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Mondragón E, Cowdin M, Taraballi F, Minardi S, Tasciotti E, Gregory CA, Kaunas R. Mimicking the Organic and Inorganic Composition of Anabolic Bone Enhances Human Mesenchymal Stem Cell Osteoinduction and Scaffold Mechanical Properties. Front Bioeng Biotechnol 2020; 8:753. [PMID: 32719790 PMCID: PMC7347795 DOI: 10.3389/fbioe.2020.00753] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 06/12/2020] [Indexed: 12/20/2022] Open
Abstract
Engineered bone graft designs have been largely inspired by adult bone despite functionally significant differences from the composition of anabolic bone in both the mineralized and non-mineralized fractions. Specifically, anabolic bone contains hydroxyapatite with ionic substitutions that facilitate bone turnover and relatively rare collagens type VI and XII that are important for normal bone development. In this work, human mesenchymal stem cells (hMSCs) were cultured in lyophilized collagen type I scaffolds mineralized with hydroxyapatite containing Mg2+ substitutions, then induced to deposit an extracellular matrix (ECM) containing collagens VI and XII by exposure to GW9662, a PPARγ inhibitor. Delivery of GW9662 was accomplished through either Supplemented Media or via composite microspheres embedded in the scaffolds for localized delivery. Furthermore, hMSCs and scaffolds were cultured in both static and perfuse conditions to investigate the interaction between GW9662 treatment and perfusion and their effects on ECM deposition trends. Perfusion culture enhanced cell infiltration into the scaffold, deposition of collagen VI and XII, as well as osteogenic differentiation, as determined by gene expression of osteopontin, BMP2, and ALP. Furthermore, scaffold mineral density and compressive modulus were increased in response to both GW9662 treatment and perfusion after 3 weeks of culture. Local delivery of GW9662 with drug-eluting microspheres had comparable effects to systemic delivery in the perfusate. Together, these results demonstrate a strategy to create a scaffold mimicking both organic and inorganic characteristics of anabolic bone and its potential as a bone graft.
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Affiliation(s)
- Eli Mondragón
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
| | - Mitzy Cowdin
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
| | - Francesca Taraballi
- Center for Musculoskeletal Regeneration, Houston Methodist, Houston, TX, United States
| | - Silvia Minardi
- Center for Musculoskeletal Regeneration, Houston Methodist, Houston, TX, United States
| | - Ennio Tasciotti
- Center for Musculoskeletal Regeneration, Houston Methodist, Houston, TX, United States
| | - Carl A Gregory
- Department of Molecular and Cellular Medicine, Texas A&M Health Science Center, College Station, TX, United States
| | - Roland Kaunas
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, United States
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Assessment of the Release of Vascular Endothelial Growth Factor from 3D-Printed Poly-ε-Caprolactone/Hydroxyapatite/Calcium Sulfate Scaffold with Enhanced Osteogenic Capacity. Polymers (Basel) 2020; 12:polym12071455. [PMID: 32610580 PMCID: PMC7408109 DOI: 10.3390/polym12071455] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 06/20/2020] [Accepted: 06/23/2020] [Indexed: 12/11/2022] Open
Abstract
Vascular endothelial growth factor (VEGF) is one of the most crucial growth factors and an assistant for the adjustment of bone regeneration. In this study, a 3D scaffold is fabricated using the method of fused deposition modeling. Such a fabricated method allows us to fabricate scaffolds with consistent pore sizes, which could promote cellular ingrowth into scaffolds. Therefore, we drafted a plan to accelerate bone regeneration via VEGF released from the hydroxyapatite/calcium sulfate (HACS) scaffold. Herein, HACS will gradually degrade and provide a suitable environment for cell growth and differentiation. In addition, HACS scaffolds have higher mechanical properties and drug release compared with HA scaffolds. The drug release profile of the VEGF-loaded scaffolds showed that VEGF could be loaded and released in a stable manner. Furthermore, initial results showed that VEGF-loaded scaffolds could significantly enhance the proliferation of human mesenchymal stem cells (hMSCs) and human umbilical vein endothelial cells (HUVEC). In addition, angiogenic- and osteogenic-related proteins were substantially increased in the HACS/VEGF group. Moreover, in vivo results revealed that HACS/VEGF improved the regeneration of the rabbit’s femur bone defect, and VEGF loading improved bone tissue regeneration and remineralization after implantation for 8 weeks. All these results strongly imply that the strategy of VEGF loading onto scaffolds could be a potential candidate for future bone tissue engineering.
