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Biomimetic fabrication of new bioceramics-introduced fibrous scaffolds: From physicochemical characteristics to in vitro biological properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 94:547-557. [DOI: 10.1016/j.msec.2018.09.063] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 08/08/2018] [Accepted: 09/27/2018] [Indexed: 01/05/2023]
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52
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Wang S, Hu F, Li J, Zhang S, Shen M, Huang M, Shi X. Design of electrospun nanofibrous mats for osteogenic differentiation of mesenchymal stem cells. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:2505-2520. [DOI: 10.1016/j.nano.2016.12.024] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 12/20/2016] [Accepted: 12/30/2016] [Indexed: 01/09/2023]
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Farano V, Maurin JC, Attik N, Jackson P, Grosgogeat B, Gritsch K. Sol-gel bioglasses in dental and periodontal regeneration: A systematic review. J Biomed Mater Res B Appl Biomater 2018; 107:1210-1227. [PMID: 30199601 DOI: 10.1002/jbm.b.34214] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 06/26/2018] [Accepted: 07/21/2018] [Indexed: 12/12/2022]
Abstract
Due to their osteoconductive and osteoinductive abilities, bioglasses (BGs) have attracted attention in tissue engineering, especially for mineralized tissue. The aim of this study is to review the current state of the art on the effects of BGs produced by sol-gel on cells for dental and periodontal regeneration. The study also discusses associated antibacterial properties. The research was performed by considering the Preferred Reporting Items for Systematic Reviews and the Meta-Analyses (PRISMA) statement. The research ranged 5 years' window time (from January, 01, 2012, to August, 31, 2017) and the relevant studies were identified based on the inclusion/exclusion criteria. A total of 45 articles were selected from 244 initial returns, plus seven further articles coming from other sources were selected for the same purpose. From this systematic study, it is revealed that only 13 of the 52 articles have proved both the ability of BGs to differentiate dental cells at genetic level and their ability of triggering cell-mediated mineralization, but only six of them showed, along with cells, the antibacterial properties of the glasses. This review shows that sol-gel BGs are not toxic, can sustain cell proliferation and differentiation at a genetic level, and can keep the bacterial population under control. Moreover, a standard methodology and an ideal material are suggested. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 1210-1227, 2019.
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Affiliation(s)
- Vincenzo Farano
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France.,Faculté d'Odontologie, Université Claude Bernard Lyon 1, Lyon, France
| | - Jean-Christophe Maurin
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France.,Faculté d'Odontologie, Université Claude Bernard Lyon 1, Lyon, France.,Service d'Odontologie, Hospices Civils de Lyon, Lyon, France
| | - Nina Attik
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France.,Faculté d'Odontologie, Université Claude Bernard Lyon 1, Lyon, France
| | - Phil Jackson
- Lucideon Limited, Queens Road, Penkhull, Stoke-on-Trent, Staffordshire, ST4 7LQ, UK
| | - Brigitte Grosgogeat
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France.,Faculté d'Odontologie, Université Claude Bernard Lyon 1, Lyon, France.,Service d'Odontologie, Hospices Civils de Lyon, Lyon, France
| | - Kerstin Gritsch
- Université Lyon, Université Claude Bernard Lyon 1, CNRS, Laboratoire des Multimatériaux et Interfaces, Villeurbanne, France.,Faculté d'Odontologie, Université Claude Bernard Lyon 1, Lyon, France.,Service d'Odontologie, Hospices Civils de Lyon, Lyon, France
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Uz M, Das SR, Ding S, Sakaguchi DS, Claussen JC, Mallapragada SK. Advances in Controlling Differentiation of Adult Stem Cells for Peripheral Nerve Regeneration. Adv Healthc Mater 2018; 7:e1701046. [PMID: 29656561 DOI: 10.1002/adhm.201701046] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2017] [Revised: 01/08/2018] [Indexed: 01/01/2023]
Abstract
Adult stems cells, possessing the ability to grow, migrate, proliferate, and transdifferentiate into various specific phenotypes, constitute a great asset for peripheral nerve regeneration. Adult stem cells' ability to undergo transdifferentiation is sensitive to various cell-to-cell interactions and external stimuli involving interactions with physical, mechanical, and chemical cues within their microenvironment. Various studies have employed different techniques for transdifferentiating adult stem cells from distinct sources into specific lineages (e.g., glial cells and neurons). These techniques include chemical and/or electrical induction as well as cell-to-cell interactions via co-culture along with the use of various 3D conduit/scaffold designs. Such scaffolds consist of unique materials that possess controllable physical/mechanical properties mimicking cells' natural extracellular matrix. However, current limitations regarding non-scalable transdifferentiation protocols, fate commitment of transdifferentiated stem cells, and conduit/scaffold design have required new strategies for effective stem cells transdifferentiation and implantation. In this progress report, a comprehensive review of recent advances in the transdifferentiation of adult stem cells via different approaches along with multifunctional conduit/scaffolds designs is presented for peripheral nerve regeneration. Potential cellular mechanisms and signaling pathways associated with differentiation are also included. The discussion with current challenges in the field and an outlook toward future research directions is concluded.
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Affiliation(s)
- Metin Uz
- Department of Chemical and Biological Engineering Iowa State University Ames IA 50011 USA
| | - Suprem R. Das
- Department of Mechanical Engineering Iowa State University Ames IA 50011 USA
- Division of Materials Science and Engineering Ames Laboratory Ames IA 50011 USA
| | - Shaowei Ding
- Department of Mechanical Engineering Iowa State University Ames IA 50011 USA
| | - Donald S. Sakaguchi
- Neuroscience Program Iowa State University Ames IA 50011 USA
- Department of Genetics Development and Cell Biology Iowa State University Ames IA 50011 USA
| | - Jonathan C. Claussen
- Department of Mechanical Engineering Iowa State University Ames IA 50011 USA
- Division of Materials Science and Engineering Ames Laboratory Ames IA 50011 USA
| | - Surya K. Mallapragada
- Department of Chemical and Biological Engineering Iowa State University Ames IA 50011 USA
- Department of Genetics Development and Cell Biology Iowa State University Ames IA 50011 USA
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Mandakhbayar N, El-Fiqi A, Dashnyam K, Kim HW. Feasibility of Defect Tunable Bone Engineering Using Electroblown Bioactive Fibrous Scaffolds with Dental Stem Cells. ACS Biomater Sci Eng 2018; 4:1019-1028. [DOI: 10.1021/acsbiomaterials.7b00810] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Nandin Mandakhbayar
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, South Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, South Korea
| | - Ahmed El-Fiqi
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, South Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, South Korea
- Glass Research Department, National Research Center, Cairo 12622, Egypt
| | - Khandmaa Dashnyam
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, South Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, South Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, South Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, South Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan 330-714, South Korea
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Wang S, Gu Z, Wang Z, Chen X, Cao L, Cai L, Li Q, Wei J, Shin JW, Su J. Influences of mesoporous magnesium calcium silicate on mineralization, degradability, cell responses, curcumin release from macro-mesoporous scaffolds of gliadin based biocomposites. Sci Rep 2018; 8:174. [PMID: 29317753 PMCID: PMC5760662 DOI: 10.1038/s41598-017-18660-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 12/13/2017] [Indexed: 11/09/2022] Open
Abstract
Macro-mesoporous scaffolds based on wheat gliadin (WG)/mesoporous magnesium calcium silicate (m-MCS) biocomposites (WMC) were developed for bone tissue regeneration. The increasing amount of m-MCS significantly improved the mesoporosity and water absorption of WMC scaffolds while slightly decreased their compressive strength. With the increase of m-MCS content, the degradability of WMC scaffolds was obviously enhanced, and the decrease of pH value could be slow down after soaking in Tris-HCl solution for different time. Moreover, the apatite mineralization ability of the WMC scaffolds in simulated body fluid (SBF) was obviously improved with the increase of m-MCS content, indicating good bioactivity. The macro-mesoporous WMC scaffolds containing m-MCS significantly stimulated attachment, proliferation and differentiation of MC3T3-E1 cells, indicating cytocompatibility. The WMC scaffold containing 40 w% m-MCS (WMC40) possessed the highest porosity (including macroporosity and mesoporosity), which loaded the highest amount of curcumin (CU) as well as displayed the slow release of CU. The results suggested that the incorporation of m-MCS into WG produced biocomposite scaffolds with macro-mesoporosity, which significantly improved water absorption, degradability, bioactivity, cells responses and load/sustained release of curcumin.
