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Liguori A, Zhao J, Di Gesù R, De Marco R, Gualandi C, Calonghi N, Pollicino A, Gentilucci L, Focarete ML. Peptide direct growth on poly(acrylic acid)/poly(vinyl alcohol) electrospun fibers coated with branched poly(ethylenimine): A solid-phase approach for scaffolds biofunctionalization. Colloids Surf B Biointerfaces 2024; 241:114052. [PMID: 38917667 DOI: 10.1016/j.colsurfb.2024.114052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 06/03/2024] [Accepted: 06/19/2024] [Indexed: 06/27/2024]
Abstract
Due to their resemblance to the fibrillar structure of the extracellular matrix, electrospun nanofibrous meshes are currently used as porous and mechanically stable scaffolds for cell culture. In this study, we propose an innovative methodology for growing peptide sequences directly onto the surface of electrospun nanofibers. To achieve this, electrospun fibers were produced from a poly(acrylic acid)/poly(vinyl alcohol) blend that was thermally crosslinked and subjected to a covalent coating of branched poly(ethylenimine). The exposed amino functionalities on the fiber surface were then used for the direct solid-phase synthesis of the RGD peptide sequence. In contrast to established strategies, mainly involving the grafting of pre-synthesized peptides onto the polymer chains before electrospinning or onto the nanofibers surface, this method allows for the concurrent synthesis and anchoring of peptides to the substrate, with potential applications in combinatorial chemistry. The incorporation of this integrin-binding motive significantly enhanced the nanofibers' ability to capture human cervical carcinoma (HeLa) cells, selected as a proof of concept to assess the functionalities of the developed material.
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Affiliation(s)
- Anna Liguori
- Department of Chemistry "G. Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, Bologna 40126, Italy
| | - Junwei Zhao
- Department of Chemistry "G. Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, Bologna 40126, Italy
| | - Roberto Di Gesù
- Department of Chemistry "G. Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, Bologna 40126, Italy; Ri.MED Foundation, Bandiera st. 11, Palermo 90133, Italy
| | - Rossella De Marco
- Department of Chemistry "G. Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, Bologna 40126, Italy
| | - Chiara Gualandi
- Department of Chemistry "G. Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, Bologna 40126, Italy; Interdepartmental Center for Industrial Research on Advanced Applications in Mechanical Engineering and Materials Technology, CIRI-MAM, University of Bologna, Viale Risorgimento, 2, Bologna 40136, Italy
| | - Natalia Calonghi
- Department of Pharmacy and Biotechnology, University of Bologna, via Irnerio 48, Bologna 40126, Italy
| | - Antonino Pollicino
- Department of Civil Engineering and Architecture, University of Catania, via S. Sofia 64, Catania 95125, Italy
| | - Luca Gentilucci
- Department of Chemistry "G. Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, Bologna 40126, Italy; Health Sciences & Technologies (HST) CIRI, University of Bologna, Via Tolara di Sopra 41/E, Ozzano Emilia Bologna 40064, Italy.
| | - Maria Letizia Focarete
- Department of Chemistry "G. Ciamician" and INSTM UdR of Bologna, University of Bologna, via Selmi 2, Bologna 40126, Italy; Health Sciences & Technologies (HST) CIRI, University of Bologna, Via Tolara di Sopra 41/E, Ozzano Emilia Bologna 40064, Italy.
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2
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Krukiewicz K, Contessotto P, Nedjari S, Martino MM, Redenski I, Gabet Y, Speranza G, O'Brien T, Altankov G, Awaja F. Clinical potential of plasma-functionalized graphene oxide ultrathin sheets for bone and blood vessel regeneration: Insights from cellular and animal models. BIOMATERIALS ADVANCES 2024; 161:213867. [PMID: 38669824 DOI: 10.1016/j.bioadv.2024.213867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 04/01/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024]
Abstract
Graphene and graphene oxide (GO), due to their unique chemical and physical properties, possess biochemical characteristics that can trigger intercellular signals promoting tissue regeneration. Clinical applications of thin GO-derived sheets have inspired the development of various tissue regeneration and repair approaches. In this study, we demonstrate that ultrathin sheets of plasma-functionalized and reduced GO, with the oxygen content ranging from 3.2 % to 22 % and the nitrogen content from 0 % to 8.3 %, retain their essential mechanical and molecular integrity, and exhibit robust potential for regenerating bone tissue and blood vessels across multiple cellular and animal models. Initially, we observed the growth of blood vessels and bone tissue in vitro using these functionalized GO sheets on human adipose-derived mesenchymal stem cells and umbilical vein endothelial cells. Remarkably, our study indicates a 2.5-fold increase in mineralization and two-fold increase in tubule formation even in media lacking osteogenic and angiogenic supplements. Subsequently, we observed the initiation, conduction, and formation of bone and blood vessels in a rat tibial osteotomy model, evident from a marked 4-fold increase in the volume of low radio-opacity bone tissue and a significant elevation in connectivity density, all without the use of stem cells or growth factors. Finally, we validated these findings in a mouse critical-size calvarial defect model (33 % higher healing rate) and a rat skin lesion model (up to 2.5-fold increase in the number of blood vessels, and 35 % increase in blood vessels diameter). This study elucidates the pro-osteogenic and pro-angiogenic properties of both pristine and plasma-treated GO ultrathin films. These properties suggest their significant potential for clinical applications, and as valuable biomaterials for investigating fundamental aspects of bone and blood vessel regeneration.
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Affiliation(s)
- Katarzyna Krukiewicz
- Department of Physical Chemistry and Technology of Polymers, Silesian University of Technology, Gliwice, Poland; Centre for Organic and Nanohybrid Electronics, Silesian University of Technology, Gliwice, Poland.
| | - Paolo Contessotto
- Department of Molecular Medicine, Università degli Studi di Padova, Padua, Italy.
| | - Salima Nedjari
- Molecular Dynamics at Cell-Biomaterial Interface, Institute for Bioengineering of Catalonia, Barcelona, Spain
| | - Mikaël M Martino
- European Molecular Biology Laboratory Australia, Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia.
| | - Idan Redenski
- Department of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel
| | - Yankel Gabet
- Department of Anatomy and Anthropology, Faculty of Medical and Health Sciences, Tel-Aviv University, Tel-Aviv, Israel.
| | | | - Timothy O'Brien
- Centre for Research in Medical Devices, University of Galway, Galway, Ireland.
| | - George Altankov
- ICREA & Institute for Bioengineering of Catalonia, Barcelona, Spain; Medical University Pleven, Bulgaria
| | - Firas Awaja
- Department of Medicine, University of Galway, Galway, Ireland; Engmat Ltd., Clybaun Road, Galway, Ireland.
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3
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Aouabdi S, Nedjadi T, Alsiary R, Mouffouk F, Ansari HR. Transcriptomics Demonstrates Significant Biological Effect of Growing Stem Cells on RGD-Cotton Scaffold. Tissue Eng Part A 2024. [PMID: 38666698 DOI: 10.1089/ten.tea.2023.0333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2024] Open
Abstract
Stem cell therapy provides a viable alternative treatment for degenerated or damaged tissue. Stem cells have been used either alone or in conjunction with an artificial scaffold. The latter provides a structural advantage by enabling the cells to thrive in three-dimensional (3D) settings, closely resembling the natural in vivo environments. Previously, we disclosed the development of a 3D scaffold made from cotton, which was conjugated with arginyl-glycyl-aspartic acid (RGD), to facilitate the growth and proliferation of mesenchymal stem cells (MSCs). This scaffold allowed the MSCs to adhere and proliferate without compromising their viability or their stem cell markers. A comprehensive analysis investigation of the molecular changes occurring in MSCs adhering to the cotton fibers will contribute to the advancement of therapy. The objective of this study is to analyze the molecular processes occurring in the growth of MSCs on a cotton-RGD conjugated-based scaffold by examining their gene expression profiles. To achieve this, we conducted an experiment where MSCs were seeded with and without the scaffold for a duration of 48 h. Subsequently, cells were collected for RNA extraction, cDNA synthesis, and whole-transcriptomic analysis performed on both populations. Our analysis revealed several upregulated and downregulated differently expressed genes in the MSCs adhering to the scaffold compared with the control cells. Through gene ontology analysis, we were able to identify enriched biological processes, molecular functions, pathways, and protein-protein interactions in these differentially expressed genes. Our data suggest that the scaffold may have the potential to enhance osteogenesis in the MSCs. Furthermore, our results indicate that the scaffold does not induce oxidative stress, inflammation, or aging in the MSCs. These findings provide valuable insights for the application of MSCs in tissue engineering and regenerative medicine.
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Affiliation(s)
- Sihem Aouabdi
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Taoufik Nedjadi
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Rawiah Alsiary
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Fouzi Mouffouk
- Department of Chemistry, Kuwait University, Kuwait, Kuwait
| | - Hifzur Rahman Ansari
- King Abdullah International Medical Research Center, Jeddah, Saudi Arabia
- King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
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Haitao X, Siyuan L, Sutong G, Yu G, Peirong X, Ling W, Yujian D, Dehong F. Preparation of Cu 2+/TA/HAP composite coating with anti-bacterial and osteogenic potential on 3D-printed porous Ti alloy scaffolds for orthopedic applications. Open Life Sci 2024; 19:20220826. [PMID: 38465344 PMCID: PMC10921476 DOI: 10.1515/biol-2022-0826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 12/16/2023] [Accepted: 12/20/2023] [Indexed: 03/12/2024] Open
Abstract
Because of stress shielding effects, traditional titanium (Ti) alloy scaffolds have a high elastic modulus, which might promote looseness and bone disintegration surrounding the implant, increasing the likelihood of a second surgery. In contrast, 3D-printed porous Ti alloy scaffolds can reduce the scaffold weight while enhancing biocompatibility. Further, these scaffolds' porous nature allows bone tissue ingrowth as well as strong pore connectivity, which can improve nutrient absorption. Nevertheless, bare Ti alloy implants may fail because of inadequate bone integration; hence, adding a coating on the implant surface is an effective technique for improving implant stability. In this study, a composite coating comprising hydroxyapatite (HAP), chitosan (CS), tannic acid (TA) and copper ions (Cu2+) (Cu2+/TA/HAP composite coating) was prepared on the surface of 3D printed porous Ti alloy scaffolds using electrophoretic deposition. Using the standard plate count method, Live/Dead bacteria staining assay, FITC Phalloidin and 4',6-diamidino-2-phenylindole staining assay, and live/dead staining of cells we determined that the composite coating has better antibacterial properties and cytocompatibility as well as lower cytotoxicity. The Alkaline Phosphatase assay revealed that the coating results showed good osteogenesis potential. Overall, the composite coatings produced in this investigation give new potential for the application of Ti alloys in clinics.