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Bigham A, Aghajanian AH, Saudi A, Rafienia M. Hierarchical porous Mg 2SiO 4-CoFe 2O 4 nanomagnetic scaffold for bone cancer therapy and regeneration: Surface modification and in vitro studies. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 109:110579. [PMID: 32228948 DOI: 10.1016/j.msec.2019.110579] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 11/30/2019] [Accepted: 12/19/2019] [Indexed: 01/01/2023]
Abstract
3D multifunctional bone scaffolds have recently attracted more attention in bone tissue engineering because of addressing critical issues like bone cancer and inflammation beside bone regeneration. In this study, a 3D bone scaffold is fabricated from Mg2SiO4-CoFe2O4 nanocomposite which is synthesized via a two-step synthesis strategy and then the scaffold's surface is modified with poly-3-hydroxybutyrate (P3HB)-ordered mesoporous magnesium silicate (OMMS) composite to improve its physicochemical and biological properties. The Mg2SiO4-CoFe2O4 scaffold is fabricated through polymer sponge technique and the scaffold exhibits an interconnected porous structure in the range of 100-600 μm. The scaffold is then coated with OMMS/P3HB composite via dip coating and the physical, chemical, and biological-related properties of OMMS/P3HB composite-coated scaffold are assessed and compared to the non-coated and P3HB-coated scaffolds in vitro. It is found that, on the one hand, P3HB increases the cell attachment, proliferation, and compressive strength of the scaffold, but on the other hand, it weakens the bioactivity kinetic. Addition of OMMS to the coating composition is accompanied with significant increase in bioactivity kinetic. Besides, OMMS/P3HB composite-coated scaffold exhibits higher drug loading capacity and more controlled release manner up to 240 h than the other samples because of OMMS which has a high surface area and ordered mesoporous structure suitable for controlled release applications. The overall results indicate that OMMS/P3HB coating on Mg2SiO4-CoFe2O4 scaffold leads to a great improvement in bioactivity, drug delivery potential, compressive strength, cell viability, and proliferation. Moreover, OMMS/P3HB composite-coated scaffold has heat generation capability for hyperthermia-based bone cancer therapy and so it is suggested as a multifunctional scaffold with great potentials for bone cancer therapy and regeneration.
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Affiliation(s)
- Ashkan Bigham
- Advanced Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
| | - Amir Hamed Aghajanian
- Department of Materials Engineering, Faculty of Engineering, Razi University, Kermanshah, Iran
| | - Ahmad Saudi
- Student Research Committee, School of Advanced Medical Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Rafienia
- Biosensor Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
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Improved accumulation of TGF-β by photopolymerized chitosan/silk protein bio-hydrogel matrix to improve differentiations of mesenchymal stem cells in articular cartilage tissue regeneration. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2019; 203:111744. [PMID: 31887637 DOI: 10.1016/j.jphotobiol.2019.111744] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 12/10/2019] [Accepted: 12/12/2019] [Indexed: 01/04/2023]
Abstract
Articular cartilage regeneration is a challenging process due to its inadequate ability of self-recovering biological mechanisms. The progresses of cartilage tissue engineering is supported to overwhelmed the repairing difficulties and degenerative diseases. The main goal of the present study is to design biomaterials with suitable physico-chemical, mechanical and biological properties for the carrier of growth factor and improving differentiation of mesenchymal stem cell into damaged cartilage tissues. Herein, TGF-β loaded hydrogel network was prepared through the chemical interactions between vinyl group of natural polymers. Fourier-transform infrared spectroscopy results show the characteristic peaks at 3074 cm-1, 1713 cm-1, and 810 cm-1, which confirm the existence of the vinyl group and successful formation of maleoyl functionalized Chitosan (MCh). The obtained MCh was freely dissolved in the distilled water up to 8% (w/v). X-ray photoelectron spectroscopy survey spectral results show a peak at 289.0 eV which revealed that the OCO and DS were 1.2% and also evidenced the methacryl substitution of Silk fibroin (SF) nanoformulations. The weight loss and mechanical test were analyzed and the results showed that MSF acts as a foremost crosslinking point with MCh through the reaction between the methacrylate groups of MSF and maleoyl groups of MCh which led to enhancing the density and improved the compressive strength. The maximum drug release activity was recorded in the TGF-β loaded MCh@MSF hydrogel compared to bare MCh hydrogel. Further, the TGF-β loaded MCh@ MSF hydrogel exhibited the cell viability percentage nearly at 79-102% for MC3T3-E1 and 88-104% for BMDSCs. Similarly, the TGF-β loaded MCh@MSF exhibited the highest inhibitory activity against E. coli (83%) than S. aureus (67%). Overall, this study concluded the TGF-β loaded MCh@MSF showed better biocompatibility and could be utilized in the field of cartilage tissue engineering.