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Affiliation(s)
- Sicheng Wang
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
- Department of Orthopaedics, Zhongye Hospital, Shanghai, 200941, China
| | - Zhengrong Gu
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
- The Department of Orthopaedics, Jing'an District Centre Hospital of Shanghai (Huashan Hospital, Fudan University Jing'An Branch), Shanghai, 200040, China
| | - Zhiwei Wang
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Xiao Chen
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Liehu Cao
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Liang Cai
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Quan Li
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Jie Wei
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Jung-Woog Shin
- Department of Biomedical Engineering, Inje University, Gimhae, 621749, Republic of Korea
| | - Jiacan Su
- Department of Trauma Orthopaedics, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China.
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Abstract
No current therapy promotes root canal disinfection and regeneration of the pulp-dentin complex in cases of pulp necrosis. Antibiotic pastes used to eradicate canal infection negatively affect stem cell survival. Three-dimensional easy-to-fit antibiotic-eluting nanofibers, combined with injectable scaffolds, enriched or not with stem cells and/or growth factors, may increase the likelihood of achieving predictable dental pulp regeneration. Periodontitis is an aggressive disease that impairs the integrity of tooth-supporting structures and may lead to tooth loss. The latest advances in membrane biomodification to endow needed functionalities and technologies to engineer patient-specific membranes/constructs to amplify periodontal regeneration are presented.
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Affiliation(s)
- Marco C Bottino
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA.
| | - Divya Pankajakshan
- Department of Cariology, Restorative Sciences and Endodontics, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
| | - Jacques E Nör
- Department of Biomedical and Applied Sciences, Indiana, University School of Dentistry, Indianapolis, IN 46202, USA
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El-Fiqi A, Buitrago JO, Yang SH, Kim HW. Biomimetically grown apatite spheres from aggregated bioglass nanoparticles with ultrahigh porosity and surface area imply potential drug delivery and cell engineering applications. Acta Biomater 2017; 60:38-49. [PMID: 28754647 DOI: 10.1016/j.actbio.2017.07.036] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 07/06/2017] [Accepted: 07/24/2017] [Indexed: 02/07/2023]
Abstract
Here we communicate the generation of biomimetically grown apatite spheres from aggregated bioglass nanoparticles and the potential properties applicable for drug delivery and cell/tissue engineering. Ion releasing nanoparticulates of bioglass (85%SiO2-15%CaO) in a mineralizing medium show an intriguing dynamic phenomenon - aggregation, mineralization to apatite, integration and growth into micron-sized (1.5-3μm) spheres. During the progressive ionic dissolution/precipitation reactions, nano-to-micro-morphology, glass-to-crystal composition, and the physico-chemical properties (porosity, surface area, and charge) change dynamically. With increasing reaction period, the apatite becomes more crystallized with increased crystallinity and crystal size, and gets a composition closer to the stoichiometry. The developed microspheres exhibit hierarchical surface nanostructure, negative charge (ς-potential of -20mV), and ultrahigh mesoporosity (mesopore size of 6.1nm, and the resultant surface area of 63.7m2/g and pore volume of 0.153cm3/g) at 14days of mineralization, which are even higher than those of its precursor bioglass nanoparticles. Thanks to these properties, the biomimetic mineral microspheres take up biological molecules effectively, i.e., loading capacity of positive-charged protein is over 10%. Of note, the release is highly sustainable at a constant rate, i.e., profiling almost 'zero-order' kinetics for 4weeks, suggesting the potential usefulness as protein delivery systems. The biomimetic mineral microspheres hold some remnant Si in the core region, and release calcium, phosphate, and silicate ions over the test period, implying the long-term ionic-related therapeutic functions. The mesenchymal stem cells favour the biomimetic spheres with an excellent viability. Due to the merit of sizes (a few micrometers), the spheres can be intercalated into cells, mediating cellular interactions in 3D cell-spheroid engineering, and also can stimulate osteogenic differentiation of cells when incorporated into cell-laden gels. The intriguing properties observed in this study, including biomimetic composition, high mesoporosity, release of therapeutic ions, effective loading and long-term release of proteins, and diverse yet favorable 3D cellular interactions, suggest great potential of the newly developed biomimetic microspheres in biomedical applications, such as drug delivery and cell/tissue engineering. STATEMENT OF SIGNIFICANCE This work reports the generation of apatite spheres with a few micrometers in size biomimetically grown from bioactive glass nanoparticles, through a series of intriguing yet unprecedented phenomenon involving aggregation of nanoparticles, mineralization and sphere growth. The mineral microspheres possess some unique physico-chemical properties including mesoporosity, ultrahigh surface area, and therapeutic ionic release. Furthermore, the spheres show excellent loading and delivery capacity of protein molecules, and mediate favorable cellular interactions in 2D and 3D culture conditions, demonstrating a future multifunctional microcarrier platform for the therapeutics delivery and cell/tissue engineering.
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Lee JH, Mandakhbayar N, El-Fiqi A, Kim HW. Intracellular co-delivery of Sr ion and phenamil drug through mesoporous bioglass nanocarriers synergizes BMP signaling and tissue mineralization. Acta Biomater 2017; 60:93-108. [PMID: 28713017 DOI: 10.1016/j.actbio.2017.07.021] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 07/09/2017] [Accepted: 07/12/2017] [Indexed: 12/12/2022]
Abstract
Inducing differentiation and maturation of resident multipotent stem cells (MSCs) is an important strategy to regenerate hard tissues in mal-calcification conditions. Here we explore a co-delivery approach of therapeutic molecules comprised of ion and drug through a mesoporous bioglass nanoparticle (MBN) for this purpose. Recently, MBN has offered unique potential as a nanocarrier for hard tissues, in terms of high mesoporosity, bone bioactivity (and possibly degradability), tunable delivery of biomolecules, and ionic modification. Herein Sr ion is structurally doped to MBN while drug Phenamil is externally loaded as a small molecule activator of BMP signaling, for the stimulation of osteo/odontogenesis and mineralization of human MSCs derived from dental pulp. The Sr-doped MBN (85Si:10Ca:5Sr) sol-gel processed presents a high mesoporosity with a pore size of ∼6nm. In particular, Sr ion is released slowly at a daily rate of ∼3ppm per mg nanoparticles for up to 7days, a level therapeutically effective for cellular stimulation. The Sr-MBN is internalized to most MSCs via an ATP dependent macropinocytosis within hours, increasing the intracellular levels of Sr, Ca and Si ions. Phenamil is loaded maximally ∼30% into Sr-MBN and then released slowly for up to 7days. The co-delivered molecules (Sr ion and Phenamil drug) have profound effects on the differentiation and maturation of cells, i.e., significantly enhancing expression of osteo/odontogenic genes, alkaline phosphatase activity, and mineralization of cells. Of note, the stimulation is a result of a synergism of Sr and Phenamil, through a Trb3-dependent BMP signaling pathway. This biological synergism is further evidenced in vivo in a mal-calcification condition involving an extracted tooth implantation in dorsal subcutaneous tissues of rats. Six weeks post operation evidences the osseous-dentinal hard tissue formation, which is significantly stimulated by the Sr/Phenamil delivery, based on histomorphometric and micro-computed tomographic analyses. The bioactive nanoparticles releasing both Sr ion and Phenamil drug are considered to be a promising therapeutic nanocarrier platform for hard tissue regeneration. Furthermore, this novel ion/drug co-delivery concept through nanoparticles can be extensively used for other tissues that require different therapeutic treatment. STATEMENT OF SIGNIFICANCE This study reports a novel design concept in inorganic nanoparticle delivery system for hard tissues - the co-delivery of therapeutic molecules comprised of ion (Sr) and drug (Phenamil) through a unique nanoparticle of mesoporous bioactive glass (MBN). The physico-chemical and biological properties of MBN enabled an effective loading of both therapeutic molecules and a subsequently sustained/controlled release. The co-delivered Sr and Phenamil demonstrated significant stimulation of adult stem cell differentiation in vitro and osseous/dentinal regeneration in vivo, through BMP signaling pathways. We consider the current combination of Sr ion with Phenamil is suited for the osteo/odontogenesis of stem cells for hard tissue regeneration, and further, this ion/drug co-delivery concept can extend the applications to other areas that require specific cellular and tissue functions.