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Affiliation(s)
- Xu Haitao
- Wuxi People’s Hospital of Nanjing Medical University, Wuxi214000, Jiangsu, China
| | - Li Siyuan
- School of Chemical and Material Engineering, Jiangnan University, Wuxi214000, Jiangsu, China
| | - Guo Sutong
- Wuxi People’s Hospital of Nanjing Medical University, Wuxi214000, Jiangsu, China
| | - Guo Yu
- Wuxi People’s Hospital of Nanjing Medical University, Wuxi214000, Jiangsu, China
| | - Xu Peirong
- Wuxi No. 5 People’s Hospital, Wuxi214000, Jiangsu, China
| | - Wang Ling
- Wuxi People’s Hospital of Nanjing Medical University, Wuxi214000, Jiangsu, China
| | - Ding Yujian
- Wuxi People’s Hospital of Nanjing Medical University, Wuxi214000, Jiangsu, China
| | - Feng Dehong
- Wuxi People’s Hospital of Nanjing Medical University, Wuxi214000, Jiangsu, China
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5
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Thede AT, Tang JD, Cocker CE, Harold LJ, Amelung CD, Kittel AR, Taylor PA, Lampe KJ. Effects of Cell-Adhesive Ligand Presentation on Pentapeptide Supramolecular Assembly and Gelation: Simulations and Experiments. Cells Tissues Organs 2023; 212:468-483. [PMID: 37751723 DOI: 10.1159/000534280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 09/21/2023] [Indexed: 09/28/2023] Open
Abstract
The extracellular matrix (ECM) is a complex, hierarchical material containing structural and bioactive components. This complexity makes decoupling the effects of biomechanical properties and cell-matrix interactions difficult, especially when studying cellular processes in a 3D environment. Matrix mechanics and cell adhesion are both known regulators of specific cellular processes such as stem cell proliferation and differentiation. However, more information is required about how such variables impact various neural lineages that could, upon transplantation, therapeutically improve neural function after a central nervous system injury or disease. Rapidly Assembling Pentapeptides for Injectable Delivery (RAPID) hydrogels are one biomaterial approach to meet these goals, consisting of a family of peptide sequences that assemble into physical hydrogels in physiological media. In this study, we studied our previously reported supramolecularly-assembling RAPID hydrogels functionalized with the ECM-derived cell-adhesive peptide ligands RGD, IKVAV, and YIGSR. Using molecular dynamics simulations and experimental rheology, we demonstrated that these integrin-binding ligands at physiological concentrations (3-12 mm) did not impact the assembly of the KYFIL peptide system. In simulations, molecular measures of assembly such as hydrogen bonding and pi-pi interactions appeared unaffected by cell-adhesion sequence or concentration. Visualizations of clustering and analysis of solvent-accessible surface area indicated that the integrin-binding domains remained exposed. KYFIL or AYFIL hydrogels containing 3 mm of integrin-binding domains resulted in mechanical properties consistent with their non-functionalized equivalents. This strategy of doping RAPID gels with cell-adhesion sequences allows for the precise tuning of peptide ligand concentration, independent of the rheological properties. The controllability of the RAPID hydrogel system provides an opportunity to investigate the effect of integrin-binding interactions on encapsulated neural cells to discern how hydrogel microenvironment impacts growth, maturation, or differentiation.
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Affiliation(s)
- Andrew T Thede
- University of Virginia Biomedical Engineering, Charlottesville, Virginia, USA
| | - James D Tang
- University of Virginia Chemical Engineering, Charlottesville, Virginia, USA
| | - Clare E Cocker
- University of Virginia Chemical Engineering, Charlottesville, Virginia, USA
| | - Liza J Harold
- University of Virginia Biomedical Engineering, Charlottesville, Virginia, USA
| | - Connor D Amelung
- University of Virginia Biomedical Engineering, Charlottesville, Virginia, USA
| | - Anna R Kittel
- University of Virginia Biomedical Engineering, Charlottesville, Virginia, USA
| | - Phillip A Taylor
- University of Virginia Chemical Engineering, Charlottesville, Virginia, USA
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Fadeeva IS, Teterina AY, Minaychev VV, Senotov AS, Smirnov IV, Fadeev RS, Smirnova PV, Menukhov VO, Lomovskaya YV, Akatov VS, Barinov SM, Komlev VS. Biomimetic Remineralized Three-Dimensional Collagen Bone Matrices with an Enhanced Osteostimulating Effect. Biomimetics (Basel) 2023; 8:biomimetics8010091. [PMID: 36975321 PMCID: PMC10046016 DOI: 10.3390/biomimetics8010091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/13/2023] [Accepted: 02/21/2023] [Indexed: 02/25/2023] Open
Abstract
Bone grafts with a high potential for osseointegration, capable of providing a complete and effective regeneration of bone tissue, remain an urgent and unresolved issue. The presented work proposes an approach to develop composite biomimetic bone material for reconstructive surgery by deposition (remineralization) on the surface of high-purity, demineralized bone collagen matrix calcium phosphate layers. Histological and elemental analysis have shown reproduction of the bone tissue matrix architectonics, and a high-purity degree of the obtained collagen scaffolds; the cell culture and confocal microscopy have demonstrated a high biocompatibility of the materials obtained. Adsorption spectroscopy, scanning electron microscopy, microcomputed tomography (microCT) and infrared spectroscopy, and X-ray diffraction have proven the efficiency of the deposition of calcium phosphates on the surface of bone collagen scaffolds. Cell culture and confocal microscopy methods have shown high biocompatibility of both demineralized and remineralized bone matrices. In the model of heterotopic implantation in rats, at the term of seven weeks, an intensive intratrabecular infiltration of calcium phosphate precipitates, and a pronounced synthetic activity of osteoblast remodeling and rebuilding implanted materials, were revealed in remineralized bone collagen matrices in contrast to demineralized ones. Thus, remineralization of highly purified demineralized bone matrices significantly enhanced their osteostimulating ability. The data obtained are of interest for the creation of new highly effective osteoplastic materials for bone tissue regeneration and augmentation.
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Affiliation(s)
- Irina S. Fadeeva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskiy Prospect 49, Moscow 117334, Russia
- Correspondence: (I.S.F.); (A.Y.T.); (V.S.K.)
| | - Anastasia Yu. Teterina
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskiy Prospect 49, Moscow 117334, Russia
- Correspondence: (I.S.F.); (A.Y.T.); (V.S.K.)
| | - Vladislav V. Minaychev
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskiy Prospect 49, Moscow 117334, Russia
| | - Anatoliy S. Senotov
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Igor V. Smirnov
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskiy Prospect 49, Moscow 117334, Russia
| | - Roman S. Fadeev
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Polina V. Smirnova
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskiy Prospect 49, Moscow 117334, Russia
| | - Vladislav O. Menukhov
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Yana V. Lomovskaya
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Vladimir S. Akatov
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Sergey M. Barinov
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskiy Prospect 49, Moscow 117334, Russia
| | - Vladimir S. Komlev
- Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskiy Prospect 49, Moscow 117334, Russia
- Correspondence: (I.S.F.); (A.Y.T.); (V.S.K.)
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7
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Muñoz-Vazquez J, Chavez-Granados PA, Hernandez-Gomez G, Scougall-Vilchis RJ, Hiroshi S, Garcia-Contreras R. Effects of Nitrurized Titanium on Microhardness and Human Dental Pulp Stem Cell Adhesion and Differentiation. J Long Term Eff Med Implants 2023; 33:31-39. [PMID: 36734925 DOI: 10.1615/jlongtermeffmedimplants.2022044424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
To compare the Vickers microhardness, surface roughness, initial adhesion, and osteogenic differentiation on titanium (Ti) and nitrurized titanium (NTi) plates were treated by UV irradiation and chitosan. Each plate was subjected to Vickers hardness with a pressure of 2.9 N for 10 seconds and roughness evaluation by atomic force microscope (AFM) analysis. Three groups of each type of plates were tested: control (C), ultraviolet irradiation (UV), and chitosan (Q). The UV group was exposed to UV-irradiation for 20 min at 253.7 nm (52 μW/cm2). The Q group was coated with 1% chitosan, and the C group had no treatment. The osteoblasts (2 × 106 cells/mL) were inoculated in each group for 60 min and their viability was determined by the MTT bioassay. Osteogenic differentiation was performed over 4 weeks and determined by alizarin red staining. The mean was analyzed with the Shapiro-Wilks, Kruskall-Wallis, and Mann-Whitney U tests of normality (n = 9/gp). The NTi plates hardness (125.1 ± 4.01 HV) was higher (P = 0.026) than the Ti plates (121.3 ± 2.23 HV). The surface topography was: NTi (Ra = 0.098 μm) and Ti (Ra = 0.212 μm). The quantification of cell adhesion was: Ti + Q = 123 ± 4.9% (P < 0.05) < NTi + Q = 107 ± 3.3% < Ti = 100 ± 10.7% < NTi = 72 ± 6.8% < NTi + UV = 71 ± 4.4% < Ti + UV = 69 ± 3.5%, regardless the plates, the presence of chitosan induce a faster osteogenic differentiation. The Ti + Q plates tested the highest cell attachment and osteogenic adhesion suggesting their potential use of chitosan for cell-implant interaction.