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Pankongadisak P, Suwantong O. Enhanced properties of injectable chitosan-based thermogelling hydrogels by silk fibroin and longan seed extract for bone tissue engineering. Int J Biol Macromol 2019; 138:412-424. [DOI: 10.1016/j.ijbiomac.2019.07.100] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 07/13/2019] [Accepted: 07/16/2019] [Indexed: 11/26/2022]
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Mouriño V, Vidotto R, Cattalini J, Boccaccini A. Enhancing biological activity of bioactive glass scaffolds by inorganic ion delivery for bone tissue engineering. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2019. [DOI: 10.1016/j.cobme.2019.02.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Minardi S, Taraballi F, Cabrera FJ, Van Eps J, Wang X, Gazze SA, Fernandez-Mourev JS, Tampieri A, Francis L, Weiner BK, Tasciotti E. Biomimetic hydroxyapatite/collagen composite drives bone niche recapitulation in a rabbit orthotopic model. Mater Today Bio 2019; 2:100005. [PMID: 32159142 PMCID: PMC7061691 DOI: 10.1016/j.mtbio.2019.100005] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 04/02/2019] [Accepted: 04/14/2019] [Indexed: 02/06/2023] Open
Abstract
Synthetic osteoinductive materials that mimic the human osteogenic niche have emerged as ideal candidates to address this area of unmet clinical need. In this study, we evaluated the osteoinductive potential in a rabbit orthotopic model of a magnesium-doped hydroxyapatite/type I collagen (MHA/Coll) composite. The composite was fabricated to exhibit a highly fibrous structure of carbonated MHA with 70% (±2.1) porosity and a Ca/P ratio of 1.5 (±0.03) as well as a diverse range of elasticity separated to two distinct stiffness peaks of low (2.35 ± 1.16 MPa) and higher (9.52 ± 2.10 MPa) Young's Modulus. Data suggested that these specific compositional and nanomechanical material properties induced the deposition of de novo mineral phase, while modulating the expression of early and late osteogenic marker genes, in a 3D in vitro model using human bone marrow-derived mesenchymal stem cells (hBM-MSCs). When tested in the rabbit orthotopic model, MHA/Col1 scaffold induction of new trabecular bone mass was observed by DynaCT scan, only 2 weeks after implantation. Bone histomorphometry at 6 weeks revealed a significant amount of de novo bone matrix formation. qPCR demonstrated MHA/Coll scaffold full cellularization in vivo and the expression of both osteogenesis-associated genes (Spp1, Sparc, Col1a1, Runx2, Dlx5) as well as hematopoietic (Vcam1, Cd38, Sele, Kdr) and bone marrow stromal cell marker genes (Vim, Itgb1, Alcam). Altogether, these data provide evidence of the solid osteoinductive potential of MHA/Coll and its suitability for multiple approaches of bone regeneration.
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Affiliation(s)
- S Minardi
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA.,National Research Council of Italy, Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, 48018 Faenza, RA Italy.,Center for Biomimetic Medicine, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA
| | - F Taraballi
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA.,Houston Methodist Orthopedic and Sports Medicine, 6565 Fannin Street, Houston, TX 77030, USA
| | - F J Cabrera
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA
| | - J Van Eps
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA
| | - X Wang
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA
| | - S A Gazze
- Reproductive Biology and Gynaecological Oncology Group, Swansea University Medical School, Singleton Park, Swansea SA2 8PP, UK
| | - Joseph S Fernandez-Mourev
- Center for Biomimetic Medicine, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA.,Department of Surgery, Houston Methodist Hospital, 6565 Fannin St., Suite 1660, Houston, TX 77030, USA
| | - A Tampieri
- National Research Council of Italy, Institute of Science and Technology for Ceramics (ISTEC-CNR), Via Granarolo 64, 48018 Faenza, RA Italy
| | - L Francis
- Reproductive Biology and Gynaecological Oncology Group, Swansea University Medical School, Singleton Park, Swansea SA2 8PP, UK
| | - B K Weiner
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA.,Houston Methodist Orthopedic and Sports Medicine, 6565 Fannin Street, Houston, TX 77030, USA
| | - E Tasciotti
- Center for Musculoskeletal Regeneration, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA.,Houston Methodist Orthopedic and Sports Medicine, 6565 Fannin Street, Houston, TX 77030, USA.,Center for Biomimetic Medicine, Houston Methodist Research Institute (HMRI), 6670 Bertner Ave. Houston, TX 77030, USA
