffolds are also discussed, along with the development of multifunctional and multilayer implants. Tissue-engineering strategies based on functionally-graded scaffolds are expected to play an ever-increasing role in the management of periodontal defects.
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Affiliation(s)
| | - Saeid Kargozar
- Department of Modern Sciences and Technologies, School of Medicine, Mashhad University of Medical Sciences, Mashhad 917794-8564, Iran.
| | - Francesco Baino
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology, Politecnico di Torino, 10129 Torino, Italy.
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24
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Ng HM, Bee ST, Tin Sin L, Ratnam CT, Rahmat AR. Hydroxyapatite For Poly(α-Hydroxy Esters) Biocomposites Applications. POLYM REV 2018. [DOI: 10.1080/15583724.2018.1488729] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Hon-Meng Ng
- Department of Chemical Engineering Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang, Malaysia
| | - Soo-Tueen Bee
- Department of Chemical Engineering Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang, Malaysia
| | - Lee Tin Sin
- Department of Chemical Engineering Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang, Malaysia
| | - Chantara T. Ratnam
- Radiation Processing Technology Division, Malaysian Nuclear Agency, Kajang, Malaysia
| | - Abdul Razak Rahmat
- Department of Polymer Engineering Faculty of Chemical Engineering, Universiti Teknologi Malaysia, Johor, Malaysia
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25
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Alginate Utilization in Tissue Engineering and Cell Therapy. SPRINGER SERIES IN BIOMATERIALS SCIENCE AND ENGINEERING 2018. [DOI: 10.1007/978-981-10-6910-9_5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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26
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Hussein MA, Kumar M, Drew R, Al-Aqeeli N. Electrochemical Corrosion and In Vitro Bioactivity of Nano-Grained Biomedical Ti-20Nb-13Zr Alloy in a Simulated Body Fluid. MATERIALS 2017; 11:ma11010026. [PMID: 29280956 PMCID: PMC5793524 DOI: 10.3390/ma11010026] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 12/01/2017] [Accepted: 12/12/2017] [Indexed: 02/07/2023]
Abstract
The bioactivity and the corrosion protection for a novel nano-grained Ti-20Nb-13Zr at % alloy were examined in a simulated body fluid (SBF). The effect of the SPS's temperature on the corrosion performance was investigated. The phases and microstructural details of the developed alloy were analyzed by XRD (X-ray Diffraction), SEM (Scanning Electron Microscopy), and TEM (Transmission Electron Microscope). The electrochemical study was investigated using linear potentiodynamic polarization and electrochemical impedance spectroscopy in a SBF, and the bioactivity was examined by immersing the developed alloy in a SBF for 3, 7, and 14 days. The morphology of the depositions after immersion was examined using SEM. Alloy surface analysis after immersion in the SBF was characterized by XPS (X-ray Photoelectron Spectroscopy). The results of the bioactivity test in SBF revealed the growth of a hydroxyapatite layer on the surface of the alloy. The analysis of XPS showed the formation of protective oxides of TiO₂, Ti₂O₃, ZrO₂, Nb₂O₅, and a Ca₃(PO₄)₂ compound (precursor of hydroxyapatite) deposited on the alloy surface, indicating that the presented alloy can stimulate bone formation. The corrosion resistance increased by increasing the sintering temperature and the highest corrosion resistance was obtained at 1200 °C. The improved corrosion protection was found to be related to the alloy densification. The bioactivity and the corrosion resistance of the developed nanostructured alloy in a SBF renders the nanostructured Ti-20Nb-13Zr alloy a promising candidate as an implant material.
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Affiliation(s)
- Mohamed A Hussein
- Center of Research Excellence in Corrosion, Research Institute, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia.
| | - Madhan Kumar
- Center of Research Excellence in Corrosion, Research Institute, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia.
| | - Robin Drew
- Department of Mechanical and Industrial Engineering, Concordia University, Montreal, QC H3G 1M8, Canada.
| | - Nasser Al-Aqeeli
- Department of Mechanical Engineering, King Fahd University of Petroleum & Minerals (KFUPM), Dhahran 31261, Saudi Arabia.