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60
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Ren Z, Ma S, Jin L, Liu Z, Liu D, Zhang X, Cai Q, Yang X. Repairing a bone defect with a three-dimensional cellular construct composed of a multi-layered cell sheet on electrospun mesh. Biofabrication 2017. [PMID: 28631613 DOI: 10.1088/1758-5090/aa747f] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
In addition to providing maneuverability, electrospun nanofibrous meshes can make excellent supports for constructing flexible cell sheets to regulate cell behavior by nanofiber features. With the target of bone regeneration, herein composite nanofibers with two different fiber arrangements (nestlike, random) were electrospun from a blend solution containing poly(l-lactide) (PLLA) and gelatin (1:1 in weight ratio). Unlike the non-woven morphology in a random nanofibrous mesh, PLLA/gelatin composite nanofibers in the nestlike nanofibrous mesh displayed both non-woven and parallel morphologies. Both kinds of nanofibrous mesh were ∼50 μm thick as-prepared, and shrank to ∼30 μm after seeding with bone mesenchymal stromal cells (BMSCs). After 7 days of in vitro culture, cell sheets could form on both meshes (CSM) and on the culture plate. It was found that application of nanofibrous mesh promoted the osteogenic differentiation of BMSC sheets compared with the control. The nestlike mesh displayed slight superiority over the random mesh in enhancing osteogenic differentiation, but their different fiber arrangements did not cause much difference in cell proliferation. Three-dimensional multi-layered CSM constructs were built by stacking four mono-layered CSMs together. The CSM constructs (based on a nestlike or random nanofibrous mesh) were incubated in vitro for 3 days before being implanted into rat cranial defects. In comparison with the control group, there was significant formation of new calcified bone in both CSM construct-filled groups at 12 weeks' post-operation. The nestlike group showed slightly better bone healing (based on both qualitative and quantitative analysis) than the random group, while showing insignificant differences. We showed that the concept of using a three-dimensional multi-layered CSM construct in enhancing bone regeneration was feasible. Future studies should take more nanofiber features (e.g. bioactive components) into account to further enhance osteogenesis.
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Affiliation(s)
- Zhiwei Ren
- State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
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Ding Z, Han H, Fan Z, Lu H, Sang Y, Yao Y, Cheng Q, Lu Q, Kaplan DL. Nanoscale Silk-Hydroxyapatite Hydrogels for Injectable Bone Biomaterials. ACS APPLIED MATERIALS & INTERFACES 2017; 9:16913-16921. [PMID: 28471165 DOI: 10.1021/acsami.7b03932] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Injectable hydrogel systems are important bone substitutes for regeneration because of their handling properties and the ability to fill irregular defects. Silk-hydroxyapatite composite materials with silk nanofibers in hydrogels were prepared and used as biomaterials for osteogenesis. These thixotropic silk nanofiber hydrogels and water-dispersible silk-HA nanoparticles were blended to form injectable nanoscale systems with a homogeneous distribution of a high HA content [60% (w/w)] to imitate bone niche. A modulus of ∼21 kPa was also achieved following the addition of HA in the systems, providing physical cues to induce osteodifferentiation. The composite hydrogels supported improved osteogenesis compared to that with silk nanofiber hydrogels. The newly formed bone tissue and bone defect healing were detected after implantation of the silk-HA composite hydrogels, suggesting utility for the regeneration of irregular bone defects.
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Affiliation(s)
- Zhaozhao Ding
- School of Biology and Basic Medical Sciences and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, People's Republic of China
- National Engineering Laboratory for Modern Silk, Soochow University , Suzhou 215123, People's Republic of China
| | - Hongyan Han
- School of Biology and Basic Medical Sciences and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, People's Republic of China
| | - Zhihai Fan
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University , Suzhou 215000, People's Republic of China
| | - Haijun Lu
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University , Suzhou 215000, People's Republic of China
| | - Yonghuan Sang
- National Engineering Laboratory for Modern Silk, Soochow University , Suzhou 215123, People's Republic of China
| | - Yuling Yao
- School of Biology and Basic Medical Sciences and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, People's Republic of China
| | - Qingqing Cheng
- National Engineering Laboratory for Modern Silk, Soochow University , Suzhou 215123, People's Republic of China
| | - Qiang Lu
- School of Biology and Basic Medical Sciences and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University , Suzhou 215123, People's Republic of China
- National Engineering Laboratory for Modern Silk, Soochow University , Suzhou 215123, People's Republic of China
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University , Medford, Massachusetts 02155, United States
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Evaluation of bioactive glass incorporated poly(caprolactone)-poly(vinyl alcohol) matrix and the effect of BMP-2 modification. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 74:47-54. [DOI: 10.1016/j.msec.2016.12.128] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 12/05/2016] [Accepted: 12/21/2016] [Indexed: 11/23/2022]
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63
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Wang X, Chen W, Liu Q, Gao K, Wang G, Gao L, Liu L. Function and mechanism of mesoporous bioactive glass adsorbed epidermal growth factor for accelerating bone tissue regeneration. Biomed Mater 2017; 12:025020. [PMID: 28452332 DOI: 10.1088/1748-605x/aa65d8] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Mesoporous bioactive glass (MBG) has been demonstrated to play a vital role in bone tissue engineering due to its bioactivity, biocompatibility, and osteoinduction properties. Here, we report that MBG grafted with an amino group (MBG-NH2) and MBG-NH2 adsorbed epidermal growth factor (EGF) (MBG-NH2/EGF) sustained-release EGF, and MBG-NH2/EGF could accelerate osteoblast differentiation and mineralization in MC3T3-E1 cells. We found that MBG-NH2 could promote bone-like deposit formation and Ca deposition in vitro. Intriguingly, we observed that MBG-NH2/EGF enhanced MC3T3-E1 cell adhesion. We also showed that extracellular signal-regulated kinase 1/2 (ERK1/2) was phosphorylated when MC3T3-E1 cells were cultured on MBG-NH2/EGF. Interestingly, the transcription factor Runx2, important for osteoblast differentiation, was also activated when MC3T3-E1 cells were cultured on MBG-NH2/EGF. We showed that MC3T3-E1 cells cultured on MBG-NH2/EGF activating Runx2 was through ERK1/2 phosphorylation. Consistent with this survey, we observed that MC3T3-E1 cells cultured on MBG-NH2/EGF accelerated osteoblastic marker gene expressions, including osteopontin (Opn) and osteocalcin (Ocn). Taken together, we conclude that the osteoblast differentiation and mineralization were accelerated in MC3T3-E1 cells cultured on MBG-NH2/EGF through ERK-activated Runx2 pathway. These findings support the idea that MBG-NH2/EGF is a potential biomaterial for bone tissue repair in bone defect-related diseases.
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Affiliation(s)
- Xiaoyan Wang
- Department of Chemistry and Biology, College of Science, National University of Defense Technology, Changsha, Hunan, 410073, People's Republic of China
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64
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Vieira S, Vial S, Reis RL, Oliveira JM. Nanoparticles for bone tissue engineering. Biotechnol Prog 2017; 33:590-611. [PMID: 28371447 DOI: 10.1002/btpr.2469] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 03/14/2017] [Indexed: 12/11/2022]
Abstract
Tissue engineering (TE) envisions the creation of functional substitutes for damaged tissues through integrated solutions, where medical, biological, and engineering principles are combined. Bone regeneration is one of the areas in which designing a model that mimics all tissue properties is still a challenge. The hierarchical structure and high vascularization of bone hampers a TE approach, especially in large bone defects. Nanotechnology can open up a new era for TE, allowing the creation of nanostructures that are comparable in size to those appearing in natural bone. Therefore, nanoengineered systems are now able to more closely mimic the structures observed in naturally occurring systems, and it is also possible to combine several approaches - such as drug delivery and cell labeling - within a single system. This review aims to cover the most recent developments on the use of different nanoparticles for bone TE, with emphasis on their application for scaffolds improvement; drug and gene delivery carriers, and labeling techniques. © 2017 American Institute of Chemical Engineers Biotechnol. Prog., 33:590-611, 2017.