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Affiliation(s)
- Jimena Muñoz-Vazquez
- Interdisciplinary Research Laboratory (LII), Nanostructures and Biomaterials Area, National School of Higher Studies (ENES) León Unit, Predio el Saucillo y el Potrero, Comunidad de los Tepetates, el Potrero, 37684 León, México
| | - Patricia Alejandra Chavez-Granados
- Interdisciplinary Research Laboratory (LII), Nanostructures and Biomaterials Area, National School of Higher Studies (ENES) León Unit, Predio el Saucillo y el Potrero, Comunidad de los Tepetates, el Potrero, 37684 León, México
| | - Gabriela Hernandez-Gomez
- Interdisciplinary Research Laboratory (LII), Nanostructures and Biomaterials Area, National School of Higher Studies (ENES) León Unit, Predio el Saucillo y el Potrero, Comunidad de los Tepetates, el Potrero, 37684 León, México; Periodontics and Oral implantology Area, National School of Higher Studies (ENES) León Unit, Predio el Saucillo y el Potrero, Comunidad de los Tepetates, el Potrero, 37684 León, México
| | - Rogelio Jose Scougall-Vilchis
- Centro de Investigación y Estudios Avanzados en Odontología (CIEAO), Facultad de Odontología, Universidad Autónoma del Estado de México, Toluca, Estado de México, México
| | - Sakagami Hiroshi
- Meikai University Research Institute of Odontology (M-RIO), Saitama, Japan
| | - Rene Garcia-Contreras
- Interdisciplinary Research Laboratory (LII), Nanostructures and Biomaterials Area, National School of Higher Studies (ENES) León Unit, Predio el Saucillo y el Potrero, Comunidad de los Tepetates, El Potrero, 37684 León, Mexico
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8
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Barik A, Kirtania MD. In-Vitro and In-Vivo Tracking of Cell-Biomaterial Interaction to Monitor the Process of Bone Regeneration. Regen Med 2023. [DOI: 10.1007/978-981-19-6008-6_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
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9
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Jung SY, Min BM. A vitronectin-derived dimeric peptide suppresses osteoclastogenesis by binding to c-Fms and inhibiting M-CSF signaling. Exp Cell Res 2022; 418:113252. [PMID: 35697077 DOI: 10.1016/j.yexcr.2022.113252] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 05/05/2022] [Accepted: 06/08/2022] [Indexed: 11/28/2022]
Abstract
Vitronectin is an abundant multifunctional glycoprotein found in serum, the extracellular matrix, and bone, and is involved in diverse physiological processes. Here, we developed a new bioactive dimeric peptide (VnP-8-DN1 dimer) from a human vitronectin-derived motif (IDAAFTRINCQG; residues 206-217; VnP-8) via removal of an isoleucine residue at the N-terminus of VnP-8 and spontaneous air oxidation. The VnP-8-DN1 dimer potently enhanced cell attachment activity, and this activity was mediated by binding to cellular heparan sulfate proteoglycan receptors. Moreover, the VnP-8-DN1 dimer suppressed osteoclast differentiation by blocking the early stage of osteoclastogenesis induced by macrophage colony-stimulating factor (M-CSF) and receptor activator of nuclear factor-κB ligand (RANKL). Furthermore, the VnP-8-DN1 dimer decreased the bone-resorbing activity of osteoclasts and increased the survival of osteoclast precursor cells by decreasing the cellular level of c-Fms and reducing RANK expression. Taken together, these results demonstrate that the VnP-8-DN1 dimer inhibits the early stages of M-CSF- and RANK-induced osteoclast differentiation by binding to c-Fms and inhibiting M-CSF signaling.
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Affiliation(s)
- Sung Youn Jung
- Department of Oral Biochemistry and Program in Cancer and Developmental Biology, Dental Research Institute, Seoul National University School of Dentistry, Seoul, 03080, Republic of Korea
| | - Byung-Moo Min
- Department of Oral Biochemistry and Program in Cancer and Developmental Biology, Dental Research Institute, Seoul National University School of Dentistry, Seoul, 03080, Republic of Korea.
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Into the Tissues: Extracellular Matrix and Its Artificial Substitutes: Cell Signalling Mechanisms. Cells 2022; 11:cells11050914. [PMID: 35269536 PMCID: PMC8909573 DOI: 10.3390/cells11050914] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/02/2022] [Accepted: 03/04/2022] [Indexed: 02/06/2023] Open
Abstract
The existence of orderly structures, such as tissues and organs is made possible by cell adhesion, i.e., the process by which cells attach to neighbouring cells and a supporting substance in the form of the extracellular matrix. The extracellular matrix is a three-dimensional structure composed of collagens, elastin, and various proteoglycans and glycoproteins. It is a storehouse for multiple signalling factors. Cells are informed of their correct connection to the matrix via receptors. Tissue disruption often prevents the natural reconstitution of the matrix. The use of appropriate implants is then required. This review is a compilation of crucial information on the structural and functional features of the extracellular matrix and the complex mechanisms of cell–cell connectivity. The possibilities of regenerating damaged tissues using an artificial matrix substitute are described, detailing the host response to the implant. An important issue is the surface properties of such an implant and the possibilities of their modification.
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An injectable self-assembling hydrogel based on RGD peptidomimetic β-sheets as multifunctional biomaterials. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 133:112633. [PMID: 35527136 DOI: 10.1016/j.msec.2021.112633] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/09/2021] [Accepted: 12/20/2021] [Indexed: 12/23/2022]
Abstract
Ability of the cells to adhere to an extracellular material is central to successful tissue genesis. Arg-Gly-Asp (RGD) sequences found in extracellular matrix proteins are well known for cell adhesion, however, enzymatic degradation and lack of specificity have limited their widespread use. Besides, a multifunctional material with inherent antimicrobial ability would help in invigorating the practical tissue engineering applications. Here, we report novel modified RGD (MR) and RGD mimic [R(K)] peptides (MOH and MNH2) which were synthesized post-in-silico screening, based on their interactions with integrin protein αVβ3 using HEX 8.0 docking server. These mimics, containing hydrophobic Phe-Phe (FF) moiety which has been specifically introduced to initiate the self-assembling process of β-sheet structures, were characterized thoroughly using various physicochemical and spectroscopic techniques. Under physiological conditions, these mimetics displayed thixotropic behavior rendering them highly suitable as injectable hydrogels having an added advantage of site-specific targeting abilities. Electron microscopy further revealed the formation of nanofibers upon self-assembly of these peptides. Besides, enhanced cell adhesiveness by these peptides compared to the commercial Poly l-lysine coated surfaces as well as the inherent antimicrobial potential against both sensitive and antibiotic-resistant pathogens (Methicillin-resistant Staphylococcus aureus and multi-drug resistant Salmonella enteritidis) substantiated the applicability of these unique injectable hydrogels wherein the porous fibrous framework offered a favorable environment for drug entrapment and 3D cell culture. Altogether, these properties render these novel RGD mimic peptides as promising multifunctional candidates for various tissue regenerative applications.
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Wang H, Yuan C, Lin K, Zhu R, Zhang S. Modifying a 3D-Printed Ti6Al4V Implant with Polydopamine Coating to Improve BMSCs Growth, Osteogenic Differentiation, and In Situ Osseointegration In Vivo. Front Bioeng Biotechnol 2021; 9:761911. [PMID: 34926418 PMCID: PMC8678591 DOI: 10.3389/fbioe.2021.761911] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 11/10/2021] [Indexed: 11/13/2022] Open
Abstract
Nowadays, 3D printing technology has been applied in dentistry to fabricate customized implants. However, the biological performance is unsatisfactory. Polydopamine (PDA) has been used to immobilize bioactive agents on implant surfaces to endow them with multiple properties, such as anti-infection and pro-osteogenesis, benefiting rapid osseointegration. Herein, we fabricated a PDA coating on a 3D-printed implant surface (3D-PDA) via the in situ polymerization method. Then the 3D-PDA implants' pro-osteogenesis capacity and the osseointegration performance were evaluated in comparison with the 3D group. The in vitro results revealed that the PDA coating modification increased the hydrophilicity of the implants, promoting the improvement of the adhesion, propagation, and osteogenic differentiation of bone marrow-derived mesenchymal stem cells (BMSCs) in vitro. Additionally, the 3D-PDA implant improved osteointegration performance in vivo. The present study suggested that PDA coating might be a feasible strategy to optimize 3D-printed implant surfaces, making a preliminary research basis for the subsequent work to immobilize bioactive factors on the 3D-printed implant surface.
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Affiliation(s)
- Hui Wang
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China
| | - Changyong Yuan
- School of Stomatology, Xuzhou Medical University, Xuzhou, China
| | - Kaili Lin
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China
| | - Rui Zhu
- Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, Orthopaedic Department of Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shilei Zhang
- Department of Oral and Cranio-Maxillofacial Surgery, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Shanghai, China
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13
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Peptide-modified substrate enhances cell migration and migrasome formation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112495. [PMID: 34857281 DOI: 10.1016/j.msec.2021.112495] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/06/2021] [Accepted: 10/13/2021] [Indexed: 12/13/2022]
Abstract
Extracellular vesicles (EVs) are cell-to-cell communication tools. Migrasomes are recently discovered microscale EVs formed at the rear ends of migrating cells, and thus are suggested to be involved in communicating with neighboring cells. In cell culture, peptide scaffolds on substrates have been used to demonstrate cellular function for regenerative medicine. In this study, we evaluated peptide scaffolds, including cell penetrating, virus fusion, and integrin-binding peptides, for their potential to enable the formation of migrasome-like vesicles. Through structural and functional analyses, we confirmed that the EVs formed on these peptide-modified substrates were migrasomes. We further noted that the peptide interface comprising cell-penetrating peptides (pVEC and R9) and virus fusion peptide (SIV) have superior properties for enabling cell migration and migrasome formation than fibronectin protein, integrin-binding peptide (RGD), or bare substrate. This is the first report of migrasome formation on peptide-modified substrates. Additionally, the combination of 95% RGD and 5% pVEC peptides provided a functional interface for effective migrasome formation and desorption of cells from the substrate via a simple ethylenediaminetetraacetic acid treatment. These results provide a functional substrate for the enhancement of migrasome formation and functional analysis.
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Sobierajska P, Nowak N, Rewak-Soroczynska J, Targonska S, Lewińska A, Grosman L, Wiglusz RJ. Investigation of topography effect on antibacterial properties and biocompatibility of nanohydroxyapatites activated with zinc and copper ions: In vitro study of colloids, hydrogel scaffolds and pellets. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 134:112547. [DOI: 10.1016/j.msec.2021.112547] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 10/19/2021] [Accepted: 11/08/2021] [Indexed: 12/30/2022]
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15
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Su X, Xian C, Gao M, Liu G, Wu J. Edible Materials in Tissue Regeneration. Macromol Biosci 2021; 21:e2100114. [PMID: 34117831 DOI: 10.1002/mabi.202100114] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 04/28/2021] [Indexed: 11/07/2022]
Abstract
Edible materials have attracted increasing attention because of their excellent properties including availability, biocompatibility, biological activity, and biodegradability. Natural polysaccharides, phenolic compounds, and proteins are widely used in tissue regeneration. To better characterize their healing effect, this review article describes the applications of edible materials in tissue regeneration including wound healing and bone tissue regeneration. As an introduction to the topic, their sources and main bioactive properties are discussed. Then, the mechanism by which they facilitate wound healing based on their hemostasis, antibacterial, anti-inflammatory, and antioxidant properties is systematically investigated. Moreover, a more comprehensive discussion is presented on the approaches by which edible materials can be used as scaffolds or agents for the provision of the components of natural bones for regulating the level of osteogenesis-related cytokines to enhance bone repair. Finally, the prospects of edible materials for tissue regeneration are discussed.
