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Li Q, Ma C, Jing Y, Liu X. Multifunctional Nanofibrous Hollow Microspheres for Enhanced Periodontal Bone Regeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2402335. [PMID: 38757666 PMCID: PMC11267322 DOI: 10.1002/advs.202402335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/23/2024] [Indexed: 05/18/2024]
Abstract
Destructive periodontitis destroys alveolar bone and eventually leads to tooth loss. While guided bone regeneration, which is based on creating a physical barrier to hinder the infiltration of epithelial and connective tissues into defect sites, has been widely used for alveolar bone regeneration, its outcomes remain variable. In this work, a multifunctional nanofibrous hollow microsphere (NFHMS) is developed for enhanced alveolar bone regeneration. The NFHMS is first prepared via combining a double emulsification and a thermally induced phase separation process. Next, E7, a short peptide with high specific affinity to bone marrow-derived stem cells (BMSCs), is conjugated onto the surface of NFHMS. After that, bone forming peptide (BFP), a short peptide derived from bone morphology protein 7 is loaded in calcium phosphate (CaP) nanoparticles, which are further encapsulated in the hollow space of the NFHMS-E7 to form NFHMS-E7-CaP/BFP. The NFHMS-E7-CaP/BFP selectively promoted the adhesion of BMSCs and expelled the adhesion of fibroblasts and epithelial cells. In addition, the BFP is sustainedly released from the NFHMS-E7-CaP/BFP to enhance the osteogenesis of BMSCs. A rat challenging fenestration defect model showed that the NFHMS-E7-CaP/BFP significantly enhanced alveolar bone tissue regeneration. This work provides a novel bioengineering approach for guided bone regeneration.
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Affiliation(s)
- Qian Li
- Department of Biomedical SciencesTexas A&M University School of DentistryDallasTX75246USA
- Chemical and Biomedical Engineering DepartmentUniversity of MissouriColumbiaMO65211USA
| | - Chi Ma
- Department of Biomedical SciencesTexas A&M University School of DentistryDallasTX75246USA
- Center of Excellence in HipScottish Rite for ChildrenDallasTX75219USA
- Department of Orthopedic SurgeryUniversity of Texas Southwestern Medical CenterDallasTX75390USA
| | - Yan Jing
- Department of OrthodonticsTexas A&M University School of DentistryDallasTX75246USA
| | - Xiaohua Liu
- Department of Biomedical SciencesTexas A&M University School of DentistryDallasTX75246USA
- Chemical and Biomedical Engineering DepartmentUniversity of MissouriColumbiaMO65211USA
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2
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Lee SJ, Nah H, Ko WK, Lee D, Moon HJ, Lee JS, Heo M, Hwang YS, Bang JB, An SH, Heo DN, Kwon IK. Facile Preparation of β-Cyclodextrin-grafted Chitosan Electrospun Nanofibrous Scaffolds as a Hydrophobic Drug Delivery Vehicle for Tissue Engineering Applications. ACS OMEGA 2021; 6:28307-28315. [PMID: 34723027 PMCID: PMC8552460 DOI: 10.1021/acsomega.1c04481] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 09/24/2021] [Indexed: 05/05/2023]
Abstract
Despite advances in the bio-tissue engineering area, the technical basis to directly load hydrophobic drugs on chitosan (CTS) electrospun nanofibers (ENs) has not yet been fully established. In this study, we fabricated CTS ENs by using an electrospinning (ELSP) system, followed by surface modification using succinyl-beta-cyclodextrin (β-CD) under mild conditions. The β-CD-modified CTS (βCTS) ENs had slightly increased hydrophobicity compared to pristine CTS ENs as well as decreased residual amine content on the surface. Through FTIR spectroscopy and thermogravimetric analysis (TGA), we characterized the surface treatment physiochemically. In the drug release test, we demonstrated the stable and sustained release of a hydrophobic drug (e.g., dexamethasone) loaded on β-CD ENs. During in vitro biocompatibility assessments, the grafting of β-CD was shown to not reduce cell viability compared to pristine CTS ENs. Additionally, cells proliferated well on β-CD ENs, and this was confirmed by F-actin fluorescence staining. Overall, the material and strategies developed in this study have the potential to load a wide array of hydrophobic drugs. This could be applied as a drug carrier for a broad range of tissue engineering applications.