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Affiliation(s)
- Sílvia Vieira
- 3B's Research Group, AvePark - Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, Guimarães, 4805-017, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Stephanie Vial
- 3B's Research Group, AvePark - Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, Guimarães, 4805-017, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group, AvePark - Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, Guimarães, 4805-017, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - J Miguel Oliveira
- 3B's Research Group, AvePark - Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Barco, Guimarães, 4805-017, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
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Gelatin-based 3D conduits for transdifferentiation of mesenchymal stem cells into Schwann cell-like phenotypes. Acta Biomater 2017; 53:293-306. [PMID: 28213098 DOI: 10.1016/j.actbio.2017.02.018] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 02/08/2017] [Accepted: 02/11/2017] [Indexed: 01/02/2023]
Abstract
In this study, gelatin-based 3D conduits with three different microstructures (nanofibrous, macroporous and ladder-like) were fabricated for the first time via combined molding and thermally induced phase separation (TIPS) technique for peripheral nerve regeneration. The effects of conduit microstructure and mechanical properties on the transdifferentiation of bone marrow-derived mesenchymal stem cells (MSCs) into Schwann cell (SC) like phenotypes were examined to help facilitate neuroregeneration and understand material-cell interfaces. Results indicated that 3D macroporous and ladder-like structures enhanced MSC attachment, proliferation and spreading, creating interconnected cellular networks with large numbers of viable cells compared to nanofibrous and 2D-tissue culture plate counterparts. 3D-ladder-like conduit structure with complex modulus of ∼0.4×106Pa and pore size of ∼150μm provided the most favorable microenvironment for MSC transdifferentiation leading to ∼85% immunolabeling of all SC markers. On the other hand, the macroporous conduits with complex modulus of ∼4×106Pa and pore size of ∼100μm showed slightly lower (∼65% for p75, ∼75% for S100 and ∼85% for S100β markers) immunolabeling. Transdifferentiated MSCs within 3D-ladder-like conduits secreted significant amounts (∼2.5pg/mL NGF and ∼0.7pg/mL GDNF per cell) of neurotrophic factors, while MSCs in macroporous conduits released slightly lower (∼1.5pg/mL NGF and 0.7pg/mL GDNF per cell) levels. PC12 cells displayed enhanced neurite outgrowth in media conditioned by conduits with transdifferentiated MSCs. Overall, conduits with macroporous and ladder-like 3D structures are promising platforms in transdifferentiation of MSCs for neuroregeneration and should be further tested in vivo. STATEMENT OF SIGNIFICANCE This manuscript focuses on the effect of microstructure and mechanical properties of gelatin-based 3D conduits on the transdifferentiation of mesenchymal stem cells to Schwann cell-like phenotypes. This work builds on our recently accepted manuscript in Acta Biomaterialia focused on multifunctional 2D films, and focuses on 3D microstructured conduits designed to overcome limitations of current strategies to facilitate peripheral nerve regeneration. The comparison between conduits fabricated with nanofibrous, macroporous and ladder-like microstructures showed that the ladder-like conduits showed the most favorable environment for MSC transdifferentiation to Schwann-cell like phenotypes, as seen by both immunolabeling as well as secretion of neurotrophic factors. This work demonstrates the importance of controlling the 3D microstructure to facilitate tissue engineering strategies involving stem cells that can serve as promising approaches for peripheral nerve regeneration.
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Kim JJ, El-Fiqi A, Kim HW. Synergetic Cues of Bioactive Nanoparticles and Nanofibrous Structure in Bone Scaffolds to Stimulate Osteogenesis and Angiogenesis. ACS APPLIED MATERIALS & INTERFACES 2017; 9:2059-2073. [PMID: 28029246 DOI: 10.1021/acsami.6b12089] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Providing a nanotopological physical cue in concert with a bioactive chemical signal within 3D scaffolds, while it being considered a promising approach for bone regeneration, has yet to be explored. Here, we develop 3D porous scaffolds that are networked to be a nanofibrous structure and incorporated with bioactive glass nanoparticles (BGn) to tackle this issue. The presence of BGn and nanofibrous structure (BGn + nanofibrous) substantially increased the surface area, hydro-affinity and protein loading capacity of scaffolds. In particular, the BGn released Si and Ca ions to the levels known to be biologically effective, offering the bone scaffold an ability to deliver therapeutic ions. The mesenchymal stem cells (MSCs) from rats exhibited significantly accelerated adhesion events including cell anchorage, cytoskeletal extensions, and the expression of adhesion signaling molecules on the BGn/nanofibrous scaffolds. The cells gained a more rapid proliferation and migration (penetration) ability over 2 weeks within the BGn + nanofibrous scaffolds than within either nanofibrous or BGn scaffolds. The osteogenesis of MSCs, as confirmed by the expressions of bone-associated genes and proteins, as well as the cellular mineralization was significantly stimulated by the BGn and nanofibrous topology in a synergistic manner. The behaviors of endothelial cells (HUVECs) including cell migration and tubule networking were also enhanced when influenced by the BGn and nanofibrous scaffolds (but more by BGn than by nanofiber). A subcutaneous tissue implantation of the scaffolds further evidenced the in vivo stimulation of neo-blood vessel formation by the BGn + nanofibrous cues, suggesting the possible promising role in bone regeneration. Taken together, the therapeutic ions and nanofibrous topology implemented within 3D scaffolds are considered to play synergistic actions in osteogenesis and angiogenesis, implying the potential usefulness of the BGn + nanofibrous scaffolds for bone tissue engineering.
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Affiliation(s)
- Jung-Ju Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, Republic of Korea
| | - Ahmed El-Fiqi
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, Republic of Korea
- Department of Biomaterials Science, College of Dentistry, Dankook University , Cheonan 330-714, Republic of Korea
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Dashnyam K, El-Fiqi A, Buitrago JO, Perez RA, Knowles JC, Kim HW. A mini review focused on the proangiogenic role of silicate ions released from silicon-containing biomaterials. J Tissue Eng 2017; 8:2041731417707339. [PMID: 28560015 PMCID: PMC5435366 DOI: 10.1177/2041731417707339] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 04/06/2017] [Indexed: 01/01/2023] Open
Abstract
Angiogenesis is considered an important issue in the development of biomaterials for the successful regeneration of tissues including bone. While growth factors are commonly used with biomaterials to promote angiogenesis, some ions released from biomaterials can also contribute to angiogenic events. Many silica-based biomaterials have been widely used for the repair and regeneration of tissues, mainly hard tissues such as bone and tooth structure. They have shown excellent performance in bone formation by stimulating angiogenesis. The release of silicate and others (Co and Cu ions) has therefore been implicated to play critical roles in the angiogenesis process. In this short review, we highlight the in vitro and in vivo findings of angiogenesis (and the related bone formation) stimulated by the various types of silicon-containing biomaterials where silicate ions released might play essential roles. We discuss further the possible molecular mechanisms underlying in the ion-induced angiogenic events.
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Affiliation(s)
- Khandmaa Dashnyam
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Ahmed El-Fiqi
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Jennifer O Buitrago
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
| | - Roman A Perez
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
- UIC Regenerative Medicine Research Institute, Universitat Internacional de Catalunya, Barcelona, Spain
| | - Jonathan C Knowles
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, UK
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, Republic of Korea
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Yoon JY, Kim JJ, El-Fiqi A, Jang JH, Kim HW. Ultrahigh protein adsorption capacity and sustained release of nanocomposite scaffolds: implication for growth factor delivery systems. RSC Adv 2017. [DOI: 10.1039/c6ra28841c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Nanocomposite scaffolds that can load growth factors effectively and release them sustainably are developed for the regeneration of tissues.