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Affiliation(s)
- Xiaohan Su
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen, 518057, China
| | - Caihong Xian
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen, 518057, China
| | - Ming Gao
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Guiting Liu
- The State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Chengdu, 610065, China
| | - Jun Wu
- School of Biomedical Engineering, Sun Yat-sen University, Shenzhen, 518057, China
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16
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Adhesion and proliferation of living cell on surface functionalized with glycine nanostructures. NANO SELECT 2021. [DOI: 10.1002/nano.202100043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Lupi SM, Torchia M, Rizzo S. Biochemical Modification of Titanium Oral Implants: Evidence from In Vivo Studies. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2798. [PMID: 34074006 PMCID: PMC8197372 DOI: 10.3390/ma14112798] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/02/2021] [Accepted: 05/19/2021] [Indexed: 12/29/2022]
Abstract
The discovery of osseointegration of titanium implants revolutionized the dental prosthesis field. Traditionally, implants have a surface that is processed by additive or subtractive techniques, which have positive effects on the osseointegration process by altering the topography. In the last decade, innovative implant surfaces have been developed, on which biologically active molecules have been immobilized with the aim of increasing stimulation at the implant-biological tissue interface, thus favoring the quality of osseointegration. Among these molecules, some are normally present in the human body, and the techniques for the immobilization of these molecules on the implant surface have been called Biochemical Modification of Titanium Surfaces (BMTiS). Different techniques have been described in order to immobilize those biomolecules on titanium implant surfaces. The aim of the present paper is to present evidence, available from in vivo studies, about the effects of biochemical modification of titanium oral implants on osseointegration.
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Bullock G, Atkinson J, Gentile P, Hatton P, Miller C. Osteogenic Peptides and Attachment Methods Determine Tissue Regeneration in Modified Bone Graft Substitutes. J Funct Biomater 2021; 12:22. [PMID: 33807267 PMCID: PMC8103284 DOI: 10.3390/jfb12020022] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/18/2021] [Accepted: 03/24/2021] [Indexed: 01/01/2023] Open
Abstract
The inclusion of biofunctional molecules with synthetic bone graft substitutes has the potential to enhance tissue regeneration during treatment of traumatic bone injuries. The clinical use of growth factors has though been associated with complications, some serious. The use of smaller, active peptides has the potential to overcome these problems and provide a cost-effective, safe route for the manufacture of enhanced bone graft substitutes. This review considers the design of peptide-enhanced bone graft substitutes, and how peptide selection and attachment method determine clinical efficacy. It was determined that covalent attachment may reduce the known risks associated with growth factor-loaded bone graft substitutes, providing a predictable tissue response and greater clinical efficacy. Peptide choice was found to be critical, but even within recognised families of biologically active peptides, the configurations that appeared to most closely mimic the biological molecules involved in natural bone healing processes were most potent. It was concluded that rational, evidence-based design of peptide-enhanced bone graft substitutes offers a pathway to clinical maturity in this highly promising field.
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Affiliation(s)
- George Bullock
- School of Clinical Dentistry, The University of Sheffield, Sheffield S10 2TA, UK; (G.B.); (J.A.); (C.M.)
| | - Joss Atkinson
- School of Clinical Dentistry, The University of Sheffield, Sheffield S10 2TA, UK; (G.B.); (J.A.); (C.M.)
| | - Piergiorgio Gentile
- School of Engineering, Newcastle University, Stephenson Building, Newcastle upon Tyne NE1 7RU, UK;
| | - Paul Hatton
- School of Clinical Dentistry, The University of Sheffield, Sheffield S10 2TA, UK; (G.B.); (J.A.); (C.M.)
| | - Cheryl Miller
- School of Clinical Dentistry, The University of Sheffield, Sheffield S10 2TA, UK; (G.B.); (J.A.); (C.M.)
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Hersh J, Broyles D, Capcha JMC, Dikici E, Shehadeh LA, Daunert S, Deo S. Peptide-Modified Biopolymers for Biomedical Applications. ACS APPLIED BIO MATERIALS 2021; 4:229-251. [PMID: 34250454 PMCID: PMC8267604 DOI: 10.1021/acsabm.0c01145] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Polymeric biomaterials have been used in a variety of applications, like cargo delivery and tissue scaffolding, because they are easily synthesized and can be adapted to many systems. However, there is still a need to further enhance and improve their functions to progress their use in the biomedical field. A promising solution is to modify the polymer surfaces with peptides that can increase biocompatibility, cellular interactions, and receptor targeting. In recent years, peptide modifications have been used to overcome many challenges to polymer biomaterial development. This review discusses recent progress in developing peptide-modified polymers for therapeutic applications including cell-specific targeting and tissue engineering. Furthermore, we will explore some of the most frequently studied base components of these biomaterials.
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Affiliation(s)
- Jessica Hersh
- Department of Biochemistry and Molecular Biology, University of Miami Leonard M. Miller School of Medicine, Miami, Florida 33136, United States
| | - David Broyles
- Department of Biochemistry and Molecular Biology, University of Miami Leonard M. Miller School of Medicine, Miami, Florida 33136, United States
| | - José Manuel Condor Capcha
- Interdisciplinary Stem Cell Institute and Division of Cardiology, Department of Medicine, University of Miami Leonard M. Miller School of Medicine, Miami, Florida 33136, United States
| | - Emre Dikici
- Department of Biochemistry and Molecular Biology, University of Miami Leonard M. Miller School of Medicine, Miami, Florida 33136, United States
| | - Lina A Shehadeh
- Interdisciplinary Stem Cell Institute and Division of Cardiology, Department of Medicine, University of Miami Leonard M. Miller School of Medicine, Miami, Florida 33136, United States
| | - Sylvia Daunert
- Department of Biochemistry and Molecular Biology, University of Miami Leonard M. Miller School of Medicine, Miami, Florida 33136, United States
| | - Sapna Deo
- Department of Biochemistry and Molecular Biology, University of Miami Leonard M. Miller School of Medicine, Miami, Florida 33136, United States
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20
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Dewle A, Rakshasmare P, Srivastava A. A Polycaprolactone (PCL)-Supported Electrocompacted Aligned Collagen Type-I Patch for Annulus Fibrosus Repair and Regeneration. ACS APPLIED BIO MATERIALS 2021; 4:1238-1251. [DOI: 10.1021/acsabm.0c01084] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ankush Dewle
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Opp. Airforce
Station, Palaj, Gandhinagar 382355, Gujarat, India
| | - Prakash Rakshasmare
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Opp. Airforce
Station, Palaj, Gandhinagar 382355, Gujarat, India
| | - Akshay Srivastava
- Department of Medical Devices, National Institute of Pharmaceutical Education and Research-Ahmedabad (NIPER-A), Opp. Airforce
Station, Palaj, Gandhinagar 382355, Gujarat, India
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21
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Madhusha C, Munaweera I, Karunaratne V, Kottegoda N. Facile Mechanochemical Approach To Synthesizing Edible Food Preservation Coatings Based On Alginate/Ascorbic Acid-Layered Double Hydroxide Bio-Nanohybrids. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:8962-8975. [PMID: 32806127 DOI: 10.1021/acs.jafc.0c01879] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A bionanohybrid based on ascorbic acid-intercalated layered double hydroxides (LDHs) was synthesized using a facile and novel mechanochemical grinding technique, and its efficacy as an edible food coating is reported. Ascorbic acid-intercalated Mg-Al-LDHs (AA-LDHs) are synthesized using a green water-assisted grinding approach. The successful synthesis of the mechanochemically ground AA-LDHs was confirmed by the shifts observed in the basal peaks of the LDHs based on a powder X-ray diffraction, changes in the positions of vibrational frequencies of ascorbic acid based on Fourier Transform Infrared Spectroscopy, and significant changes in the intensity and peak positions of the core-shell bands based on X-ray photoelectron spectroscopy. The resulting nanohybrid further demonstrates thermal stability in thermogravimetric and derivative thermogravimetric analysis. Transmission electron microscopy images of the mechanochemically synthesized AA-LDHs reveal a plate-like morphology, which is a characteristic of the hydrotalcite-like structure. In a novel application, an edible coating was prepared by blending the AA-LDHs into a biocompatible alginate matrix, and the coating was developed on freshly plucked strawberries using the dip-coating method. In order to evaluate the efficacy of the coating, the total phenolic content, pH, microbial growth, weight loss, titratable acidity, and ascorbic acid content were monitored in the coated and uncoated fruits for a period of 18 days. The results reveal that the shelf life of strawberries increases from 9 days to 15 days for the nanohybrid coated fruits, suggesting the potential food preservation applications of the nanohybrid.
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Affiliation(s)
- Chamalki Madhusha
- Department of Chemistry, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka
| | - Imalka Munaweera
- Department of Chemistry, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka
- Instrument Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka
| | - Veranja Karunaratne
- Department of Chemistry, Faculty of Science, University of Peradeniya, Peradeniya 20400, Sri Lanka
| | - Nilwala Kottegoda
- Department of Chemistry, Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila, Nugegoda, Sri Lanka
- Center for Advanced Materials Research (CAMR), Faculty of Applied Sciences, University of Sri Jayewardenepura, Gangodawila 10250, Nugegoda, Sri Lanka
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22
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Fischer NG, He J, Aparicio C. Surface Immobilization Chemistry of a Laminin-Derived Peptide Affects Keratinocyte Activity. COATINGS (BASEL, SWITZERLAND) 2020; 10:560. [PMID: 32855816 PMCID: PMC7448695 DOI: 10.3390/coatings10060560] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Many chemical routes have been proposed to immobilize peptides on biomedical device surfaces, and in particular, on dental implants to prevent peri-implantitis. While a number of factors affect peptide immobilization quality, an easily controllable factor is the chemistry used to immobilize peptides. These factors affect peptide chemoselectivity, orientation, etc., and ultimately control biological activity. Using many different physical and chemical routes for peptide coatings, previous research has intensely focused on immobilizing antimicrobial elements on dental implants to reduce infection rates. Alternatively, our strategy here is different and focused on promoting formation of a long-lasting biological seal between the soft tissue and the implant surface through transmembrane, cell adhesion structures called hemidesmosomes. For that purpose, we used a laminin-derived call adhesion peptide. However, the effect of different immobilization chemistries on cell adhesion peptide activity is vastly unexplored but likely critical. Here, we compared the physiochemical properties and biological responses of a hemidesmosome promoting peptide immobilized using silanization and copper-free click chemistry as a model system for cell adhesion peptides. Successful immobilization was confirmed with water contact angle and X-ray photoelectron spectroscopy. Peptide coatings were retained through 73 days of incubation in artificial saliva. Interestingly, the non-chemoselective immobilization route, silanization, resulted in significantly higher proliferation and hemidesmosome formation in oral keratinocytes compared to chemoselective click chemistry. Our results highlight that the most effective immobilization chemistry for optimal peptide activity is dependent on the specific system (substrate/peptide/cell/biological activity) under study. Overall, a better understanding of the effects immobilization chemistries have on cell adhesion peptide activity may lead to more efficacious coatings for biomedical devices.