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27
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Corral Nuñez C, Covarrubias C, Fernandez E, Oliveira OBD. Enhanced bioactive properties of BiodentineTM modified with bioactive glass nanoparticles. J Appl Oral Sci 2017; 25:177-185. [PMID: 28403358 PMCID: PMC5393538 DOI: 10.1590/1678-77572016-0209] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 12/15/2016] [Indexed: 11/21/2022] Open
Abstract
Objective To prepare nanocomposite cements based on the incorporation of bioactive glass nanoparticles (nBGs) into BiodentineTM (BD, Septodent, Saint-Maur-des-Fosses Cedex, France) and to assess their bioactive properties. Material and Methods nBGs were synthesised by the sol-gel method. BD nanocomposites (nBG/BD) were prepared with 1 and 2% nBGs by weight; unmodified BD and GC Fuji IX (GIC, GC Corporation, Tokyo, Japan) were used as references. The in vitro ability of the materials to induce apatite formation was assessed in SBF by X-ray diffraction (XRD), attenuated total reflectance with Fourier transform infrared spectroscopy (ATR-FTIR), and scanning electron microscopy (SEM) with energy dispersive X-ray (EDX) analysis. BD and nBG/BD were also applied to dentine discs for seven days; the morphology and elemental composition of the dentine-cement interface were analysed using SEM-EDX. Results One and two percent nBG/BD composites accelerated apatite formation on the disc surface after short-term immersion in SBF. Apatite was detected on the nBG/BD nanocomposites after three days, compared with seven days for unmodified BD. No apatite formation was detected on the GIC surface. nBG/BD formed a wider interfacial area with dentine than BD, showing blockage of dentine tubules and Si incorporation, suggesting intratubular precipitation. Conclusions The incorporation of nBGs into BD improves its in vitro bioactivity, accelerating the formation of a crystalline apatite layer on its surface after immersion in SBF. Compared with unmodified BD, nBG/BD showed a wider interfacial area with greater Si incorporation and intratubular precipitation of deposits when immersed in SBF.
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Affiliation(s)
- Camila Corral Nuñez
- Universidad de Chile, Facultad de Odontología, Departamento de Odontología Restauradora, Santiago, Chile.,Universidade Estadual Paulista - UNESP, Faculdade de Odontologia, Departmento de Odontologia Restauradora, Araraquara, Brazil
| | - Cristian Covarrubias
- Universidad de Chile, Facultad de Odontología, Instituto de Investigación en Ciencias Odontológicas, Laboratorio de Nanobiomateriales, Santiago, Chile
| | - Eduardo Fernandez
- Universidad de Chile, Facultad de Odontología, Departamento de Odontología Restauradora, Santiago, Chile
| | - Osmir Batista de Oliveira
- Universidade Estadual Paulista - UNESP, Faculdade de Odontologia, Departmento de Odontologia Restauradora, Araraquara, Brazil
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28
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Klimek K, Przekora A, Benko A, Niemiec W, Blazewicz M, Ginalska G. The use of calcium ions instead of heat treatment for β-1,3-glucan gelation improves biocompatibility of the β-1,3-glucan/HA bone scaffold. Carbohydr Polym 2017; 164:170-178. [PMID: 28325314 DOI: 10.1016/j.carbpol.2017.02.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 01/25/2017] [Accepted: 02/03/2017] [Indexed: 11/30/2022]
Abstract
The aim of this study was to determine which procedure for β-1,3-glucan gelation - newly developed dialysis against calcium salt or described in the literature thermal technique - is more appropriate for fabrication of a biomaterial designed for bone tissue engineering applications. Thus, β-1,3-glucan/hydroxyapatite scaffolds were prepared based on two different methods and their physicochemical, microstructural, and biological properties were compared. Obtained results demonstrated that unlike thermal method-prepared β-1,3-glucan/hydroxyapatite material (glu/HAT), bone scaffold fabricated via dialysis method (glu/HA D) possessed rough surface resulting from the presence of CaCl2 precipitates as proven by SEM and EDS analysis. As a consequence, glu/HA D scaffold released Ca2+ ions to the surrounding environment positively affecting osteoblast behaviour and biomineralization in vitro. Since glu/HA D material exhibited better bioactivity and biocompatibility compared to the glu/HA T scaffold, it may be concluded that the dialysis method is more suitable for β-1,3-glucan/hydroxyapatite biomaterial fabrication.
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Affiliation(s)
- Katarzyna Klimek
- Medical University of Lublin, Chair and Department of Biochemistry and Biotechnology, Chodzki 1 Street, 20-093 Lublin, Poland.
| | - Agata Przekora
- Medical University of Lublin, Chair and Department of Biochemistry and Biotechnology, Chodzki 1 Street, 20-093 Lublin, Poland.