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Affiliation(s)
- Ji-Young Yoon
- Institute of Tissue Regeneration Engineering (ITREN)
- Dankook University
- Cheonan 330-714
- Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine
| | - Jung-Ju Kim
- Institute of Tissue Regeneration Engineering (ITREN)
- Dankook University
- Cheonan 330-714
- Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine
| | - Ahmed El-Fiqi
- Institute of Tissue Regeneration Engineering (ITREN)
- Dankook University
- Cheonan 330-714
- Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine
| | - Jun-Hyeog Jang
- Department of Biochemistry
- Inha University School of Medicine
- Incheon 400-712
- Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN)
- Dankook University
- Cheonan 330-714
- Republic of Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine
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Gorgieva S, Girandon L, Kokol V. Mineralization potential of cellulose-nanofibrils reinforced gelatine scaffolds for promoted calcium deposition by mesenchymal stem cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 73:478-489. [PMID: 28183635 DOI: 10.1016/j.msec.2016.12.092] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 10/30/2016] [Accepted: 12/19/2016] [Indexed: 11/20/2022]
Abstract
Cellulose-nanofibrils (CNFs) enriched gelatine (GEL) scaffolds were fabricated in-situ by the combined freeze-thawing process and carbodiimide crosslinking chemistry. The original- and variously surface anionised CNFs (carboxylated/CNF-COOH/, and phosphonated with 3-AminoPropylphosphoric Acid/CNF-COOH-ApA/) were used in order to tune the scaffolds' biomimetic structure towards a more intensive mineralization process. The pore size reduction (from 208±35μm to 91±35μm) after 50% v/v of CNFs addition to GEL was identified, while separated pore-walls' alignment vs. shorter, dense and elongated pores are observed when using 80% v/v of original-CNFs vs. anionised-CNFs, all of them possessed osteoid-like compressive strength (0.025-0.40MPa) and elasticity (0.04-0.15MPa). While randomly distributed Ca2+-deficient hydroxyapatite/HAp/(Ca/P≈1.4) aggregates were identified in the case of original-CNF prevalent scaffolds after four weeks of incubation in SBF, the more uniform and intensified deposition with HAp-like (Ca/P≈1.69) structures were established using CNF-COOH-Apa. The growth of Mesenchymal Stem Cells (MSCs) was observed on all CNF-containing scaffolds, resulting in more extensive Ca2+ deposition compared to the positive control or pure GEL scaffold. Among them, the scaffold prepared with the 50% v/v CNF-COOH-ApA showed significantly increased mineralization kinetic as well as the capacity for bone-like patterning in bone tissue regeneration.
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Affiliation(s)
- Selestina Gorgieva
- University of Maribor, Institute of Engineering Materials and Design, Maribor, Slovenia
| | | | - Vanja Kokol
- University of Maribor, Institute of Engineering Materials and Design, Maribor, Slovenia.
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Mahapatra C, Singh RK, Kim JJ, Patel KD, Perez RA, Jang JH, Kim HW. Osteopromoting Reservoir of Stem Cells: Bioactive Mesoporous Nanocarrier/Collagen Gel through Slow-Releasing FGF18 and the Activated BMP Signaling. ACS APPLIED MATERIALS & INTERFACES 2016; 8:27573-27584. [PMID: 27649064 DOI: 10.1021/acsami.6b09769] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Providing an osteogenic stimulatory environment is a key strategy to construct stem cell-based bone-equivalent tissues. Here we design a stem cell delivering gel matrix made of collagen (Col) with bioactive glass nanocarriers (BGn) that incorporate osteogenic signaling molecule, fibroblast growth factor 18 (FGF18), a reservoir considered to cultivate and promote osteogenesis of mesenchymal stem cells (MSCs). The presence of BGn in the gel was shown to enhance the osteogenic differentiation of MSCs, possibly due to the therapeutic role of ions released. The mesoporous nature of BGn was effective in loading FGF18 at large quantity, and the FGF18 release from the BGn-Col gel matrix was highly sustainable with almost a zero-order kinetics, over 4 weeks as confirmed by the green fluorescence protein signal change. The released FGF18 was effective in accelerating osteogenesis (alkaline phosphatase activity and bone related gene expressions) and bone matrix formation (osteopontin, bone sialoprotein, and osteocalcin production) of MSCs. This was attributed to the bone morphogenetic protein (BMP) signaling pathway, where the FGF18 release stimulated the endogenous secretion of BMP2 and the downstream signal Smad1/5/8. Taken together, the FGF18-BGn/Col gel is considered an excellent osteopromoting depot to support and signal MSCs for bone tissue engineering.
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Affiliation(s)
- Chinmaya Mahapatra
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Rajendra K Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Jung-Ju Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Kapil D Patel
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Roman A Perez
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
| | - Jun-Hyeog Jang
- Department of Biochemistry, Inha University School of Medicine , Incheon 22212, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University , Cheonan 330-714, South Korea
- Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University , Cheonan 330-714, South Korea
- Department of Biomaterials Science, School of Dentistry, Dankook University , Cheonan 330-714, South Korea
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Lim HC, Nam OH, Kim MJ, El-Fiqi A, Yun HM, Lee YM, Jin GZ, Lee HH, Kim HW, Kim EC. Delivery of dexamethasone from bioactive nanofiber matrices stimulates odontogenesis of human dental pulp cells through integrin/BMP/mTOR signaling pathways. Int J Nanomedicine 2016; 11:2557-67. [PMID: 27354790 PMCID: PMC4907710 DOI: 10.2147/ijn.s97846] [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: 12/20/2022] Open
Abstract
Therapeutically relevant design of scaffolds is of special importance in the repair and regeneration of tissues including dentin and pulp. Here we exploit nanofiber matrices that incorporate bioactive glass nanoparticles (BGNs) and deliver the odontogenic drug dexamethasone (DEX) to stimulate the odontogenic differentiation of human dental pulp cells (HDPCs). DEX molecules were first loaded onto the BGN, and then the DEX-BGN complex was incorporated within the biopolymer nanofiber matrix through electrospinning. The release of DEX continued over a month, showing a slow releasing profile. HDPCs cultured on the DEX-releasing BGN matrices were viable, proliferating well up to 14 days. The odontogenic differentiation, as assessed by alkaline phosphatase activity, mRNA expression of genes, and mineralization, was significantly stimulated on the matrices incorporating BGN and further on those releasing DEX. The DEX-releasing BGN matrices highly upregulated the expression of the integrin subsets α1, α5, and β3 as well as integrin downstream signaling molecules, including focal adhesion kinase (FAK), Paxillin, and RhoA, and activated bone morphogenetic protein mRNA and phosphorylation of Smad1/5/8. Furthermore, the DEX-releasing BGN-matrices stimulated Akt and mammalian target of rapamycin (mTOR), which was proven by the inhibition study. Collectively, the designed therapeutic nanofiber matrices that incorporate BGN and deliver DEX were demonstrated to promote odontogenesis of HDPCs, and the integrins, bone morphogenetic protein, and mTOR signaling pathways are proposed to be the possible molecular mechanisms. While further in vivo studies are still needed, the DEX-releasing bioactive scaffolds are considered as a potential therapeutic nanomatrix for regenerative endodontics and tissue engineering.
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Affiliation(s)
- Hyun-Chang Lim
- Department of Periodontology, Kyung Hee University, Seoul, Republic of Korea
| | - Ok Hyung Nam
- Department of Pediatric Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Mi-joo Kim
- Department of Oral and Maxillofacial Pathology, Research Center for Tooth and Periodontal Regeneration (MRC), School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Ahmed El-Fiqi
- Department of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
| | - Hyung-Mun Yun
- Department of Oral and Maxillofacial Pathology, Research Center for Tooth and Periodontal Regeneration (MRC), School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Yoo-Mi Lee
- Department of Oral and Maxillofacial Pathology, Research Center for Tooth and Periodontal Regeneration (MRC), School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Guang-Zhen Jin
- Department of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
| | - Hae-Hyoung Lee
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
- Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, Republic of Korea
| | - Hae-Won Kim
- Department of Nanobiomedical Science, BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea
- Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
- Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, Republic of Korea
| | - Eun-Cheol Kim
- Department of Oral and Maxillofacial Pathology, Research Center for Tooth and Periodontal Regeneration (MRC), School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
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Li H, Sun S, Liu H, Chen H, Rong X, Lou J, Yang Y, Yang Y, Liu H. Use of a biological reactor and platelet-rich plasma for the construction of tissue-engineered bone to repair articular cartilage defects. Exp Ther Med 2016; 12:711-719. [PMID: 27446265 PMCID: PMC4950899 DOI: 10.3892/etm.2016.3380] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Accepted: 04/14/2016] [Indexed: 02/05/2023] Open
Abstract
Articular cartilage defects are a major clinical burden worldwide. Current methods to repair bone defects include bone autografts, allografts and external fixation. In recent years, the repair of bone defects by tissue engineering has emerged as a promising approach. The present study aimed to assess a novel method using a biological reactor with platelet-rich plasma to construct tissue-engineered bone. Beagle bone marrow mesenchymal stem cells (BMSCs) were isolated and differentiated into osteoblasts and chondroblasts using platelet-rich plasma and tricalcium phosphate scaffolds cultured in a bioreactor for 3 weeks. The cell scaffold composites were examined by scanning electron microscopy (SEM) and implanted into beagles with articular cartilage defects. The expression of osteogenic markers, alkaline phosphatase and bone γ-carboxyglutamate protein (BGLAP) were assessed using polymerase chain reaction after 3 months. Articular cartilage specimens were observed histologically. Adhesion and distribution of BMSCs on the β-tricalcium phosphate (β-TCP) scaffold were confirmed by SEM. Histological examination revealed that in vivo bone defects were largely repaired 12 weeks following implantation. The expression levels of alkaline phosphatase (ALP) and BGLAP in the experimental groups were significantly elevated compared with the negative controls. BMSCs may be optimum seed cells for tissue engineering in bone repair. Platelet-rich plasma (PRP) provides a rich source of cytokines to promote BMSC function. The β-TCP scaffold is advantageous for tissue engineering due to its biocompatibility and 3D structure that promotes cell adhesion, growth and differentiation. The tissue-engineered bone was constructed in a bioreactor using BMSCs, β-TCP scaffolds and PRP and displayed appropriate morphology and biological function. The present study provides an efficient method for the generation of tissue-engineered bone for cartilage repair, compared with previously used methods.