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Affiliation(s)
- Nicholas G. Fischer
- Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 515 Delaware Street S.E., Minneapolis, MN 55455, USA
| | - Jiahe He
- Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 515 Delaware Street S.E., Minneapolis, MN 55455, USA
| | - Conrado Aparicio
- Minnesota Dental Research Center for Biomaterials and Biomechanics, University of Minnesota, 515 Delaware Street S.E., Minneapolis, MN 55455, USA
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Fibronectin Adsorption on Electrospun Synthetic Vascular Grafts Attracts Endothelial Progenitor Cells and Promotes Endothelialization in Dynamic In Vitro Culture. Cells 2020; 9:cells9030778. [PMID: 32210018 PMCID: PMC7140838 DOI: 10.3390/cells9030778] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/15/2020] [Accepted: 03/19/2020] [Indexed: 12/30/2022] Open
Abstract
Appropriate mechanical properties and fast endothelialization of synthetic grafts are key to ensure long-term functionality of implants. We used a newly developed biostable polyurethane elastomer (TPCU) to engineer electrospun vascular scaffolds with promising mechanical properties (E-modulus: 4.8 ± 0.6 MPa, burst pressure: 3326 ± 78 mmHg), which were biofunctionalized with fibronectin (FN) and decorin (DCN). Neither uncoated nor biofunctionalized TPCU scaffolds induced major adverse immune responses except for minor signs of polymorph nuclear cell activation. The in vivo endothelial progenitor cell homing potential of the biofunctionalized scaffolds was simulated in vitro by attracting endothelial colony-forming cells (ECFCs). Although DCN coating did attract ECFCs in combination with FN (FN + DCN), DCN-coated TPCU scaffolds showed a cell-repellent effect in the absence of FN. In a tissue-engineering approach, the electrospun and biofunctionalized tubular grafts were cultured with primary-isolated vascular endothelial cells in a custom-made bioreactor under dynamic conditions with the aim to engineer an advanced therapy medicinal product. Both FN and FN + DCN functionalization supported the formation of a confluent and functional endothelial layer.
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Víšová I, Smolková B, Uzhytchak M, Vrabcová M, Zhigunova Y, Houska M, Surman F, de Los Santos Pereira A, Lunov O, Dejneka A, Vaisocherová-Lísalová H. Modulation of Living Cell Behavior with Ultra-Low Fouling Polymer Brush Interfaces. Macromol Biosci 2020; 20:e1900351. [PMID: 32045093 DOI: 10.1002/mabi.201900351] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 12/12/2019] [Indexed: 12/23/2022]
Abstract
Ultra-low fouling and functionalizable coatings represent emerging surface platforms for various analytical and biomedical applications such as those involving examination of cellular interactions in their native environments. Ultra-low fouling surface platforms as advanced interfaces enabling modulation of behavior of living cells via tuning surface physicochemical properties are presented and studied. The state-of-art ultra-low fouling surface-grafted polymer brushes of zwitterionic poly(carboxybetaine acrylamide), nonionic poly(N-(2-hydroxypropyl)methacrylamide), and random copolymers of carboxybetaine methacrylamide (CBMAA) and HPMAA [p(CBMAA-co-HPMAA)] with tunable molar contents of CBMAA and HPMAA are employed. Using a model Huh7 cell line, a systematic study of surface wettability, swelling, and charge effects on the cell growth, shape, and cytoskeleton distribution is performed. This study reveals that ultra-low fouling interfaces with a high content of zwitterionic moieties (>65 mol%) modulate cell behavior in a distinctly different way compared to coatings with a high content of nonionic HPMAA. These differences are attributed mostly to the surface hydration capabilities. The results demonstrate a high potential of carboxybetaine-rich ultra-low fouling surfaces with high hydration capabilities and minimum background signal interferences to create next-generation bioresponsive interfaces for advanced studies of living objects.
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Affiliation(s)
- Ivana Víšová
- Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21, Prague, Czech Republic
| | - Barbora Smolková
- Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21, Prague, Czech Republic
| | - Mariia Uzhytchak
- Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21, Prague, Czech Republic
| | - Markéta Vrabcová
- Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21, Prague, Czech Republic
| | - Yulia Zhigunova
- Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21, Prague, Czech Republic
| | - Milan Houska
- Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21, Prague, Czech Republic
| | - František Surman
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 00, Prague, Czech Republic
| | - Andres de Los Santos Pereira
- Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 00, Prague, Czech Republic
| | - Oleg Lunov
- Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21, Prague, Czech Republic
| | - Alexandr Dejneka
- Institute of Physics, Czech Academy of Sciences, Na Slovance 2, 182 21, Prague, Czech Republic
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25
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Mizuguchi Y, Mashimo Y, Mie M, Kobatake E. Temperature-Responsive Multifunctional Protein Hydrogels with Elastin-like Polypeptides for 3-D Angiogenesis. Biomacromolecules 2020; 21:1126-1135. [PMID: 32003967 DOI: 10.1021/acs.biomac.9b01496] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Supramolecular protein hydrogels with tunable properties represent promising candidates for advanced designer extracellular matrices (ECMs). To control cellular functions, ECMs should be able to spatiotemporally regulate synergistic signaling between transmembrane receptors and growth factor (GF) receptors. In this study, we developed genetically engineered temperature-responsive multifunctional protein hydrogels. The designed hydrogel was fabricated by combining the following four peptide blocks: thermosensitive elastin-like polypeptides (ELPs), a polyaspartic acid (polyD) chain to control aggregation and delivery of GFs, a de novo-designed helix peptide that forms antiparallel homotetrameric coiled-coils, and a biofunctional peptide. The resultant coiled-coil unit bound ELPs (CUBEs) exhibit a controllable sol-gel transition with tunable mechanical properties. CUBEs were functionalized with bone sialoprotein-derived RGD (bRGD), and human umbilical vein endothelial cells (HUVECs) were three-dimensionally cultured in bRGD-modified CUBE (bRGD-CUBE) hydrogels. Proangiogenic activity of HUVECs was promoted by bRGD. Moreover, heparin-binding angiogenic GFs were immobilized to bRGD-CUBEs via electrostatic interactions. HUVECs cultured in GF-tethered bRGD-CUBE hydrogels formed three-dimensional (3-D) tubulelike structures. The designed CUBE hydrogels may demonstrate utility as advanced smart biomaterials for biomedical applications. Further, the protein hydrogel design strategy may provide a novel platform for constructing designer 3-D microenvironments for specific cell types.
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Affiliation(s)
- Yoshinori Mizuguchi
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8502, Japan
| | - Yasumasa Mashimo
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8502, Japan
| | - Masayasu Mie
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8502, Japan
| | - Eiry Kobatake
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8502, Japan
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Yang Z, Liu M, Yang Y, Zheng M, Yang Y, Liu X, Tan J. Biofunctionalization of zirconia with cell-adhesion peptides via polydopamine crosslinking for soft tissue engineering: effects on the biological behaviors of human gingival fibroblasts and oral bacteria. RSC Adv 2020; 10:6200-6212. [PMID: 35495985 PMCID: PMC9049673 DOI: 10.1039/c9ra08575k] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 01/09/2020] [Indexed: 12/28/2022] Open
Abstract
Rapid soft tissue integration is essential for long-term dental implant success. Zirconia is increasingly used as an abutment material owing to its excellent aesthetic properties and biocompatibility; however, it is bioinert, and tissue integration is poor. We developed a feasible surface modification method, exploiting the reactivity of polydopamine (PDA) films to immobilize cell-adhesion peptides (Arg-Gly-Asp, RGD) onto zirconia abutment surfaces. Further, we evaluated the effect thereof on human gingival fibroblast (HGF) behavior and oral bacterial adhesion, which influence the peri-implant soft tissue seal. HGF responses to linear KGGRGDSP and cyclic RGDfK sequences were compared. PDA deposition and covalent coupling of RGD were verified by X-ray photoelectron spectroscopy and fluorescence microscopy. The biological behaviors of HGFs on the modified zirconia; i.e., adhesion, spreading, proliferation, gene and protein expression, were elucidated. Biofunctionalization of zirconia with the adhesion peptides significantly enhanced the biological activities of HGFs. Cyclic RGD induced slightly improved cell attachment, spreading, and proliferation, but similar cell differentiation when compared to linear RGD peptides. To assess their antimicrobial properties, the different substrates were exposed to cultures of the early colonizer Streptococcus mutans or the periodontal pathogen Porphyromonas gingivalis, and bacterial adhesion was evaluated by scanning electron microscopy and live/dead staining. PDA and PDA-RGD coatings decreased zirconia surface colonization by both bacterial species to similar extents. Thus, PDA-RGD-functionalized zirconia modulates specific HGF responses, while maintaining the antimicrobial activity of the PDA coating. The selective bio-interaction pattern of this surface modification holds great promise for improving soft-tissue integration around zirconia abutments in clinical applications. Biofunctionalization of zirconia with cell-adhesion peptides via polydopamine and its effect on HGFs/bacterial adhesion for enhanced soft tissue seal.![]()
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Affiliation(s)
- Zhen Yang
- Department of Prosthodontics
- Peking University School and Hospital of Stomatology
- National Clinical Research Center for Oral Diseases
- National Engineering Laboratory for Digital and Material Technology of Stomatology
- Beijing Key Laboratory of Digital Stomatology
| | - Mingyue Liu
- First Clinical Division
- Peking University School and Hospital of Stomatology
- Beijing
- P. R. China
| | - Yang Yang
- Department of Prosthodontics
- Peking University School and Hospital of Stomatology
- National Clinical Research Center for Oral Diseases
- National Engineering Laboratory for Digital and Material Technology of Stomatology
- Beijing Key Laboratory of Digital Stomatology
| | - Miao Zheng
- Department of Stomatology
- Peking University Third Hospital
- Beijing
- P. R. China
| | - Yang Yang
- Department of Prosthodontics
- Peking University School and Hospital of Stomatology
- National Clinical Research Center for Oral Diseases
- National Engineering Laboratory for Digital and Material Technology of Stomatology
- Beijing Key Laboratory of Digital Stomatology
| | - Xiaoqiang Liu
- Department of Prosthodontics
- Peking University School and Hospital of Stomatology
- National Clinical Research Center for Oral Diseases
- National Engineering Laboratory for Digital and Material Technology of Stomatology
- Beijing Key Laboratory of Digital Stomatology
| | - Jianguo Tan
- Department of Prosthodontics
- Peking University School and Hospital of Stomatology
- National Clinical Research Center for Oral Diseases
- National Engineering Laboratory for Digital and Material Technology of Stomatology
- Beijing Key Laboratory of Digital Stomatology
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27
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Porous calcium phosphate-collagen composite microspheres for effective growth factor delivery and bone tissue regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 109:110480. [PMID: 32228926 DOI: 10.1016/j.msec.2019.110480] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 11/18/2019] [Accepted: 11/20/2019] [Indexed: 01/16/2023]
Abstract
Microspheres are beneficial for filling defects of various shapes and provide a large surface area for cell attachment. Porous microspheres have attracted particular attention because they can deliver cells and bioactive molecules such as growth factors. In this study, BCP-collagen composite microspheres were developed for growth factor delivery in bone regeneration. Firstly, porous biphasic calcium phosphate (BCP) microspheres were fabricated by applying a water-in-oil emulsion technique using camphene as a pore generator. Then, porous BCP-collagen composite microspheres were fabricated by repetitively dip coating the microspheres in a collagen solution to effectively deliver growth factor to bone defects. Characterization of the microspheres and in vitro studies were conducted to investigate the effect of collagen infiltration on bone regeneration. In addition, in vitro evaluation demonstrated the sustained bone morphogenetic protein-2 (BMP-2) delivery of the microspheres and the effect of cell differentiation, and in vivo assessment with rabbits revealed that the microspheres filled the defect well and that bone could be regenerated through the microspheres. Moreover, the composite system was more effective for bone regeneration than the bare BCP microspheres because of the drug retention of collagen. These findings indicate that the porous microspheres are effective for tissue regeneration by continuous growth factor delivery.