| | - Aleksandra Benko
- AGH University, Faculty of Materials Science and Ceramics, Department of Biomaterials, A. Mickiewicza 30 Ave., 30-059 Krakow, Poland
| | - Wiktor Niemiec
- AGH University, Faculty of Materials Science and Ceramics, Department of Biomaterials, A. Mickiewicza 30 Ave., 30-059 Krakow, Poland
| | - Marta Blazewicz
- AGH University, Faculty of Materials Science and Ceramics, Department of Biomaterials, A. Mickiewicza 30 Ave., 30-059 Krakow, Poland
| | - Grazyna Ginalska
- Medical University of Lublin, Chair and Department of Biochemistry and Biotechnology, Chodzki 1 Street, 20-093 Lublin, Poland
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29
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Cecen B, Kozaci LD, Yuksel M, Ustun O, Ergur BU, Havitcioglu H. Biocompatibility and biomechanical characteristics of loofah based scaffolds combined with hydroxyapatite, cellulose, poly- l -lactic acid with chondrocyte-like cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 69:437-46. [DOI: 10.1016/j.msec.2016.07.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 06/28/2016] [Accepted: 07/04/2016] [Indexed: 10/21/2022]
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30
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Zhang Q, Schmelzer E, Gerlach JC, Nettleship I. A microstructural study of the degradation and calcium release from hydroxyapatite-calcium oxide ceramics made by infiltration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 73:684-691. [PMID: 28183661 DOI: 10.1016/j.msec.2016.11.064] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 10/20/2016] [Accepted: 11/11/2016] [Indexed: 11/16/2022]
Abstract
Hydroxyapatite pellets, partially densified in a low-temperature heat treatment, were infiltrated with calcium nitrate solution followed by in-situ precipitation of Ca(OH)2 and CaCO3. The infiltrated bodies were then densified to high relative density and the calcium carbonate transformed to calcium oxide during sintering and resulted in biphasic hydroxyapatite-CaO ceramics. This work investigated the influence of the infiltration on surface morphology, weight change, and microstructural-level degradation caused by exposure to saline at pH=7.4 and a temperature of 20°C. The CaO rendered the materials more susceptible to degradation, and released calcium into the saline faster than single phase, calcium deficient hydroxyapatite (HA) that were used as a control. In consequence, these ceramics could be used to release calcium into the culture microenvironments of bone tissue or bone marrow cells next to a scaffold surface.
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Affiliation(s)
- Qinghao Zhang
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, 3700 O'hara Street, Pittsburgh, PA 15261, USA.
| | - Eva Schmelzer
- Department of Surgery, McGowan Institute for Regenerative Medicine, University of Pittsburgh, 3025 East Carson Street, Pittsburgh, PA 15203, USA
| | - Jörg C Gerlach
- Department of Surgery, McGowan Institute for Regenerative Medicine, University of Pittsburgh, 3025 East Carson Street, Pittsburgh, PA 15203, USA; Department of Bioengineering, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, 3700 O'hara Street, Pittsburgh, PA 15261, USA
| | - Ian Nettleship
- Department of Mechanical Engineering and Materials Science, University of Pittsburgh, 3700 O'hara Street, Pittsburgh, PA 15261, USA
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31
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Gupta P, Adhikary M, M JC, Kumar M, Bhardwaj N, Mandal BB. Biomimetic, Osteoconductive Non-mulberry Silk Fiber Reinforced Tricomposite Scaffolds for Bone Tissue Engineering. ACS APPLIED MATERIALS & INTERFACES 2016; 8:30797-30810. [PMID: 27783501 DOI: 10.1021/acsami.6b11366] [Citation(s) in RCA: 89] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Composite biomaterials as artificial bone graft materials are pushing the present frontiers of bioengineering. In this study, a biomimetic, osteoconductive tricomposite scaffold made of hydroxyapatite (HA) embedded in non-mulberry Antheraea assama (A. assama) silk fibroin fibers and its fibroin solution is explored for its osteogenic potential. Scaffolds were physico-chemically characterized for morphology, porosity, secondary structure conformation, water retention ability, biodegradability, and mechanical property. The results revealed a ∼5-fold increase in scaffold compressive modulus on addition of HA and silk fibers to liquid silk as compared to pure silk scaffolds while maintaining high scaffold porosity (∼90%) with slower degradation rates. X-ray diffraction (XRD) results confirmed deposition of HA crystals on composite scaffolds. Furthermore, the crystallite size of HA within scaffolds was strongly regulated by the intrinsic physical cues of silk fibroin. Fourier transform infrared (FTIR) spectroscopy studies indicated strong interactions between HA and silk fibroin. The fabricated tricomposite scaffolds supported enhanced cellular viability and function (ALP activity) for both MG63 osteosarcoma and human bone marrow stem cells (hBMSCs) as compared to pure silk scaffolds without fiber or HA addition. In addition, higher expression of osteogenic gene markers such as collagen I (Col-I), osteocalcin (OCN), osteopontin (OPN), and bone sialoprotein (BSP) further substantiated the applicability of HA composite silk scaffolds for bone related applications. Immunostaining studies confirmed localization of Col-I and BSP and were in agreement with real-time gene expression results. These findings demonstrate the osteogenic potential of developed biodegradable tricomposite scaffolds with the added advantage of the affordability of its components as bone graft substitute materials.