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Kang YG, Wei J, Shin JW, Wu YR, Su J, Park YS, Shin JW. Enhanced biocompatibility and osteogenic potential of mesoporous magnesium silicate/polycaprolactone/wheat protein composite scaffolds. Int J Nanomedicine 2018; 13:1107-1117. [PMID: 29520139 PMCID: PMC5833793 DOI: 10.2147/ijn.s157921] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Successful bone tissue engineering using scaffolds is primarily dependent on the properties of the scaffold, including biocompatibility, highly interconnected porosity, and mechanical integrity. METHODS In this study, we propose new composite scaffolds consisting of mesoporous magnesium silicate (m_MS), polycaprolactone (PCL), and wheat protein (WP) manufactured by a rapid prototyping technique to provide a micro/macro porous structure. Experimental groups were set based on the component ratio: (1) WP0% (m_MS:PCL:WP =30:70:0 weight per weight; w/w); (2) WP15% (m_MS:PCL:WP =30:55:15 w/w); (3) WP30% (m_MS:PCL:WP =30:40:30 w/w). RESULTS Evaluation of the properties of fabricated scaffolds indicated that increasing the amount of WP improved the surface hydrophilicity and biodegradability of m_MS/PCL/WP composites, while reducing the mechanical strength. Moreover, experiments were performed to confirm the biocompatibility and osteogenic differentiation of human mesenchymal stem cells (MSCs) according to the component ratio of the scaffold. The results confirmed that the content of WP affects proliferation and osteogenic differentiation of MSCs. Based on the last day of the experiment, ie, the 14th day, the proliferation based on the amount of DNA was the best in the WP30% group, but all of the markers measured by PCR were the most expressed in the WP15% group. CONCLUSION These results suggest that the m_MS/PCL/WP composite is a promising candidate for use as a scaffold in cell-based bone regeneration.
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Affiliation(s)
- Yun Gyeong Kang
- School of Biomedical Engineering, Inje University, Gimhae, Republic of Korea
| | - Jie Wei
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, China
| | - Ji Won Shin
- School of Biomedical Engineering, Inje University, Gimhae, Republic of Korea
| | - Yan Ru Wu
- Department of Health Science and Technology, Inje University, Gimhae, Republic of Korea
| | - Jiacan Su
- Department of Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, China
| | - Young Shik Park
- School of Biological Science, Inje University, Gimhae, Republic of Korea
| | - Jung-Woog Shin
- School of Biomedical Engineering, Inje University, Gimhae, Republic of Korea
- Department of Health Science and Technology, Inje University, Gimhae, Republic of Korea
- Cardiovascular and Metabolic Disease Center/Institute of Aged Life Redesign/UHARC, Inje University, Gimhae, Republic of Korea
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Guo J, Li Y, Lu H, Li Y, Li X, Qin L, Dong G. PCEC hydrogel used on sustained-release hyaluronic acid delivery with lubrication effect. J Appl Polym Sci 2018. [DOI: 10.1002/app.46228] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Junde Guo
- Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an Shaanxi 710049 China
| | - Yue Li
- Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an Shaanxi 710049 China
| | - Hailin Lu
- Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an Shaanxi 710049 China
| | - Yu Li
- Department of Applied Chemistry; School of Science Xi'an Jiaotong University; Xi'an Shaanxi 710049 China
| | - Xing Li
- Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an Shaanxi 710049 China
| | - Liguo Qin
- Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an Shaanxi 710049 China
| | - Guangneng Dong
- Key Laboratory of Education Ministry for Modern Design and Rotor-Bearing System, School of Mechanical Engineering; Xi'an Jiaotong University; Xi'an Shaanxi 710049 China
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Hu J, Fu S, Peng Q, Han Y, Xie J, Zan N, Chen Y, Fan J. Paclitaxel-loaded polymeric nanoparticles combined with chronomodulated chemotherapy on lung cancer: In vitro and in vivo evaluation. Int J Pharm 2017; 516:313-322. [DOI: 10.1016/j.ijpharm.2016.11.047] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 11/11/2016] [Accepted: 11/20/2016] [Indexed: 02/01/2023]
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Hou J, Fan D, Zhao L, Yu B, Su J, Wei J, Shin JW. Degradability, cytocompatibility, and osteogenesis of porous scaffolds of nanobredigite and PCL-PEG-PCL composite. Int J Nanomedicine 2016; 11:3545-55. [PMID: 27555774 PMCID: PMC4970449 DOI: 10.2147/ijn.s97063] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Biocomposite scaffolds were fabricated by incorporation of nanobredigite (n-BD) into the polymer of poly(ε-caprolactone)-poly(ethyleneglycol)-poly(ε-caprolactone) (PCL-PEG-PCL). The results revealed that the addition of n-BD into PCL-PEG-PCL significantly improved water absorption, compressive strength, and degradability of the scaffolds of n-BD/PCL-PEG-PCL composite (n-BPC) compared with PCL-PEG-PCL scaffolds alone. In addition, the proliferation and alkaline phosphatase activity of MG63 cells cultured on n-BPC scaffolds were obviously higher than that cultured on PCL-PEG-PCL scaffolds. Moreover, the results of the histological evaluation from the animal model revealed that the n-BPC scaffolds significantly improved new bone formation compared with the PCL-PEG-PCL scaffolds, indicating good osteogenesis. The n-BPC scaffolds with good biocompatibility could stimulate cell proliferation, differentiation, and bone tissue regeneration and would be an excellent candidate for bone defect repair.