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28
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Li Y, Li Y, Zhang Q, Wang L, Guo M, Wu X, Guo Y, Chen J, Chen W. Mechanical Properties of Chondrocytes Estimated from Different Models of Micropipette Aspiration. Biophys J 2019; 116:2181-2194. [PMID: 31103225 DOI: 10.1016/j.bpj.2019.04.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 03/29/2019] [Accepted: 04/18/2019] [Indexed: 01/11/2023] Open
Abstract
In this study, two viscoelastic creep expressions for the aspirated length of individual solid-like cells undergoing micropipette aspiration (MPA) were derived based on our previous studies wherein the cell size relative to the micropipette and the cell compressibility were taken into account. Next, three mechanical models of MPA, the half-space model (HSM), incompressible sphere model (ICSM), and compressible sphere model (CSM), were employed to fit the MPA data of chondrocytes. The results indicated that the elastic moduli and viscoelastic parameters of chondrocytes for the ICSM and CSM exhibited significantly higher values than those from the HSM (p < 0.001) because of the considerations of the geometric parameter (ξ) and the compressibility of the cell (ν). For the normal chondrocytes, the elastic moduli obtained from the ICSM and CSM (ν = 0.3) were 47.4 and 78.9% higher than those from the HSM. In the viscoelasticity, the parameters k1, k2, and μ for the ICSM were respectively increased by 37.8, 37.9, and 39.0% compared to those from the HSM, whereas for the CSM (ν = 0.3), the above parameters were 135, 314, and 257% higher compared to those from the HSM. And with the increase of ξ and ν, the above mechanical parameters decreased. Furthermore, the thresholds of ξ varying with ν were obtained for the given values of relative errors caused by the HSM in the elastic and viscoelastic parameters. The above findings obviously indicated that the geometric parameter of MPA and the Poisson's ratio of a cell have marked influences on the determination of cellular mechanical parameters by MPA and thus should be considered in the pursuit of more accurate investigations of the mechanical properties of cells.
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Affiliation(s)
- Yongsheng Li
- Institute of Applied Mechanics, College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Yueqin Li
- Shanxi Dayi Hospital, Taiyuan, China; Shanxi Academy of Medical Sciences, Taiyuan, China
| | - Quanyou Zhang
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Lili Wang
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Meiqing Guo
- Institute of Applied Mechanics, College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Xiaogang Wu
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Yuan Guo
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Jing Chen
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China.
| | - Weiyi Chen
- Institute of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China.
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29
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Singhatanadgit W, Sungkhaphan P, Theerathanagorn T, Patntirapong S, Janvikul W. Analysis of sequential dual immobilization of type I collagen and BMP-2 short peptides on hydrolyzed poly(buthylene succinate)/ β-tricalcium phosphate composites for bone tissue engineering. J Biomater Appl 2019; 34:351-364. [PMID: 31137998 DOI: 10.1177/0885328219852820] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Weerachai Singhatanadgit
- 1 Craniofacial Reconstruction Cluster, Faculty of Dentistry, Thammasat University, Pathum Thani, Thailand
| | | | | | - Somying Patntirapong
- 3 Department of Oral Biology, Faculty of Dentistry, Thammasat University, Pathum Thani, Thailand
| | - Wanida Janvikul
- 2 National Metal and Materials Technology Center, Pathum Thani, Thailand
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30
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Jing X, Li H, Mi HY, Liu YJ, Tan YM. Fabrication of Three-Dimensional Fluffy Nanofibrous Scaffolds for Tissue Engineering via Electrospinning and CO2 Escaping Foaming. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b00935] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Xin Jing
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou, Hunan 412007, China
| | - Heng Li
- Department of Building and Real Estate, Hong Kong Polytechnic University, Hong Kong 518000, China
| | - Hao-Yang Mi
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou, Hunan 412007, China
- Department of Building and Real Estate, Hong Kong Polytechnic University, Hong Kong 518000, China
| | - Yue-Jun Liu
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou, Hunan 412007, China
| | - Yi-Min Tan
- Key Laboratory of Advanced Packaging Materials and Technology of Hunan Province, Hunan University of Technology, Zhuzhou, Hunan 412007, China
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31
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Dinoro J, Maher M, Talebian S, Jafarkhani M, Mehrali M, Orive G, Foroughi J, Lord MS, Dolatshahi-Pirouz A. Sulfated polysaccharide-based scaffolds for orthopaedic tissue engineering. Biomaterials 2019; 214:119214. [PMID: 31163358 DOI: 10.1016/j.biomaterials.2019.05.025] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 05/15/2019] [Accepted: 05/16/2019] [Indexed: 12/11/2022]
Abstract
Given their native-like biological properties, high growth factor retention capacity and porous nature, sulfated-polysaccharide-based scaffolds hold great promise for a number of tissue engineering applications. Specifically, as they mimic important properties of tissues such as bone and cartilage they are ideal for orthopaedic tissue engineering. Their biomimicry properties encompass important cell-binding motifs, native-like mechanical properties, designated sites for bone mineralisation and strong growth factor binding and signaling capacity. Even so, scientists in the field have just recently begun to utilise them as building blocks for tissue engineering scaffolds. Most of these efforts have so far been directed towards in vitro studies, and for these reasons the clinical gap is still substantial. With this review paper, we have tried to highlight some of the important chemical, physical and biological features of sulfated-polysaccharides in relation to their chondrogenic and osteogenic inducing capacity. Additionally, their usage in various in vivo model systems is discussed. The clinical studies reviewed herein paint a promising picture heralding a brave new world for orthopaedic tissue engineering.
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Affiliation(s)
- Jeremy Dinoro
- Intelligent Polymer Research Institute ARC Centre of Excellence for Electromaterials Science AIIM Facility University of Wollongong, Australia
| | - Malachy Maher
- Intelligent Polymer Research Institute ARC Centre of Excellence for Electromaterials Science AIIM Facility University of Wollongong, Australia
| | - Sepehr Talebian
- Intelligent Polymer Research Institute ARC Centre of Excellence for Electromaterials Science AIIM Facility University of Wollongong, Australia; Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Mahboubeh Jafarkhani
- Technical University of Denmark, DTU Nanotech, Center for Intestinal Absorption and Transport of Biopharmaceuticals, 2800 Kgs, Denmark
| | - Mehdi Mehrali
- Technical University of Denmark, DTU Nanotech, Center for Intestinal Absorption and Transport of Biopharmaceuticals, 2800 Kgs, Denmark
| | - Gorka Orive
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country UPV/EHU, Paseo de la Universidad 7, Vitoria-Gasteiz, 01006, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain; University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain; Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower, Singapore
| | - Javad Foroughi
- Intelligent Polymer Research Institute ARC Centre of Excellence for Electromaterials Science AIIM Facility University of Wollongong, Australia; Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Megan S Lord
- Graduate School of Biomedical Engineering, UNSW Sydney, Sydney, NSW, 2052, Australia
| | - Alireza Dolatshahi-Pirouz
- Technical University of Denmark, DTU Nanotech, Center for Intestinal Absorption and Transport of Biopharmaceuticals, 2800 Kgs, Denmark; Department of Regenerative Biomaterials, Radboud University Medical Center, Philips van Leydenlaan 25, Nijmegen, 6525 EX, the Netherlands.