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Affiliation(s)
- Prerak Gupta
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati , Guwahati-781039, Assam, India
| | - Mimi Adhikary
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati , Guwahati-781039, Assam, India
| | - Joseph Christakiran M
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati , Guwahati-781039, Assam, India
| | - Manishekhar Kumar
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati , Guwahati-781039, Assam, India
| | - Nandana Bhardwaj
- Life Sciences Division, Institute of Advanced Study in Science and Technology (IASST) , Guwahati-781035, Assam, India
| | - Biman B Mandal
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati , Guwahati-781039, Assam, India
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32
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Iviglia G, Cassinelli C, Bollati D, Baino F, Torre E, Morra M, Vitale-Brovarone C. Engineered porous scaffolds for periprosthetic infection prevention. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 68:701-715. [DOI: 10.1016/j.msec.2016.06.050] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 05/26/2016] [Accepted: 06/13/2016] [Indexed: 01/13/2023]
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33
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Chen W, Tian B, Lei Y, Ke QF, Zhu ZA, Guo YP. Hydroxyapatite coatings with oriented nanoplate and nanorod arrays: Fabrication, morphology, cytocompatibility and osteogenic differentiation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 67:395-408. [DOI: 10.1016/j.msec.2016.04.106] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2015] [Revised: 03/28/2016] [Accepted: 04/27/2016] [Indexed: 11/30/2022]
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34
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Tian B, Chen W, Yu D, Lei Y, Ke Q, Guo Y, Zhu Z. Fabrication of silver nanoparticle-doped hydroxyapatite coatings with oriented block arrays for enhancing bactericidal effect and osteoinductivity. J Mech Behav Biomed Mater 2016; 61:345-359. [DOI: 10.1016/j.jmbbm.2016.04.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 03/30/2016] [Accepted: 04/01/2016] [Indexed: 12/24/2022]
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35
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Fernandes JS, Martins M, Neves NM, Fernandes MHV, Reis RL, Pires RA. Intrinsic Antibacterial Borosilicate Glasses for Bone Tissue Engineering Applications. ACS Biomater Sci Eng 2016; 2:1143-1150. [DOI: 10.1021/acsbiomaterials.6b00162] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- João S. Fernandes
- 3B’s
Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciência
e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco GMR, Portugal
- ICVS/3B’s
- PT Government Associate Laboratory, Braga/Guimarães, 4710-057 Portugal
| | - Margarida Martins
- 3B’s
Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciência
e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco GMR, Portugal
- ICVS/3B’s
- PT Government Associate Laboratory, Braga/Guimarães, 4710-057 Portugal
| | - Nuno M. Neves
- 3B’s
Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciência
e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco GMR, Portugal
- ICVS/3B’s
- PT Government Associate Laboratory, Braga/Guimarães, 4710-057 Portugal
| | - Maria H. V. Fernandes
- Materials
and Ceramic Engineering Department, CICECO − Aveiro Institute
of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rui L. Reis
- 3B’s
Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciência
e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco GMR, Portugal
- ICVS/3B’s
- PT Government Associate Laboratory, Braga/Guimarães, 4710-057 Portugal
| | - Ricardo A. Pires
- 3B’s
Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark-Parque de Ciência
e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco GMR, Portugal
- ICVS/3B’s
- PT Government Associate Laboratory, Braga/Guimarães, 4710-057 Portugal
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36
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Xie L, Yu H, Deng Y, Yang W, Liao L, Long Q. Preparation andin vitrodegradation study of the porous dual alpha/beta-tricalcium phosphate bioceramics. ACTA ACUST UNITED AC 2016. [DOI: 10.1179/1433075x15y.0000000079] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Affiliation(s)
- L. Xie
- State Key Laboratory of Oral Diseases, West China College of stomatology, Sichuan University, Chengdu 610065, China
| | - H. Yu
- State Key Laboratory of Oral Diseases, West China College of stomatology, Sichuan University, Chengdu 610065, China
| | - Y. Deng
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
- Center for Biomedical Materials and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - W. Yang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - L. Liao
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Q. Long
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
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37
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Sutlovic D, Boric I, Sliskovic L, Popovic M, Knezovic Z, Nikolic I, Vucinovic A, Vucinovic Z. Bone mineral density of skeletal remains: Discordant results between chemical analysis and DXA method. Leg Med (Tokyo) 2016; 20:18-22. [DOI: 10.1016/j.legalmed.2016.03.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 03/03/2016] [Accepted: 03/15/2016] [Indexed: 10/22/2022]
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38
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Prajatelistia E, Ju SW, Sanandiya ND, Jun SH, Ahn JS, Hwang DS. Tunicate-Inspired Gallic Acid/Metal Ion Complex for Instant and Efficient Treatment of Dentin Hypersensitivity. Adv Healthc Mater 2016; 5:919-27. [PMID: 26867019 DOI: 10.1002/adhm.201500878] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Revised: 01/07/2016] [Indexed: 12/30/2022]
Abstract
Dentin hypersensitivity is sharp and unpleasant pains caused by exposed dentinal tubules when enamel outside of the tooth wears away. The occlusion of dentinal tubules via in situ remineralization of hydroxyapatite is the best method to alleviate the symptoms caused by dentin hypersensitivity. Commercially available dental desensitizers are generally effective only on a specific area and are relatively toxic, and their performance usually depends on the skill of the clinician. Here, a facile and efficient dentin hypersensitivity treatment with remarkable aesthetic improvement inspired by the tunicate-self-healing process is reported. As pyrogallol groups in tunicate proteins conjugate with metal ions to heal the torn body armor of a tunicate, the ingenious mechanism by introducing gallic acid (GA) as a cheap, abundant, and edible alternative to the pyrogallol groups of the tunicate combined with a varied daily intake of metal ion sources is mimicked. In particular, the GA/Fe(3+) complex exhibits the most promising results, to the instant ≈52% blockage in tubules within 4 min and ≈87% after 7 d of immersion in artificial saliva. Overall, the GA/metal ion complex-mediated coating is facile, instant, and effective, and is suggested as an aesthetic solution for treating dentin hypersensitivity.