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Affiliation(s)
- Sang Jin Lee
- Department
of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Haram Nah
- Department
of Dentistry, Graduate School, Kyung Hee
University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Wan-Kyu Ko
- Department
of Neurosurgery, CHA University, CHA Bundang
Medical Center, Gyeonggi-do 13496, Republic of Korea
| | - Donghyun Lee
- Laboratory
Animal Center, Daegu-Gyeongbuk Medical Innovation
Foundation (DGMIF), Daegu 41061, Republic of Korea
| | - Ho-Jin Moon
- Department
of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Jae Seo Lee
- Department
of Dentistry, Graduate School, Kyung Hee
University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Min Heo
- Department
of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Yu-Shik Hwang
- Department
of Maxillofacial Biomedical Engineering and Institute of Oral Biology,
School of Dentistry, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae Beum Bang
- Department
of Dental Education, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemum-gu, Seoul 02447, Republic of Korea
| | - Sang-Hyun An
- Laboratory
Animal Center, Daegu-Gyeongbuk Medical Innovation
Foundation (DGMIF), Daegu 41061, Republic of Korea
| | - Dong Nyoung Heo
- Department
of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Il Keun Kwon
- Department
of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
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Yu Y, Sun Y, Zhou X, Mao Y, Liu Y, Ye L, Kuang L, Yang J, Deng Y. Ag and peptide co-decorate polyetheretherketone to enhance antibacterial property and osteogenic differentiation. Colloids Surf B Biointerfaces 2020; 198:111492. [PMID: 33296823 DOI: 10.1016/j.colsurfb.2020.111492] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/16/2020] [Accepted: 11/23/2020] [Indexed: 02/08/2023]
Abstract
Polyetheretherketone (PEEK) has been well concerned as a promising material for hard tissue repair because of its outstanding mechanical behavior and superior biocompatibility. However, its clinical application is limited by its biological inertness and the susceptibility to bacterial infection during implantation. To improve the original shortcomings, self-polymerized dopamine (PDA) was used to enrich silver ions on the PEEK surface. Moreover, a layer of carboxymethyl chitosan (CMC) film was formed on the PEEK surface by the spin-coating method, aiming to control the release of silver ions on the surface. At the same time, bone forming peptide (BFP) was modified onto the PEEK surface by 1-(3-dimethylaminopropyl)-3-ethylcarbonimide hydrochloride (EDC) / N-hydroxy succinimide (NHS). The characterization results showed that PEEK-Ag-CMC-BFP could be obtained successfully. The inhibition zone and bacterial kinetic curve showed a favorable inhibitory effect of the sliver-modified PEEK on gram-negative and gram-positive bacteria. In vitro experiments exhibited that PEEK-Ag-CMC-BFP had a better biological activity than that of PEEK, which could promote cell proliferation and osteogenic differentiation. It is expected that this dual-function material with antibacterial and bone-promoting properties has a vast potential applied in the field of hard tissue repair.
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Affiliation(s)
- Yue Yu
- School of Chemical Engineering, State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodonics, West China Hospital of Stomatology, Sichuan University, Chengdu, 611065, China
| | - Yimin Sun
- School of Chemical Engineering, State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodonics, West China Hospital of Stomatology, Sichuan University, Chengdu, 611065, China
| | - Xiong Zhou
- School of Chemical Engineering, State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodonics, West China Hospital of Stomatology, Sichuan University, Chengdu, 611065, China
| | - Yurong Mao
- School of Chemical Engineering, State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodonics, West China Hospital of Stomatology, Sichuan University, Chengdu, 611065, China
| | - Yunxiu Liu
- School of Chemical Engineering, State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodonics, West China Hospital of Stomatology, Sichuan University, Chengdu, 611065, China
| | - Ling Ye
- School of Chemical Engineering, State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodonics, West China Hospital of Stomatology, Sichuan University, Chengdu, 611065, China
| | - Li Kuang
- Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Jing Yang
- School of Chemical Engineering, State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodonics, West China Hospital of Stomatology, Sichuan University, Chengdu, 611065, China.
| | - Yi Deng
- School of Chemical Engineering, State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodonics, West China Hospital of Stomatology, Sichuan University, Chengdu, 611065, China; State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, China; Department of Mechanical Engineering, The University of Hong Kong, Hong Kong Special Administrative Region.