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32
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Liao J, Wu S, Li K, Fan Y, Dunne N, Li X. Peptide‐modified bone repair materials: Factors influencing osteogenic activity. J Biomed Mater Res A 2019; 107:1491-1512. [DOI: 10.1002/jbm.a.36663] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 01/29/2019] [Accepted: 02/14/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Jie Liao
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of EducationSchool of Biological Science and Medical Engineering, Beihang University Beijing 100083 China
| | - Shuai Wu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of EducationSchool of Biological Science and Medical Engineering, Beihang University Beijing 100083 China
| | - Kun Li
- State Key Laboratory of Powder MetallurgyCentral South University Changsha 410083 China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of EducationSchool of Biological Science and Medical Engineering, Beihang University Beijing 100083 China
- Beijing Advanced Innovation Center for Biomedical EngineeringBeihang University Beijing 100083 China
| | - Nicholas Dunne
- Centre for Medical Engineering ResearchSchool of Mechanical and Manufacturing Engineering, Dublin City University Stokes Building, Collins Avenue, Dublin 9 Ireland
| | - Xiaoming Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of EducationSchool of Biological Science and Medical Engineering, Beihang University Beijing 100083 China
- Beijing Advanced Innovation Center for Biomedical EngineeringBeihang University Beijing 100083 China
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33
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Echave MC, Pimenta-Lopes C, Pedraz JL, Mehrali M, Dolatshahi-Pirouz A, Ventura F, Orive G. Enzymatic crosslinked gelatin 3D scaffolds for bone tissue engineering. Int J Pharm 2019; 562:151-161. [PMID: 30853482 DOI: 10.1016/j.ijpharm.2019.02.043] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/17/2019] [Accepted: 02/27/2019] [Indexed: 02/07/2023]
Abstract
Bone tissue engineering is an emerging medical field that has been developed in recent years to address pathologies with limited ability of bones to regenerate. Here we report the fabrication and characterization of microbial transglutaminase crosslinked gelatin-based scaffolds designed for serving as both cell substrate and growth factor release system. In particular, morphological, biomechanical and biological features have been analyzed. The enzyme ratio applied during the fabrication of the scaffolds affects the swelling capacity and the mechanical properties of the final structure. The developed systems are not cytotoxic according to the biocompatibility tests. The biological performance of selected formulations was studied using L-929 fibroblasts, D1 MSC and MG63 osteoblasts. Moreover, scaffolds allowed efficient osteogenic differentiation and signaling of MSCs. MSC cultured on the scaffolds not only presented lower proliferative and stemness profile, but also increased expression of osteoblast-related genes (Col1a1, Runx2, Osx). Furthermore, the in vitro release kinetics of vascular endothelial growth factor (VEGF) and bone morphogenetic protein -2 (BMP-2) from the scaffolds were also investigated. The release of the growth factors produced from the scaffolds followed a first order kinetics. These results highlight that the scaffolds designed and developed in this work may be suitable candidates for bone tissue regeneration purposes.
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Affiliation(s)
- Mari Carmen Echave
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country UPV/EHU, Paseo de la Universidad 7, Vitoria-Gasteiz 01006, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain
| | - Carolina Pimenta-Lopes
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, C/ Feixa Llarga s/n 08907, Hospitalet de Llobregat, Spain
| | - José Luis Pedraz
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country UPV/EHU, Paseo de la Universidad 7, Vitoria-Gasteiz 01006, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain
| | - Mehdi Mehrali
- Technical University of Denmark, Department of Health Technology, Center for Intestinal Absorption and Transport of Biopharmaceutical, 2800 Kgs, Denmark
| | - Alireza Dolatshahi-Pirouz
- Technical University of Denmark, Department of Health Technology, Center for Intestinal Absorption and Transport of Biopharmaceutical, 2800 Kgs, Denmark; Department of Dentistry - Regenerative Biomaterials, Radboud University Medical Center, Philips van Leydenlaan 25, Nijmegen 6525 EX, The Netherlands
| | - Fransesc Ventura
- Departament de Ciències Fisiològiques, Universitat de Barcelona, IDIBELL, C/ Feixa Llarga s/n 08907, Hospitalet de Llobregat, Spain
| | - Gorka Orive
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country UPV/EHU, Paseo de la Universidad 7, Vitoria-Gasteiz 01006, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain; University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain; Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower, Singapore.
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34
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Taale M, Schütt F, Carey T, Marx J, Mishra YK, Stock N, Fiedler B, Torrisi F, Adelung R, Selhuber-Unkel C. Biomimetic Carbon Fiber Systems Engineering: A Modular Design Strategy To Generate Biofunctional Composites from Graphene and Carbon Nanofibers. ACS APPLIED MATERIALS & INTERFACES 2019; 11:5325-5335. [PMID: 30600988 PMCID: PMC6369718 DOI: 10.1021/acsami.8b17627] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 01/02/2019] [Indexed: 05/21/2023]
Abstract
Carbon-based fibrous scaffolds are highly attractive for all biomaterial applications that require electrical conductivity. It is additionally advantageous if such materials resembled the structural and biochemical features of the natural extracellular environment. Here, we show a novel modular design strategy to engineer biomimetic carbon fiber-based scaffolds. Highly porous ceramic zinc oxide (ZnO) microstructures serve as three-dimensional (3D) sacrificial templates and are infiltrated with carbon nanotubes (CNTs) or graphene dispersions. Once the CNTs and graphene coat the ZnO template, the ZnO is either removed by hydrolysis or converted into carbon by chemical vapor deposition. The resulting 3D carbon scaffolds are both hierarchically ordered and free-standing. The properties of the microfibrous scaffolds were tailored with a high porosity (up to 93%), a high Young's modulus (ca. 0.027-22 MPa), and an electrical conductivity of ca. 0.1-330 S/m, as well as different surface compositions. Cell viability, fibroblast proliferation rate and protein adsorption rate assays have shown that the generated scaffolds are biocompatible and have a high protein adsorption capacity (up to 77.32 ± 6.95 mg/cm3) so that they are able to resemble the extracellular matrix not only structurally but also biochemically. The scaffolds also allow for the successful growth and adhesion of fibroblast cells, showing that we provide a novel, highly scalable modular design strategy to generate biocompatible carbon fiber systems that mimic the extracellular matrix with the additional feature of conductivity.
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Affiliation(s)
- Mohammadreza Taale
- Biocompatible
Nanomaterials, Institute for Materials Science and Functional Nanomaterials,
Institute for Materials Science, Kiel University, Kaiserstraße 2, D-24143 Kiel, Germany
| | - Fabian Schütt
- Biocompatible
Nanomaterials, Institute for Materials Science and Functional Nanomaterials,
Institute for Materials Science, Kiel University, Kaiserstraße 2, D-24143 Kiel, Germany
| | - Tian Carey
- Cambridge
Graphene Centre, University of Cambridge, 9 JJ Thomson Avenue, Cambridge CB3 0FA, U.K.
| | - Janik Marx
- Institute
of Polymer and Composites, Hamburg University
of Technology, Denickestraße
15, D-21073 Hamburg, Germany
| | - Yogendra Kumar Mishra
- Biocompatible
Nanomaterials, Institute for Materials Science and Functional Nanomaterials,
Institute for Materials Science, Kiel University, Kaiserstraße 2, D-24143 Kiel, Germany
| | - Norbert Stock
- Institute
of Inorganic Chemistry, Kiel University, Max-Eyth Straße 2, D-24118 Kiel, Germany
| | - Bodo Fiedler
- Institute
of Polymer and Composites, Hamburg University
of Technology, Denickestraße
15, D-21073 Hamburg, Germany
| | - Felice Torrisi
- Cambridge
Graphene Centre, University of Cambridge, 9 JJ Thomson Avenue, Cambridge CB3 0FA, U.K.
| | - Rainer Adelung
- Biocompatible
Nanomaterials, Institute for Materials Science and Functional Nanomaterials,
Institute for Materials Science, Kiel University, Kaiserstraße 2, D-24143 Kiel, Germany
| | - Christine Selhuber-Unkel
- Biocompatible
Nanomaterials, Institute for Materials Science and Functional Nanomaterials,
Institute for Materials Science, Kiel University, Kaiserstraße 2, D-24143 Kiel, Germany
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35
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Przekora A. The summary of the most important cell-biomaterial interactions that need to be considered during in vitro biocompatibility testing of bone scaffolds for tissue engineering applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 97:1036-1051. [PMID: 30678895 DOI: 10.1016/j.msec.2019.01.061] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 01/13/2019] [Accepted: 01/14/2019] [Indexed: 12/17/2022]
Abstract
Tissue engineered products (TEPs), which mean biomaterials containing either cells or growth factors or both cells and growth factors, may be used as an alternative to the autografts taken directly from the bone of the patients. Nevertheless, the use of TEPs needs much more understanding of biointeractions between biomaterials and eukaryotic cells. Despite the possibility of the use of in vitro cellular models for initial evaluation of the host response to the implanted biomaterial, it is observed that most researchers use cell cultures only for the evaluation of cytotoxicity and cell proliferation on the biomaterial surface, and then they proceed to animal models and in vivo testing of bone implants without fully utilizing the scientific potential of in vitro models. In this review, the most important biointeractions between eukaryotic cells and biomaterials were discussed, indicating molecular mechanisms of cell adhesion, proliferation, and biomaterial-induced activation of immune cells. The article also describes types of cellular models which are commonly used for biomaterial testing and highlights the possibilities and drawbacks of in vitro tests for biocompatibility evaluation of novel scaffolds. Finally, the review summarizes recent findings concerning the use of adult mesenchymal stem cells for TEP generation and compares the potential of bone marrow- and adipose tissue-derived stem cells in regenerative medicine applications.
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Affiliation(s)
- Agata Przekora
- Chair and Department of Biochemistry and Biotechnology, Medical University of Lublin, Chodzki 1 Street, 20-093 Lublin, Poland.
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36
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Mbizana S, Hlalele L, Pfukwa R, Du Toit A, Lumkwana D, Loos B, Klumperman B. Synthesis and Cell Interaction of Statistical l-Arginine-Glycine-l-Aspartic Acid Terpolypeptides. Biomacromolecules 2018; 19:3058-3066. [PMID: 29715425 DOI: 10.1021/acs.biomac.8b00620] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Copolymerizations and terpolymerizations of N-carboxyanhydrides (NCAs) of glycine (Gly), Nδ-carbobenzyloxy-l-ornithine (Z-Orn), and β-benzyl-l-aspartate (Bz-Asp) were investigated. In situ 1H NMR spectroscopy was used to monitor individual comonomer consumptions during binary and ternary copolymerizations. The six relevant reactivity ratios were determined from copolymerizations of the NCAs of amino acids via nonlinear least-squares curve fitting. The reactivity ratios were subsequently used to maximize the occurrence of the Asp-Gly-Orn ( DGR') sequence in the terpolymers. Terpolymers with variable probability of occurrence of DGR' were prepared in the lab. Subsequently, the ornithine residues on the terpolymers were converted to l-arginine (R) residues via guanidination reaction after removal of the protecting groups. The resulting DGR terpolymers translate to traditional peptides and proteins with variable RGD content, due to the convention in nomenclature that peptides are depicted from N- to C-terminus, whereas the NCA ring-opening polymerization is conducted from C- to N-terminus. The l-arginine containing terpolymers were evaluated for cell interaction, where it was found that neuronal cells display enhanced adhesion and process formation when plated in the presence of statistical DGR terpolymers.