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Affiliation(s)
- Ekavianty Prajatelistia
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 790-784, South Korea
| | - Sung-Won Ju
- Dental Research Institute and Department of Biomaterials Science, School of Dentistry, Seoul National University, Seoul, 110-749, South Korea
| | - Naresh D Sanandiya
- Division of Integrative Bioscience and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, 790-784, South Korea
| | - Sang Ho Jun
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, Korea University Anam Hospital, Seoul, 136-705, South Korea
| | - Jin-Soo Ahn
- Dental Research Institute and Department of Biomaterials Science, School of Dentistry, Seoul National University, Seoul, 110-749, South Korea
| | - Dong Soo Hwang
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, Pohang, 790-784, South Korea
- Division of Integrative Bioscience and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, 790-784, South Korea
- School of Environmental Science and Engineering, Pohang University of Science and Technology (POSTECH), Pohang, 790-784, South Korea
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39
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Tian B, Chen W, Dong Y, Marymont JV, Lei Y, Ke Q, Guo Y, Zhu Z. Silver nanoparticle-loaded hydroxyapatite coating: structure, antibacterial properties, and capacity for osteogenic induction in vitro. RSC Adv 2016. [DOI: 10.1039/c5ra25391h] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AgNP-HAC has the potential to be used on the surfaces of orthopedic and dental implants for infection prophylaxis.
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Affiliation(s)
- Bo Tian
- Shanghai Key Laboratory of Orthopedic Implant
- Department of Orthopedic Surgery
- Shanghai Ninth People's Hospital
- Shanghai Jiao Tong University School of Medicine
- Shanghai 200011
| | - Wei Chen
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- China
| | - Yufeng Dong
- Department of Orthopaedic Surgery
- Louisiana State University Health Sciences Center
- Shreveport
- USA
| | - John V. Marymont
- Department of Orthopaedic Surgery
- Louisiana State University Health Sciences Center
- Shreveport
- USA
| | - Yong Lei
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- China
| | - Qinfei Ke
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- China
| | - Yaping Guo
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials
- Shanghai Normal University
- Shanghai 200234
- China
| | - Zhenan Zhu
- Shanghai Key Laboratory of Orthopedic Implant
- Department of Orthopedic Surgery
- Shanghai Ninth People's Hospital
- Shanghai Jiao Tong University School of Medicine
- Shanghai 200011
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40
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Geng Z, Cui Z, Li Z, Zhu S, Liang Y, Lu WW, Yang X. Synthesis, characterization and the formation mechanism of magnesium- and strontium-substituted hydroxyapatite. J Mater Chem B 2015; 3:3738-3746. [DOI: 10.1039/c4tb02148g] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The hydroxyapatite crystals grow in different ways when the calcium is substituted by strontium or magnesium.