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Affiliation(s)
- Jun Hou
- The First Affiliated Hospital of Anhui Medical University, Department of Oral and Maxillofacial Surgery, Hefei
| | - Donghui Fan
- Key Laboratory for Ultrafine Materials of Ministry of Education and The State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai
| | - Lingming Zhao
- Key Laboratory for Ultrafine Materials of Ministry of Education and The State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai
| | - Baoqin Yu
- Department of Orthopaedics Trauma, Changhai Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Jiacan Su
- Department of Orthopaedics Trauma, Changhai Hospital, Second Military Medical University, Shanghai, People's Republic of China
| | - Jie Wei
- Key Laboratory for Ultrafine Materials of Ministry of Education and The State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai
| | - Jung-Woog Shin
- Department of Biomedical Engineering, Inje University, Gimhae, Republic of Korea
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Uppstu P, Paakki C, Rosling A. In vitro hydrolysis and magnesium release of poly(d,l-lactide-co-glycolide)-based composites containing bioresorbable glasses and magnesium hydroxide. J Appl Polym Sci 2015. [DOI: 10.1002/app.42646] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Peter Uppstu
- Laboratory of Polymer Technology; Centre of Excellence in Functional Materials at Biological Interfaces; Åbo Akademi University; Biskopsgatan 8 FI-20500 Åbo Finland
| | - Charlotta Paakki
- Laboratory of Polymer Technology; Centre of Excellence in Functional Materials at Biological Interfaces; Åbo Akademi University; Biskopsgatan 8 FI-20500 Åbo Finland
| | - Ari Rosling
- Laboratory of Polymer Technology; Centre of Excellence in Functional Materials at Biological Interfaces; Åbo Akademi University; Biskopsgatan 8 FI-20500 Åbo Finland
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Li Y, Chen SK, Li L, Qin L, Wang XL, Lai YX. Bone defect animal models for testing efficacy of bone substitute biomaterials. J Orthop Translat 2015; 3:95-104. [PMID: 30035046 PMCID: PMC5982383 DOI: 10.1016/j.jot.2015.05.002] [Citation(s) in RCA: 197] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Revised: 05/21/2015] [Accepted: 05/21/2015] [Indexed: 12/25/2022] Open
Abstract
Large bone defects are serious complications that are most commonly caused by extensive trauma, tumour, infection, or congenital musculoskeletal disorders. If nonunion occurs, implantation for repairing bone defects with biomaterials developed as a defect filler, which can promote bone regeneration, is essential. In order to evaluate biomaterials to be developed as bone substitutes for bone defect repair, it is essential to establish clinically relevant in vitro and in vivo testing models for investigating their biocompatibility, mechanical properties, degradation, and interactional with culture medium or host tissues. The results of the in vitro experiment contribute significantly to the evaluation of direct cell response to the substitute biomaterial, and the in vivo tests constitute a step midway between in vitro tests and human clinical trials. Therefore, it is essential to develop or adopt a suitable in vivo bone defect animal model for testing bone substitutes for defect repair. This review aimed at introducing and discussing the most available and commonly used bone defect animal models for testing specific substitute biomaterials. Additionally, we reviewed surgical protocols for establishing relevant preclinical bone defect models with various animal species and the evaluation methodologies of the bone regeneration process after the implantation of bone substitute biomaterials. This review provides an important reference for preclinical studies in translational orthopaedics.
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Affiliation(s)
- Ye Li
- Centre for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen, China
| | - Shu-Kui Chen
- Centre for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Long Li
- Centre for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Ling Qin
- Centre for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Xin-Luan Wang
- Centre for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,Musculoskeletal Research Laboratory, Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Yu-Xiao Lai
- Centre for Translational Medicine Research and Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.,State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
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