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Affiliation(s)
- Huibo Li
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Shui Sun
- Department of Orthopedics, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
| | - Haili Liu
- Department of Orthopedics, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, Shandong 250021, P.R. China
| | - Hua Chen
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Xin Rong
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Jigang Lou
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yunbei Yang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Yi Yang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
| | - Hao Liu
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P.R. China
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Kim TH, Singh RK, Kang MS, Kim JH, Kim HW. Gene delivery nanocarriers of bioactive glass with unique potential to load BMP2 plasmid DNA and to internalize into mesenchymal stem cells for osteogenesis and bone regeneration. NANOSCALE 2016; 8:8300-8311. [PMID: 27035682 DOI: 10.1039/c5nr07933k] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The recent development of bioactive glasses with nanoscale morphologies has spurred their specific applications in bone regeneration, for example as drug and gene delivery carriers. Bone engineering with stem cells genetically modified with this unique class of nanocarriers thus holds great promise in this avenue. Here we report the potential of the bioactive glass nanoparticle (BGN) system for the gene delivery of mesenchymal stem cells (MSCs) targeting bone. The composition of 15% Ca-added silica, proven to be bone-bioactive, was formulated into surface aminated mesoporous nanospheres with enlarged pore sizes, to effectively load and deliver bone morphogenetic protein-2 (BMP2) plasmid DNA. The enlarged mesopores were highly effective in loading BMP2-pDNA with an efficiency as high as 3.5 wt% (pDNA w.r.t. BGN), a level more than twice than for small-sized mesopores. The BGN nanocarriers released the genetic molecules in a highly sustained manner (for as long as 2 weeks). The BMP2-pDNA/BGN complexes were effectively internalized to rat MSCs with a cell uptake level of ∼73%, and the majority of cells were transfected to express the BMP2 protein. Subsequent osteogenesis of the transfected MSCs was demonstrated by the expression of bone-related genes, including bone sialoprotein, osteopontin, and osteocalcin. The MSCs transfected with BMP2-pDNA/BGN were locally delivered inside a collagen gel to the target calvarium defects. The results showed significantly improved bone regeneration, as evidenced by the micro-computed tomographic, histomorphometric and immunohistochemical analyses. This study supports the excellent capacity of the BGN system as a pDNA-delivery nanocarrier in MSCs, and the engineered system, BMP2-pDNA/BGN with MSCs, may be considered a new promising candidate to advance the therapeutic potential of stem cells through genetic modification, targeting bone defects and diseases.
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Affiliation(s)
- Tae-Hyun Kim
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, Republic of Korea. and Institute of Tissue Regeneration Engineering, Dankook University, Cheonan 330-714, Republic of Korea
| | - Rajendra K Singh
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, Republic of Korea. and Institute of Tissue Regeneration Engineering, Dankook University, Cheonan 330-714, Republic of Korea
| | - Min Sil Kang
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, Republic of Korea. and Institute of Tissue Regeneration Engineering, Dankook University, Cheonan 330-714, Republic of Korea
| | - Joong-Hyun Kim
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, Republic of Korea. and Institute of Tissue Regeneration Engineering, Dankook University, Cheonan 330-714, Republic of Korea
| | - Hae-Won Kim
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, Republic of Korea. and Institute of Tissue Regeneration Engineering, Dankook University, Cheonan 330-714, Republic of Korea and Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan 330-714, Republic of Korea
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Vichery C, Nedelec JM. Bioactive Glass Nanoparticles: From Synthesis to Materials Design for Biomedical Applications. MATERIALS (BASEL, SWITZERLAND) 2016; 9:E288. [PMID: 28773412 PMCID: PMC5502981 DOI: 10.3390/ma9040288] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 04/08/2016] [Accepted: 04/11/2016] [Indexed: 02/06/2023]
Abstract
Thanks to their high biocompatibility and bioactivity, bioactive glasses are very promising materials for soft and hard tissue repair and engineering. Because bioactivity and specific surface area intrinsically linked, the last decade has seen a focus on the development of highly porous and/or nano-sized materials. This review emphasizes the synthesis of bioactive glass nanoparticles and materials design strategies. The first part comprehensively covers mainly soft chemistry processes, which aim to obtain dispersible and monodispersed nanoparticles. The second part discusses the use of bioactive glass nanoparticles for medical applications, highlighting the design of materials. Mesoporous nanoparticles for drug delivery, injectable systems and scaffolds consisting of bioactive glass nanoparticles dispersed in a polymer, implant coatings and particle dispersions will be presented.
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Affiliation(s)
- Charlotte Vichery
- SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, BP 10448, Clermont-Ferrand F-63000, France.
- CNRS, UMR 6296, ICCF, Aubiere F-63178, France.
| | - Jean-Marie Nedelec
- SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, BP 10448, Clermont-Ferrand F-63000, France.
- CNRS, UMR 6296, ICCF, Aubiere F-63178, France.
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75
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Lee JH, Kang MS, Mahapatra C, Kim HW. Effect of Aminated Mesoporous Bioactive Glass Nanoparticles on the Differentiation of Dental Pulp Stem Cells. PLoS One 2016; 11:e0150727. [PMID: 26974668 PMCID: PMC4790939 DOI: 10.1371/journal.pone.0150727] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Accepted: 02/17/2016] [Indexed: 12/12/2022] Open
Abstract
Mesoporous bioactive nanoparticles (MBNs) have been developed as promising additives to various types of bone or dentin regenerative material. However, biofunctionality of MBNs as dentin regenerative additive to dental materials have rarely been studied. We investigated the uptake efficiency of MBNs-NH2 with their endocytosis pathway and the role of MBNs-NH2 in odontogenic differentiation to clarify inherent biofunctionality. MBNs were fabricated by sol-gel synthesis, and 3% APTES was used to aminate these nanoparticles (MBNs-NH2) to reverse their charge from negative to positive. To characterize the MBNs-NH2, TEM, XRD, FTIR, zeta(ξ)-potential measurements, and Brunauer-Emmett-Teller analysis were performed. After primary cultured rat dental pulp stem cells (rDPSCs) were incubated with various concentrations of MBNs-NH2, stem cell viability (24 hours) with or without differentiated media, internalization of MBNs-NH2 in rDPSCs (~4 hours) via specific endocytosis pathway, intra or extracellular ion concentration and odontoblastic differentiation (~28 days) were investigated. Incubation with up to 50 μg/mL of MBNs-NH2 had no effect on rDPSCs viability with differentiated media (p>0.05). The internalization of MBNs-NH2 in rDPSCs was determined about 92% after 4 hours of incubation. Uptake was significantly decreased with ATP depletion and after 1 hour of pre-treatment with the inhibitor of macropinocytosis (p<0.05). There was significant increase of intracellular Ca and Si ion concentration in MBNs-NH2 treated cells compared to no-treated counterpart (p<0.05). The expression of odontogenic-related genes (BSP, COL1A, DMP-1, DSPP, and OCN) and the capacity for biomineralization (based on alkaline phosphatase activity and alizarin red staining) were significantly upregulated with MBNs-NH2. These results indicate that MBNs-NH2 induce odontogenic differentiation of rDPSCs and may serve as a potential dentin regenerative additive to dental material for promoting odontoblast differentiation.