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Affiliation(s)
- Zhen Geng
- School of Materials Science and Engineering
- Tianjin University
- Tianjin 300072
- China
| | - Zhenduo Cui
- School of Materials Science and Engineering
- Tianjin University
- Tianjin 300072
- China
| | - Zhaoyang Li
- School of Materials Science and Engineering
- Tianjin University
- Tianjin 300072
- China
- Tianjin Key Laboratory of Composite and Functional Materials
| | - Shengli Zhu
- School of Materials Science and Engineering
- Tianjin University
- Tianjin 300072
- China
- Tianjin Key Laboratory of Composite and Functional Materials
| | - Yanqin Liang
- School of Materials Science and Engineering
- Tianjin University
- Tianjin 300072
- China
| | - William Weijia Lu
- Department of Orthopaedics & Traumatology
- The University of Hong Kong
- Hong Kong
- China
| | - Xianjin Yang
- School of Materials Science and Engineering
- Tianjin University
- Tianjin 300072
- China
- Tianjin Key Laboratory of Composite and Functional Materials
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41
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He X, Liu Y, Yuan X, Lu L. Enhanced healing of rat calvarial defects with MSCs loaded on BMP-2 releasing chitosan/alginate/hydroxyapatite scaffolds. PLoS One 2014; 9:e104061. [PMID: 25084008 PMCID: PMC4118996 DOI: 10.1371/journal.pone.0104061] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Accepted: 07/08/2014] [Indexed: 02/05/2023] Open
Abstract
In this study, we designed a chitosan/alginate/hydroxyapatite scaffold as a carrier for recombinant BMP-2 (CAH/B2), and evaluated the release kinetics of BMP-2. We evaluated the effect of the CAH/B2 scaffold on the viability and differentiation of bone marrow mesenchymal stem cells (MSCs) by scanning electron microscopy, MTS, ALP assay, alizarin-red staining and qRT-PCR. Moreover, MSCs were seeded on scaffolds and used in a 8 mm rat calvarial defect model. New bone formation was assessed by radiology, hematoxylin and eosin staining 12 weeks postoperatively. We found the release kinetics of BMP-2 from the CAH/B2 scaffold were delayed compared with those from collagen gel, which is widely used for BMP-2 delivery. The BMP-2 released from the scaffold increased MSC differentiation and did not show any cytotoxicity. MSCs exhibited greater ALP activity as well as stronger calcium mineral deposition, and the bone-related markers Col1α, osteopontin, and osteocalcin were upregulated. Analysis of in vivo bone formation showed that the CAH/B2 scaffold induced more bone formation than other groups. This study demonstrates that CAH/B2 scaffolds might be useful for delivering osteogenic BMP-2 protein and present a promising bone regeneration strategy.
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Affiliation(s)
- Xiaoning He
- Department of Stomatology, the 4th Affiliated Hospital of China Medical University, Shenyang, Liaoning, China; Department of Oral Biology, The State University of New York at Buffalo, Buffalo, New York, United States of America
| | - Yang Liu
- Department of Stomatology, the 4th Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
| | - Xue Yuan
- Department of Oral Biology, The State University of New York at Buffalo, Buffalo, New York, United States of America
| | - Li Lu
- Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, Liaoning, China
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42
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Dorozhkin SV. Calcium Orthophosphate-Based Bioceramics. MATERIALS (BASEL, SWITZERLAND) 2013; 6:3840-3942. [PMID: 28788309 PMCID: PMC5452669 DOI: 10.3390/ma6093840] [Citation(s) in RCA: 102] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2013] [Revised: 08/07/2013] [Accepted: 08/19/2013] [Indexed: 02/07/2023]
Abstract
Various types of grafts have been traditionally used to restore damaged bones. In the late 1960s, a strong interest was raised in studying ceramics as potential bone grafts due to their biomechanical properties. A bit later, such synthetic biomaterials were called bioceramics. In principle, bioceramics can be prepared from diverse materials but this review is limited to calcium orthophosphate-based formulations only, which possess the specific advantages due to the chemical similarity to mammalian bones and teeth. During the past 40 years, there have been a number of important achievements in this field. Namely, after the initial development of bioceramics that was just tolerated in the physiological environment, an emphasis was shifted towards the formulations able to form direct chemical bonds with the adjacent bones. Afterwards, by the structural and compositional controls, it became possible to choose whether the calcium orthophosphate-based implants remain biologically stable once incorporated into the skeletal structure or whether they were resorbed over time. At the turn of the millennium, a new concept of regenerative bioceramics was developed and such formulations became an integrated part of the tissue engineering approach. Now calcium orthophosphate scaffolds are designed to induce bone formation and vascularization. These scaffolds are often porous and harbor different biomolecules and/or cells. Therefore, current biomedical applications of calcium orthophosphate bioceramics include bone augmentations, artificial bone grafts, maxillofacial reconstruction, spinal fusion, periodontal disease repairs and bone fillers after tumor surgery. Perspective future applications comprise drug delivery and tissue engineering purposes because calcium orthophosphates appear to be promising carriers of growth factors, bioactive peptides and various types of cells.
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43
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Guo DG, Hao YZ, Li HY, Fang CQ, Sun LJ, Zhu H, Wang J, Huang XF, Ni PF, Xu KW. Influences of Sr dose on the crystal structure parameters and Sr distributions of Sr-incorporated hydroxyapatite. J Biomed Mater Res B Appl Biomater 2013; 101:1275-83. [PMID: 23661409 DOI: 10.1002/jbmb.32940] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Revised: 02/22/2013] [Accepted: 02/25/2013] [Indexed: 11/07/2022]
Abstract
Stoichiometric strontium-incorporated hydroxyapatite (Sr-HA) with different Sr concentrations [Sr/(Sr+Ca)] were synthesized using a wet chemical approach and characterized by X-ray diffraction, Fourier-transformed infrared absorption, X-ray photoelectron spectroscopy, and Rietveld Structure Refinement. The crystal lattice parameter, Sr distribution, chemical state of Sr, and also the relationships between their variations and the Sr concentrations have been intensively studied. The results show that both the crystal lattice parameters and crystal plane space of Sr-HA remarkably increase with the Sr concentration increasing. Whether Sr preferably occupies the Ca(I) site or Ca(II) site after incorporated into apatite lattice depends on the Sr number incorporated into apatite. All the Sr ions completely occupy the Ca(II) sites when the Sr concentration is below 5%. With the exception of partial Sr ions occupying the Ca(II) sites, the other Sr ions start to occupy the Ca(I) sites when the Sr concentration doped in HA is beyond 10%. The ratio of Sr ions occupying the Ca(I) sites increases with the further raising Sr concentration up to 20%. The Sr ions inherit the chemical state and environment of the original Ca(I) or Ca(II) site after incorporated into apatite.