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Lee SJ, Choi JS, Eom MR, Jo HH, Kwon IK, Kwon SK, Park SA. Dexamethasone loaded bilayered 3D tubular scaffold reduces restenosis at the anastomotic site of tracheal replacement: in vitro and in vivo assessments. NANOSCALE 2020; 12:4846-4858. [PMID: 32016227 DOI: 10.1039/c9nr10341d] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Despite recent developments in the tracheal tissue engineering field, the creation of a patient specific substitute possessing both appropriate mechanical and biointerfacial properties remains challenging. Most tracheal replacement therapies fail due to restenosis at the anastomosis site. In this study, we designed a robust, biodegradable, 3D tubular scaffold by combining electrospinning (ELSP) and 3D (three-dimensional) printing techniques for use in transplantation therapy. After that, we loaded dexamethasone (DEX) onto the 3D tubular scaffold using mild surface modification reactions by using polydopamine (PDA), polyethyleneimine (PEI), and carboxymethyl-β-cyclodextrin (βCD). As a result, the fabricated 3D tubular scaffold had robust mechanical properties and the chemical modifications were confirmed to have proceeded successfully by physico-chemical analysis. The surface treatments allowed for a larger amount of DEX to be loaded onto the βCD modified scaffold as compared to the bare group. In vitro and in vivo studies demonstrated that the DEX loaded 3D tubular scaffold exhibited significantly enhanced anti-inflammation activity, enhanced tracheal mucosal regeneration, and formation of a patent airway. From our results, we believe that our system may represent an innovative paradigm in tracheal tissue engineering by providing proper mechanical properties and successful formation of tracheal tissue as a means of remodeling and healing tracheal defects for use in transplantation therapy.
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Affiliation(s)
- Sang Jin Lee
- Department of Nature-Inspired Nanoconvergence Systems, Korea Institute of Machinery and Materials, 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Republic of Korea. and Department of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Ji Suk Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea.
| | - Min Rye Eom
- Department of Otorhinolaryngology-Head and Neck Surgery, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea.
| | - Ha Hyeon Jo
- Department of Nature-Inspired Nanoconvergence Systems, Korea Institute of Machinery and Materials, 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Republic of Korea.
| | - Il Keun Kwon
- Department of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Seong Keun Kwon
- Department of Otorhinolaryngology-Head and Neck Surgery, Biomedical Research Institute, Seoul National University Hospital, Seoul, Republic of Korea. and Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Su A Park
- Department of Nature-Inspired Nanoconvergence Systems, Korea Institute of Machinery and Materials, 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Republic of Korea.
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5
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Won JE, Lee YS, Park JH, Lee JH, Shin YS, Kim CH, Knowles JC, Kim HW. Hierarchical microchanneled scaffolds modulate multiple tissue-regenerative processes of immune-responses, angiogenesis, and stem cell homing. Biomaterials 2020; 227:119548. [DOI: 10.1016/j.biomaterials.2019.119548] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 10/05/2019] [Accepted: 10/14/2019] [Indexed: 12/27/2022]
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6
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Youn YH, Lee SJ, Choi GR, Lee HR, Lee D, Heo DN, Kim BS, Bang JB, Hwang YS, Correlo VM, Reis RL, Im SG, Kwon IK. Simple and facile preparation of recombinant human bone morphogenetic protein-2 immobilized titanium implant via initiated chemical vapor deposition technique to promote osteogenesis for bone tissue engineering application. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 100:949-958. [PMID: 30948131 DOI: 10.1016/j.msec.2019.03.048] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 09/13/2018] [Accepted: 03/13/2019] [Indexed: 01/07/2023]
Abstract
Over the past few decades, titanium (Ti) implants have been widely used to repair fractured bones. To promote osteogenesis, immobilization of osteoinductive agents, such as recombinant human bone morphogenic protein-2 (rhBMP2), onto the Ti surface is required. In this study, we prepared rhBMP2 immobilized on glycidyl methacrylate (GMA) deposited Ti surface through initiated chemical vapor deposition (iCVD) technique. After preparation, the bio-functionalized Ti surface was characterized by physicochemical analysis. For in vitro analysis, the developed Ti was evaluated by cell proliferation, alkaline phosphatase activity, calcium deposition, and real-time polymerase chain reaction to verify their osteogenic activity against human adipose-derived stem cells (hASCs). The GMA deposited Ti surface was found to effectively immobilize a large dose of rhBMP2 as compared to untreated Ti. Additionally, rhBMP2 immobilized on Ti showed significantly enhanced osteogenic differentiation and increased calcium deposition with nontoxic cell viability. These results clearly confirm that our strategy may provide a simple, solvent-free strategy to prepare an osteoinductive Ti surface for bone tissue engineering applications.