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Affiliation(s)
- Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
| | - Min-Sil Kang
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research, Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
| | - Chinmaya Mahapatra
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research, Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 31116, Republic of Korea
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research, Center for Regenerative Medicine, Dankook University, Cheonan 31116, Republic of Korea
- Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan 31116, Republic of Korea
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76
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Popa AC, Stan GE, Besleaga C, Ion L, Maraloiu VA, Tulyaganov DU, Ferreira JMF. Submicrometer Hollow Bioglass Cones Deposited by Radio Frequency Magnetron Sputtering: Formation Mechanism, Properties, and Prospective Biomedical Applications. ACS APPLIED MATERIALS & INTERFACES 2016; 8:4357-4367. [PMID: 26836256 DOI: 10.1021/acsami.6b00606] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
This work reports on the unprecedented magnetron sputtering deposition of submicrometric hollow cones of bioactive glass at low temperature in the absence of any template or catalyst. The influence of sputtering conditions on the formation and development of bioglass cones was studied. It was shown that larger populations of well-developed cones could be achieved by increasing the argon sputtering pressure. A mechanism describing the growth of bioglass hollow cones is presented, offering the links for process control and reproducibility of the cone features. The composition, structure, and morphology of the as-synthesized hollow cones were investigated by energy dispersive spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), grazing incidence geometry X-ray diffraction (GIXRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM)-selected area electron diffraction (SAED). The in vitro biological performance, assessed by degradation tests (ISO 10993-14) and cytocompatibility assays (ISO 10993-5) in endothelial cell cultures, was excellent. This allied with resorbability and the unique morphological features make the submicrometer hollow cones interesting candidate material devices for focal transitory permeabilization of the blood-brain barrier in the treatment of carcinoma and neurodegenerative disorders.
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Affiliation(s)
- A C Popa
- National Institute of Materials Physics , 077125 Magurele, Ilfov, Romania
- Army Centre for Medical Research , 010195 Bucharest, Romania
| | - G E Stan
- National Institute of Materials Physics , 077125 Magurele, Ilfov, Romania
| | - C Besleaga
- National Institute of Materials Physics , 077125 Magurele, Ilfov, Romania
| | - L Ion
- University of Bucharest , Faculty of Physics, 077125 Magurele, Ilfov, Romania
| | - V A Maraloiu
- National Institute of Materials Physics , 077125 Magurele, Ilfov, Romania
| | - D U Tulyaganov
- Turin Polytechnic University in Tashkent , 100095 Tashkent, Uzbekistan
| | - J M F Ferreira
- Department of Materials and Ceramic Engineering, CICECO, University of Aveiro , 3810-193 Aveiro, Portugal
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77
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Inhibition of osteoclastogenesis through siRNA delivery with tunable mesoporous bioactive nanocarriers. Acta Biomater 2016; 29:352-364. [PMID: 26432439 DOI: 10.1016/j.actbio.2015.09.035] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 09/01/2015] [Accepted: 09/28/2015] [Indexed: 11/20/2022]
Abstract
Gene silencing through siRNA delivery has shown great promise for treating diseases and repairing damaged tissues, including bone. This report is the first to develop siRNA delivery system in the inhibition of osteoclastic functions which in turn can help turn-over bone mass increase in the diseases like osteoporosis. For this reason, biocompatible and degradable nanocarriers that can effectively load and deliver genetic molecules to target cells and tissues are being actively sought by researchers. In this study, mesoporous bioactive glass nanospheres (MBG), a novel unique biocompatible degradable inorganic nanocarrier, is introduced. Furthermore, siRNA was designed to function by inhibiting the expression of the receptor activator of nuclear factor kappa B (RANK) in order to suppress osteoclastogenesis. Amine-functionalized MBG were synthesized with tunable mesoporosities, showing a strong complexation with siRNA. An in vitro release profile indicated that the siRNA from the MBG was able to achieve a highly sustainable liberation for up to 4 days, confirming a temporary delivery system can be designed to function for that period of time. The intracellular uptake capacity of the complex siRNA(RANK)-MBG was recorded to be around 70%. Furthermore, the RANK-expressing cell population declined down to 29% due to the delivery of siRNA(RANK)-MBG (vs. 86% in control). The expression of osteoclastogenesis-related genes, including c-fos, cathepsin-K, tartrate-resistant acid phosphatase (TRAP), and nuclear factor of activated T-cells cytoplasmic 1 (NFATc1), was substantially down-regulated by the siRNA delivery system. This study reports for the first time on the use of a novel MBG delivery system for siRNA that aims to suppress osteoclastic actions. MBGs may be a potential gene delivery platform for hard tissue repair and disease treatment due to the collective results which indicate a high loading capacity, temporary release kinetics, high intracellular uptake rate, and sufficient gene silencing effects, together with the intrinsic beneficial properties like bone-bioactivity and degradability. STATEMENT OF SIGNIFICANCE This report is the first to develop siRNA delivery system of biocompatible and degradable nanocarriers made from a unique composition, i.e., mesoporous bioactive glass that can effectively load and deliver genetic molecules to osteoclastic cells. We proved through a series of studies that the biocompatible nanocarriers are effective for the delivery of siRNA in the inhibition of osteoclastic functions which thus might be considered as a nanocarrier platform to help turn-over bone mass increase in the diseases like osteoporosis.
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78
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Echazú MIA, Tuttolomondo MV, Foglia ML, Mebert AM, Alvarez GS, Desimone MF. Advances in collagen, chitosan and silica biomaterials for oral tissue regeneration: from basics to clinical trials. J Mater Chem B 2016; 4:6913-6929. [DOI: 10.1039/c6tb02108e] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Different materials have distinct surface and bulk characteristics; each of them potentially useful for the treatment of a particular wound or disease.
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Affiliation(s)
- Maria Inés Alvarez Echazú
- Universidad de Buenos Aires
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA)
- Facultad de Farmacia y Bioquímica
- Ciudad Autónoma de Buenos Aires
- Argentina
| | - Maria Victoria Tuttolomondo
- Universidad de Buenos Aires
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA)
- Facultad de Farmacia y Bioquímica
- Ciudad Autónoma de Buenos Aires
- Argentina
| | - Maria Lucia Foglia
- Universidad de Buenos Aires
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA)
- Facultad de Farmacia y Bioquímica
- Ciudad Autónoma de Buenos Aires
- Argentina
| | - Andrea Mathilde Mebert
- Universidad de Buenos Aires
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA)
- Facultad de Farmacia y Bioquímica
- Ciudad Autónoma de Buenos Aires
- Argentina
| | - Gisela Solange Alvarez
- Universidad de Buenos Aires
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA)
- Facultad de Farmacia y Bioquímica
- Ciudad Autónoma de Buenos Aires
- Argentina
| | - Martin Federico Desimone
- Universidad de Buenos Aires
- Instituto de Química y Metabolismo del Fármaco (IQUIMEFA)
- Facultad de Farmacia y Bioquímica
- Ciudad Autónoma de Buenos Aires
- Argentina
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79
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Cui N, Qian J, Wang J, Wang Y, Xu W, Wang H. Physicochemical properties and biocompatibility of PZL/PLGA/bioglass composite scaffolds for bone tissue engineering. RSC Adv 2016. [DOI: 10.1039/c6ra20781b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Foamy poly(Nε-Cbz-l-lysine)/poly(lactic-co-glycolic acid)/bioglass composite scaffolds had appropriate physicochemical properties, good biomineralization ability, excellent cytocompatibility and histocompatibility, and desirable osteogenic ability.
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Affiliation(s)
- Ning Cui
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Junmin Qian
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Jinlei Wang
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Yaping Wang
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Weijun Xu
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Hongjie Wang
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
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80
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Cui N, Qian J, Wang J, Ji C, Xu W, Wang H. Preparation and characterization of foamy poly(γ-benzyl-l-glutamate-co-l-phenylalanine)/bioglass composite scaffolds for bone tissue engineering. RSC Adv 2016. [DOI: 10.1039/c6ra04356a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Novel foamy scaffolds of poly(γ-benzyl-l-glutamate) and poly(γ-benzyl-l-glutamate-co-l-phenylalanine) were fabricated via a combination of a sintered NaCl templating method and ring-opening polymerization of α-amino acid N-carboxyanhydrides.