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Affiliation(s)
- D G Guo
- State Key Laboratory for Mechanical Behavior of Materials, School of Material Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
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44
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Sun F, Koh K, Ryu SC, Han DW, Lee J. Biocompatibility of Nanoscale Hydroxyapatite-embedded Chitosan Films. B KOREAN CHEM SOC 2012. [DOI: 10.5012/bkcs.2012.33.12.3950] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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45
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Cunha C, Sprio S, Panseri S, Dapporto M, Marcacci M, Tampieri A. High biocompatibility and improved osteogenic potential of novel Ca-P/titania composite scaffolds designed for regeneration of load-bearing segmental bone defects. J Biomed Mater Res A 2012; 101:1612-9. [PMID: 23172612 DOI: 10.1002/jbm.a.34479] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Revised: 09/28/2012] [Accepted: 10/04/2012] [Indexed: 11/07/2022]
Abstract
Regeneration of load-bearing bone segments is still an open challenge due to the lack of biomaterials mimicking natural bone with a suitable chemicophysical and mechanical performance. This study proposes ceramic bone scaffolds made of β-tricalcium phosphate (β-TCP) and titania (TiO2 ), developed from hydroxyapatite (HA) and TiO2 starting nanopowders, which exhibit high and interconnected macroporosity (>70 vol %). The scaffold composition was designed to achieve a synergistic effect of bioactivity/resorbability and mechanical properties suitable for load-bearing regenerative applications. The analysis of the morphology, structure, and mechanical strength of the scaffolds resulted in compression strength nearly twice that of commercially available HA bone grafts with similar structure (Engipore(®)). Biological characterization was carried out for human MG-63 osteoblast-like cells proliferation, activity, attachment, and viability. β-TCP/TiO2 scaffolds show high proliferation rate, high viability, and high colonization rates. Moreover, an increased activity of the osteogenic marker alkaline phosphatase (ALP) was found. These results demonstrate that β-TCP/TiO2 scaffolds have good potential as osteogenically active load-bearing scaffolds; moreover, given the high and interconnected macroporosity as well as the resorbability properties of β-TCP, these scaffolds may enhance in vivo osteointegration and promote the formation of new organized bone, thus resulting in very promising biomimetic scaffolds for long bone regeneration.
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Affiliation(s)
- Carla Cunha
- Laboratory of Bioceramics and Bio-hybrid Composites, Institute of Science and Technology for Ceramics, National Research Council, Faenza 48018, Italy.
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46
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Vlad MD, Gómez S, Barracó M, López J, Fernández E. Effect of the calcium to phosphorus ratio on the setting properties of calcium phosphate bone cements. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2012; 23:2081-2090. [PMID: 22639154 DOI: 10.1007/s10856-012-4686-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2012] [Accepted: 05/16/2012] [Indexed: 06/01/2023]
Abstract
α-Tricalcium phosphate (α-TCP) has become the main reactant of most experimental and commercial ceramic bone cements. It has calcium-to-phosphorus (Ca/P) ratio of 1.50. The present study expands and reports on the microstructures and mechanical properties of calcium phosphate (CP) cements containing sintered monolithic reactants obtained in the interval 1.29 < Ca/P < 1.77. The study focuses on their cement setting and hardening properties as well as on their microstructure and crystal phase evolution. The results showed that: (a) CP-cements made with reactants with Ca/P ratio other than 1.50 have longer setting and lower hardening properties; (b) CP-cements reactivity was clearly affected by the Ca/P ratio of the starting reactant; (c) reactants with Ca/P < 1.50 were composed of several phases, calcium pyrophosphate and α- and β-TCP. Similarly, reactants with Ca/P > 1.50 were composed of α-TCP, tetracalcium phosphate and hydroxyapatite; (d) only the reactant with Ca/P = 1.50 was monophasic and was made of α-TCP, which transformed during the setting into calcium deficient hydroxyapatite; (e) CP-cements developed different crystal microstructures with specific features depending on the Ca/P ratio of the starting reactant.