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Affiliation(s)
- Yun Hee Youn
- Interdisciplinary Program for Bioengineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea; 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, University 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
| | - Sang Jin Lee
- Department of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Go Ro Choi
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Hak Rae Lee
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Donghyun Lee
- Department of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Dong Nyoung Heo
- Department of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Byung-Soo Kim
- Interdisciplinary Program for Bioengineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea; School of Chemical and Biological Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jae Beum Bang
- Department of Dental Education, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Yu-Shik Hwang
- Department of Maxillofacial Biomedical Engineering, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Vitor M Correlo
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, University 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
| | - Rui L Reis
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, University 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; Department of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea
| | - Sung Gap Im
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
| | - Il Keun Kwon
- Department of Dental Materials, School of Dentistry, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 02447, Republic of Korea.
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Lee SJ, Kim ME, Nah H, Seok JM, Jeong MH, Park K, Kwon IK, Lee JS, Park SA. Vascular endothelial growth factor immobilized on mussel-inspired three-dimensional bilayered scaffold for artificial vascular graft application: In vitro and in vivo evaluations. J Colloid Interface Sci 2019; 537:333-344. [DOI: 10.1016/j.jcis.2018.11.039] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 11/07/2018] [Accepted: 11/11/2018] [Indexed: 01/01/2023]
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Lee SJ, Won JE, Han C, Yin XY, Kim HK, Nah H, Kwon IK, Min BH, Kim CH, Shin YS, Park SA. Development of a three-dimensionally printed scaffold grafted with bone forming peptide-1 for enhanced bone regeneration with in vitro and in vivo evaluations. J Colloid Interface Sci 2019; 539:468-480. [DOI: 10.1016/j.jcis.2018.12.097] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 12/21/2018] [Accepted: 12/27/2018] [Indexed: 12/28/2022]
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Lee SJ, Lee HJ, Kim SY, Seok JM, Lee JH, Kim WD, Kwon IK, Park SY, Park SA. In situ gold nanoparticle growth on polydopamine-coated 3D-printed scaffolds improves osteogenic differentiation for bone tissue engineering applications: in vitro and in vivo studies. NANOSCALE 2018; 10:15447-15453. [PMID: 30091763 DOI: 10.1039/c8nr04037k] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
In this study, we designed scaffolds coated with gold nanoparticles (GNPs) grown on a polydopamine (PDA) coating of a three-dimensional (3D) printed polycaprolactone (PCL) scaffold. Our results demonstrated that the scaffolds developed here may represent an innovative paradigm in bone tissue engineering by inducing osteogenesis as a means of remodeling and healing bone defects.
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Affiliation(s)
- Sang Jin Lee
- Department of Nature-Inspired Nanoconvergence Systems, Korea Institute of Machinery and Materials, 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Republic of Korea.
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10
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Wang C, Wang S, Yang Y, Jiang Z, Deng Y, Song S, Yang W, Chen ZG. Bioinspired, biocompatible and peptide-decorated silk fibroin coatings for enhanced osteogenesis of bioinert implant. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2018; 29:1595-1611. [PMID: 29764301 DOI: 10.1080/09205063.2018.1477316] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
In this study, we develop an osteopromotive polyetheretherketone (PEEK) implant decorated with silk fibroin and bone forming peptide, in which the surface of bioinert PEEK implant is firstly sulfonated to form a three-dimensional, porous topography and then is functionalized with silk fibroin via spin-coating process and peptide decoration. The bio-test results show that cells on the functional bioinert implants exhibit better cell adhesion, proliferation and spreading, when compared with the uncoated ones. Moreover, the peptide-decorated silk fibroin coatings have ability to hasten the osteogenic differentiation and maturation of osteoblast-like cells. Our findings show the potential of the functional PEEK implants with superior bioactivity and osteoinductive property in orthopedics and dentistry. Besides, the facile, bioinspired, osteopromotive modification strategy can be used in other orthopedic and dental implants, such as titanium, zirconium dioxide.