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Affiliation(s)
- Ning Cui
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Junmin Qian
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Jinlei Wang
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Chuanlei Ji
- The Orthopaedic Department
- Xi Jing Hospital Affiliated to the Fourth Military Medical University
- Xi'an 710032
- China
| | - Weijun Xu
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
| | - Hongjie Wang
- State Key Laboratory for Mechanical Behavior of Materials
- Xi'an Jiaotong University
- Xi'an 710049
- China
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81
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LEE JH, SEO SJ, KIM HW. Bioactive glass-based nanocomposites for personalized dental tissue regeneration. Dent Mater J 2016; 35:710-720. [DOI: 10.4012/dmj.2015-428] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Jung-Hwan LEE
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University
| | - Seog-Jin SEO
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University
- Department of Nanobiomedical Science, Dankook University
| | - Hae-Won KIM
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University
- Department of Nanobiomedical Science, Dankook University
- BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University
- Department of Biomaterials Science, College of Dentistry, Dankook University
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82
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Balmayor ER. Targeted delivery as key for the success of small osteoinductive molecules. Adv Drug Deliv Rev 2015; 94:13-27. [PMID: 25959428 DOI: 10.1016/j.addr.2015.04.022] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 04/20/2015] [Accepted: 04/29/2015] [Indexed: 02/08/2023]
Abstract
Molecules such as growth factors, peptides and small molecules can guide cellular behavior and are thus important for tissue engineering. They are rapidly emerging as promising compounds for the regeneration of tissues of the musculoskeletal system. Growth factors have disadvantages such as high cost, short half-life, supraphysiological amounts needed, etc. Therefore, small molecules may be an alternative. These molecules have been discovered using high throughput screening. Small osteoinductive molecules exhibit several advantages over growth factors owing to their small sizes, such as high stability and non-immunogenicity. These molecules may stimulate directly signaling pathways that are important for osteogenesis. However, systemic application doesn't induce osteogenesis in most cases. Therefore, local administration is needed. This may be achieved by using a bone graft material providing additional osteoconductive properties. These graft materials can also act by themselves as a delivery matrix for targeted and local delivery. Furthermore, vascularization is necessary in the process of osteogenesis. Many of the small molecules are also capable of promoting vascularization of the tissue to be regenerated. Thus, in this review, special attention is given to molecules that are capable of inducing both angiogenesis and osteogenesis simultaneously. Finally, more recent preclinical and clinical uses in bone regeneration of those molecules are described, highlighting the needs for the clinical translation of these promising compounds.
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83
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Controlled release of drugs in electrosprayed nanoparticles for bone tissue engineering. Adv Drug Deliv Rev 2015; 94:77-95. [PMID: 26415888 DOI: 10.1016/j.addr.2015.09.007] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Revised: 08/28/2015] [Accepted: 09/18/2015] [Indexed: 12/17/2022]
Abstract
Generating porous topographic substrates, by mimicking the native extracellular matrix (ECM) to promote the regeneration of damaged bone tissues, is a challenging process. Generally, scaffolds developed for bone tissue regeneration support bone cell growth and induce bone-forming cells by natural proteins and growth factors. Limitations are often associated with these approaches such as improper scaffold stability, and insufficient cell adhesion, proliferation, differentiation, and mineralization with less growth factor expression. Therefore, the use of engineered nanoparticles has been rapidly increasing in bone tissue engineering (BTE) applications. The electrospray technique is advantageous over other conventional methods as it generates nanomaterials of particle sizes in the micro/nanoscale range. The size and charge of the particles are controlled by regulating the polymer solution flow rate and electric voltage. The unique properties of nanoparticles such as large surface area-to-volume ratio, small size, and higher reactivity make them promising candidates in the field of biomedical engineering. These nanomaterials are extensively used as therapeutic agents and for drug delivery, mimicking ECM, and restoring and improving the functions of damaged organs. The controlled and sustained release of encapsulated drugs, proteins, vaccines, growth factors, cells, and nucleotides from nanoparticles has been well developed in nanomedicine. This review provides an insight into the preparation of nanoparticles by electrospraying technique and illustrates the use of nanoparticles in drug delivery for promoting bone tissue regeneration.
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84
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Li X, Zhang Q, Ahmad Z, Huang J, Ren Z, Weng W, Han G, Mao C. Near-infrared luminescent CaTiO 3:Nd 3+ nanofibers with tunable and trackable drug release kinetics. J Mater Chem B 2015; 3:7449-7456. [PMID: 27398215 PMCID: PMC4934121 DOI: 10.1039/c5tb01158b] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
750-850 nm (NIR I) and 1000-1400 nm (NIR II) in the near infrared (NIR) spectra are two windows of optical transparency for biological tissues with the latter capable of penetrating tissue deeper. Monitoring drug release from the drug carrier is still a daunting challenge in the field of nanomedicine. To overcome such a challenge, we propose to use porous Nd3+-doped CaTiO3 nanofibers, which can be excited by NIR I to emit NIR II light, to carry drugs to test the concept of monitoring drug release from the nanofibers by detecting the NIR II emission intensity. Towards this end, we first used electrospinning to prepare porous Nd3+-doped CaTiO3 nanofibers by adding micelle-forming surfactant Pluronic F127, followed by annealing to remove the organic component. After a model drug, ibuprofen, was loaded into the porous nanofibers, the drug release from the nanofibers into the phosphate buffered saline (PBS) solution was monitored by detecting the NIR II emission from the nanofibers. We found that the release of the drug molecules from the nanofibers into the PBS solution triggers the quenching of NIR II emission by the hydroxyl groups in the surrounding media. Consequently, more drug release corresponded to more reduction in the intensity of the NIR II emission, allowing us to monitor the drug release by simply detecting the intensity of NIR II from the nanofibers. In addition, we demonstrated that tuning the amount of micelle-forming surfactant Pluronic F127 enabled us to tune the porosity of the nanofibers and thus the drug release kinetics. This study suggests that Nd3+ doped CaTiO3 nanostructures can serve as a promising drug delivery platform with the potential to monitor drug release kinetics by detecting the tissue-penetrating NIR emission.
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Affiliation(s)
- Xiang Li
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Qiuhong Zhang
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Zeeshan Ahmad
- Leicester School of Pharmacy, De Montfort University, Leicester, LE1 9BH, UK
| | - Jie Huang
- Department of Mechanical Engineering, University College London, London, WC1E 7JE, UK
| | - Zhaohui Ren
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Wenjian Weng
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Gaorong Han
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Chuanbin Mao
- State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China
- Department of Chemistry & Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, 101 Stephenson Parkway, Norman, Oklahoma, 73019-5300, USA
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85
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Singh RK, Jin GZ, Mahapatra C, Patel KD, Chrzanowski W, Kim HW. Mesoporous silica-layered biopolymer hybrid nanofibrous scaffold: a novel nanobiomatrix platform for therapeutics delivery and bone regeneration. ACS APPLIED MATERIALS & INTERFACES 2015; 7:8088-8098. [PMID: 25768431 DOI: 10.1021/acsami.5b00692] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Nanoscale scaffolds that characterize high bioactivity and the ability to deliver biomolecules provide a 3D microenvironment that controls and stimulates desired cellular responses and subsequent tissue reaction. Herein novel nanofibrous hybrid scaffolds of polycaprolactone shelled with mesoporous silica (PCL@MS) were developed. In this hybrid system, the silica shell provides an active biointerface, while the 3D nanoscale fibrous structure provides cell-stimulating matrix cues suitable for bone regeneration. The electrospun PCL nanofibers were coated with MS at controlled thicknesses via a sol-gel approach. The MS shell improved surface wettability and ionic reactions, involving substantial formation of bone-like mineral apatite in body-simulated medium. The MS-layered hybrid nanofibers showed a significant improvement in mechanical properties, in terms of both tensile strength and elastic modulus, as well as in nanomechanical surface behavior, which is favorable for hard tissue repair. Attachment, growth, and proliferation of rat mesenchymal stem cells were significantly improved on the hybrid scaffolds, and their osteogenic differentiation and subsequent mineralization were highly up-regulated by the hybrid scaffolds. Furthermore, the mesoporous surface of the hybrid scaffolds enabled the loading of a series of bioactive molecules, including small drugs and proteins at high levels. The release of these molecules was sustainable over a long-term period, indicating the capability of the hybrid scaffolds to deliver therapeutic molecules. Taken together, the multifunctional hybrid nanofibrous scaffolds are considered to be promising therapeutic platforms for stimulating stem cells and for the repair and regeneration of bone.
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Affiliation(s)
| | | | | | | | - Wojciech Chrzanowski
- §The Faculty of Pharmacy, The University of Sydney, Sydney, New South Wales 2006, Australia
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