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Affiliation(s)
- M D Vlad
- Interdepartment Research Group for the Applied Scientific Collaboration (IRGASC), Division of Biomaterials & Bioengineering, Technical University of Catalonia (UPC), Avda. Diagonal 647, 08028, Barcelona, Spain
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Wu F, Ngothai Y, Wei J, Liu C, O’Neill B, Wu Y. Premixed, injectable PLA-modified calcium deficient apatite biocement (cd-AB) with washout resistance. Colloids Surf B Biointerfaces 2012; 92:113-20. [DOI: 10.1016/j.colsurfb.2011.11.037] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2011] [Revised: 11/15/2011] [Accepted: 11/15/2011] [Indexed: 10/14/2022]
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48
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Integrative design of a poly(ethylene glycol)-poly(propylene glycol)-alginate hydrogel to control three dimensional biomineralization. Biomaterials 2011; 32:2695-703. [PMID: 21262532 DOI: 10.1016/j.biomaterials.2010.12.038] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2010] [Accepted: 12/26/2010] [Indexed: 11/23/2022]
Abstract
A mineralized polymeric matrix has been extensively studied to understand biomineralization processes and to further regulate phenotypic functions of various cells involved in osteogenesis and physiological homeostasis. It has been often proposed that several matrix variables including charge density, hydrophobicity, and pore size play vital roles in modulating composition and morphology of minerals formed within a three dimensional (3D) matrix. However, the aspects have not yet been systematically examined because a tool enabling the independent control of the matrix variables is lacking. This study presents an advanced integrative strategy to control morphology and composition of biominerals with matrix properties, by using a hydrogel formulated to independently control charge density, hydrophobicity, and porosity. The hydrogel consists of poly(ethylene glycol) monomethacrylate (PEGmM), poly(propylene glycol) monomethacrylate (PPGmM), and methacrylic alginate (MA), so the charge density and hydrophobicity of the hydrogel can be separately controlled with mass fractions of MA and PPGmM. Also, hydrogels which present only nano-sized pores, termed nanoporous hydrogels, are lyophilized and rehydrated to prepare the hydrogels containing micro-sized pores, termed microporous hydrogels. We find that increasing the mass fractions of MA and PPGmM of the microporous hydrogel promotes the growth of apatite layers because of the increases in the charge density, hydrophobicity and pore size. In contrast, increasing mass fractions of MA and PPGmM of the nanoporous hydrogel enhances the formation of calcium carbonate minerals. The dependency of the mineralization on hydrogel variables is related to the change in supersaturation of mineral ions. Overall, the results of this study will be highly useful to better understand the interplay of matrix variables in biomineralization and to design a wide array of mineralized matrix potentially used in cell therapies and tissue engineering.
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Advanced Biomimetic Implants Based on Nanostructured Coatings Synthesized by Pulsed Laser Technologies. LASER-SURFACE INTERACTIONS FOR NEW MATERIALS PRODUCTION 2010. [DOI: 10.1007/978-3-642-03307-0_10] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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50
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Chesnutt BM, Yuan Y, Buddington K, Haggard WO, Bumgardner JD. Composite chitosan/nano-hydroxyapatite scaffolds induce osteocalcin production by osteoblasts in vitro and support bone formation in vivo. Tissue Eng Part A 2009; 15:2571-9. [PMID: 19309240 DOI: 10.1089/ten.tea.2008.0054] [Citation(s) in RCA: 119] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
There is a significant clinical need to develop alternatives to autografts and allografts for bone grafting procedures. Porous, biodegradable scaffolds based on the biopolymer chitosan have been investigated as bone graft substitutes, and the addition of calcium phosphate to these scaffolds has been shown to improve the mechanical properties of the scaffold and may increase osteoconductivity. In this study, in vitro mineralization was examined for osteoblasts seeded in a porous scaffold composed of fused chitosan/nano-hydroxyapatite microspheres. Human fetal osteoblasts were cultured on composite and chitosan scaffolds for 21 days. On days 1, 4, 7, 14, and 21, total dsDNA, alkaline phosphatase, type I collagen, and osteocalcin production were measured. Total cellularity (measured by dsDNA), alkaline phosphatase, and type I collagen production were similar between the two scaffold groups. However, osteocalcin production occurred significantly earlier (day 7 vs. day 21) and was more than three times greater (0.0022 vs. 0.0068 ng/mL/ng DNA) on day 21 when osteoblasts were cultured on composite scaffolds. Osteocalcin is a marker of late osteoblastic differentiation and mineralized bone matrix formation. Therefore, the increase in osteocalcin production seen when cells were cultured on composite scaffolds may indicate that these scaffolds were superior to chitosan-only scaffolds in facilitating osteoblast mineralization. Composite scaffolds were also shown to be biocompatible and osteoconductive in a preliminary critical size rat calvarial defect study. These results demonstrate the potential of composite chitosan/nano-hydroxyapatite scaffolds to be used in bone tissue engineering.
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Affiliation(s)
- Betsy M Chesnutt
- Department of Biomedical Engineering, University of Memphis, Memphis, Tennessee 38152, USA
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