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Affiliation(s)
- Chunyan Wang
- a School of Materials Science and Engineering , Sichuan University , Chengdu , China
| | - Shengnan Wang
- a School of Materials Science and Engineering , Sichuan University , Chengdu , China
| | - Yuanyi Yang
- b Department of Materials Engineering , Sichuan College of Architectural Technology , Deyang , China
| | - Zhuo Jiang
- c College of Food Science , South China Agriculture University , Guangzhou , China
| | - Yi Deng
- d School of Chemical Engineering , Sichuan University , Chengdu , China.,e Department of Mechanical Engineering , The University of Hong Kong , Hong Kong , China
| | - Shaoli Song
- f Department of Nuclear Medicine, Ren Ji Hospital, School of Medicine , Shanghai Jiao Tong University , Shanghai , China
| | - Weizhong Yang
- a School of Materials Science and Engineering , Sichuan University , Chengdu , China
| | - Zhi-Gang Chen
- g Centre for Future Materials , The University of Southern Queensland , Springfield , Australia.,h Materials Engineering , The University of Queensland , Brisbane , Australia
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11
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Nam HY, Min KH, Kim DE, Choi JR, Lee HJ, Lee SC. Mussel-inspired poly(L-DOPA)-templated mineralization for calcium phosphate-assembled intracellular nanocarriers. Colloids Surf B Biointerfaces 2017; 157:215-222. [PMID: 28599182 DOI: 10.1016/j.colsurfb.2017.05.077] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 05/29/2017] [Accepted: 05/30/2017] [Indexed: 02/02/2023]
Abstract
We developed a calcium phosphate (CaP)-assembled polymer nanocarrier for intracellular doxorubicin (DOX) delivery based on a mussel-inspired mineralization approach. A DOX-loaded core-shell polymer nanoparticle (DOX-NP) consisting of a poly(3,4-dihydroxy-l-phenylalanine) (PDOPA) core and a poly (ethylene glycol) (PEG) shell was utilized as a nanotemplate for CaP mineralization. The mean hydrodynamic diameter of the DOX-loaded CaP-mineralized polymer nanoparticles (DOX-CaP-NPs) was 154.3nm. Energy-dispersive X-ray spectroscopy confirmed that the DOX-CaP-NPs contained substantial amounts of Ca and P, elements found only in the CaP mineral. The loading efficiency and content of DOX, estimated by fluorescence spectroscopy, were 54.0% and 10.8wt%, respectively. The CaP deposited in the PDOPA core domain enabled the DOX-CaP-NPs to maintain a robust structure and effectively inhibit DOX release at extracellular pH, whereas at endosomal pH, the CaP core dissolved to trigger a facilitated DOX release. The DOX-CaP-NPs may serve as robust nanocarriers with a high delivery efficacy for cancer chemotherapy.
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Affiliation(s)
- Hye Young Nam
- Department of Maxillofacial Biomedical Engineering and Institute of Oral Biology, School of Dentistry, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Kyung Hyun Min
- Department of Life and Nanopharmaceutical Science, Graduate School, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Da Eun Kim
- Department of Maxillofacial Biomedical Engineering and Institute of Oral Biology, School of Dentistry, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jeong Ryul Choi
- Department of Life and Nanopharmaceutical Science, Graduate School, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hong Jae Lee
- Department of Maxillofacial Biomedical Engineering and Institute of Oral Biology, School of Dentistry, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Sang Cheon Lee
- Department of Maxillofacial Biomedical Engineering and Institute of Oral Biology, School of Dentistry, Kyung Hee University, Seoul 130-701, Republic of Korea.
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Heo EY, Ko NR, Bae MS, Lee SJ, Choi BJ, Kim JH, Kim HK, Park SA, Kwon IK. Novel 3D printed alginate–BFP1 hybrid scaffolds for enhanced bone regeneration. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2016.09.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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