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37
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Attia AC, Yu T, Gleeson SE, Petrovic M, Li CY, Marcolongo M. A Review of Nanofiber Shish Kebabs and Their Potential in Creating Effective Biomimetic Bone Scaffolds. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2018. [DOI: 10.1007/s40883-018-0053-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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38
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Chen C, Townsend AD, Hayter EA, Birk HM, Sell SA, Martin RS. Insert-based microfluidics for 3D cell culture with analysis. Anal Bioanal Chem 2018. [PMID: 29536154 DOI: 10.1007/s00216-018-0985-y] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We present an insert-based approach to fabricate scalable and multiplexable microfluidic devices for 3D cell culture and integration with downstream detection modules. Laser-cut inserts with a layer of electrospun fibers are used as a scaffold for 3D cell culture, with the inserts being easily assembled in a 3D-printed fluidic device for flow-based studies. With this approach, the number and types of cells (on the inserts) in one fluidic device can be customized. Moreover, after an investigation (i.e., stimulation) under flowing conditions, the cell-laden inserts can be removed easily for subsequent studies including imaging and cell lysis. In this paper, we first discuss the fabrication of the device and characterization of the fibrous inserts. Two device designs containing two (channel width = 260 μm) and four (channel width = 180 μm) inserts, respectively, were used for different experiments in this study. Cell adhesion on the inserts with flowing media through the device was tested by culturing endothelial cells. Macrophages were cultured and stimulated under different conditions, the results of which indicate that the fibrous scaffolds under flow conditions result in dramatic effects on the amount and kinetics of TNF-α production (after LPS stimulation). Finally, we show that the cell module can be integrated with a downstream absorbance detection scheme. Overall, this technology represents a new and versatile way to culture cells in a more in vivo fashion for in vitro studies with online detection modules. Graphical abstract This paper describes an insert-based microfluidic device for 3D cell culture that can be easily scaled, multiplexed, and integrated with downstream analytical modules.
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Affiliation(s)
- Chengpeng Chen
- Department of Chemistry, Saint Louis University, 3501 Laclede Ave., St. Louis, MO, 63103, USA
| | - Alexandra D Townsend
- Department of Chemistry, Saint Louis University, 3501 Laclede Ave., St. Louis, MO, 63103, USA
| | - Elizabeth A Hayter
- Department of Chemistry, Saint Louis University, 3501 Laclede Ave., St. Louis, MO, 63103, USA
| | - Hannah M Birk
- Department of Chemistry, Saint Louis University, 3501 Laclede Ave., St. Louis, MO, 63103, USA
| | - Scott A Sell
- Department of Biomedical Engineering, Saint Louis University, 3450 Lindell Blvd., St. Louis, MO, 63103, USA
| | - R Scott Martin
- Department of Chemistry, Saint Louis University, 3501 Laclede Ave., St. Louis, MO, 63103, USA.
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Chen S, Cui S, Zhang H, Pei X, Hu J, Zhou Y, Liu Y. Cross-Linked Pectin Nanofibers with Enhanced Cell Adhesion. Biomacromolecules 2018; 19:490-498. [DOI: 10.1021/acs.biomac.7b01605] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Sainan Chen
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, Jilin 130024, P. R. China
| | - Sisi Cui
- School
of Life Sciences, Northeast Normal University, Changchun, Jilin 130024, P. R. China
| | - Hui Zhang
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, Jilin 130024, P. R. China
| | - Xuejing Pei
- School
of Life Sciences, Northeast Normal University, Changchun, Jilin 130024, P. R. China
| | - Junli Hu
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, Jilin 130024, P. R. China
| | - Yifa Zhou
- School
of Life Sciences, Northeast Normal University, Changchun, Jilin 130024, P. R. China
| | - Yichun Liu
- Key Laboratory of UV-Emitting Materials and Technology (Northeast Normal University), Ministry of Education, Changchun, Jilin 130024, P. R. China
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Jiang B, Yang J, Rahoui N, Taloub N, Huang YD. Functional polymer materials affecting cell attachment. Adv Colloid Interface Sci 2017; 250:185-194. [PMID: 28950985 DOI: 10.1016/j.cis.2017.09.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Revised: 07/26/2017] [Accepted: 09/07/2017] [Indexed: 01/13/2023]
Abstract
This review discusses the functional polymer materials effect on the cell adhesion. The applied polymer materials for the cell adhesion purpose was prepared based on organic fibers and biocompatible hydrogel. On the other hand, the active peptides are incorporated into the polymer materials substrate via the cysteine-containing peptides and N-hydroxysuccinimide-active group. Cancer cells and normal cells were presented for the selective adhesion via the introduced polymer materials substrate containing active peptides including Arginine-Glycine-Aspartic and Isoleucine-Lysine-Valine-Alanine-Valine sequence peptides. This selectivity is revealed by a significant cooperativity between specific and non-specific cell adhesion. This study is of a great impact for the design of the polymeric structures for cell attachment.
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Affiliation(s)
- Bo Jiang
- Polymer Materials and Engineering Department, School of Chemical Engineering and Technology, Harbin Institute of Technology, P.O. Box: 1254, Harbin 150001, People's Republic of China.
| | - Jian Yang
- Polymer Materials and Engineering Department, School of Chemical Engineering and Technology, Harbin Institute of Technology, P.O. Box: 1254, Harbin 150001, People's Republic of China
| | - Nahla Rahoui
- Polymer Materials and Engineering Department, School of Chemical Engineering and Technology, Harbin Institute of Technology, P.O. Box: 1254, Harbin 150001, People's Republic of China
| | - Nadia Taloub
- Polymer Materials and Engineering Department, School of Chemical Engineering and Technology, Harbin Institute of Technology, P.O. Box: 1254, Harbin 150001, People's Republic of China
| | - Yu Dong Huang
- Polymer Materials and Engineering Department, School of Chemical Engineering and Technology, Harbin Institute of Technology, P.O. Box: 1254, Harbin 150001, People's Republic of China
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Biocomposite nanofiber matrices to support ECM remodeling by human dermal progenitors and enhanced wound closure. Sci Rep 2017; 7:10291. [PMID: 28860484 PMCID: PMC5579010 DOI: 10.1038/s41598-017-10735-x] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 08/14/2017] [Indexed: 01/14/2023] Open
Abstract
Cell-based therapies have recently been the focus of much research to enhance skin wound healing. An important challenge will be to develop vehicles for cell delivery that promote survival and uniform distribution of cells across the wound bed. These systems should be stiff enough to facilitate handling, whilst soft enough to limit damage to newly synthesized wound tissue and minimize patient discomfort. Herein, we developed several novel modifiable nanofibre scaffolds comprised of Poly (ε-caprolactone) (PCL) and gelatin (GE). We asked whether they could be used as a functional receptacle for adult human Skin-derived Precursor Cells (hSKPs) and how naked scaffolds impact endogenous skin wound healing. PCL and GE were electrospun in a single facile solvent to create composite scaffolds and displayed unique morphological and mechanical properties. After seeding with adult hSKPs, deposition of extracellular matrix proteins and sulphated glycosaminoglycans was found to be enhanced in composite grafts. Moreover, composite scaffolds exhibited significantly higher cell proliferation, greater cell spreading and integration within the nanofiber mats. Transplantation of acellular scaffolds into wounds revealed scaffolds exhibited improvement in dermal-epidermal thickness, axonal density and collagen deposition. These results demonstrate that PCL-based nanofiber scaffolds show promise as a cell delivery system for wound healing.
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42
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Yang GH, Jeon H, Kim G. Alternately plasma-roughened nanosurface of a hybrid scaffold for aligning myoblasts. Biofabrication 2017; 9:025035. [DOI: 10.1088/1758-5090/aa77ba] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Miguel SP, Ribeiro MP, Coutinho P, Correia IJ. Electrospun Polycaprolactone/Aloe Vera_Chitosan Nanofibrous Asymmetric Membranes Aimed for Wound Healing Applications. Polymers (Basel) 2017; 9:E183. [PMID: 30970863 PMCID: PMC6432098 DOI: 10.3390/polym9050183] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/06/2017] [Accepted: 05/19/2017] [Indexed: 12/30/2022] Open
Abstract
Today, none of the wound dressings available on the market is fully capable of reproducing all the features of native skin. Herein, an asymmetric electrospun membrane was produced to mimic both layers of skin. It comprises a top dense layer (manufactured with polycaprolactone) that was designed to provide mechanical support to the wound and a bottom porous layer (composed of chitosan and Aloe Vera) aimed to improve the bactericidal activity of the membrane and ultimately the healing process. The results obtained revealed that the produced asymmetric membranes displayed a porosity, wettability, as well as mechanical properties similar to those presented by the native skin. Fibroblast cells were able to adhere, spread, and proliferate on the surface of the membranes and the intrinsic structure of the two layers of the membrane is capable of avoiding the invasion of microorganisms while conferring bioactive properties. Such data reveals the potential of these asymmetric membranes, in the near future, to be applied as wound dressings.
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Affiliation(s)
- Sónia P Miguel
- CICS-UBI-Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal.
| | - Maximiano P Ribeiro
- CICS-UBI-Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal.
- UDI-IPG-Unidade de Investigação para o Desenvolvimento do Interior, Instituto Politécnico da Guarda, 6300-559 Guarda, Portugal.
| | - Paula Coutinho
- CICS-UBI-Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal.
- UDI-IPG-Unidade de Investigação para o Desenvolvimento do Interior, Instituto Politécnico da Guarda, 6300-559 Guarda, Portugal.
| | - Ilídio J Correia
- CICS-UBI-Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Av. Infante D. Henrique, 6200-506 Covilhã, Portugal.
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Camarero-Espinosa S, Cooper-White J. Tailoring biomaterial scaffolds for osteochondral repair. Int J Pharm 2017; 523:476-489. [DOI: 10.1016/j.ijpharm.2016.10.035] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 10/11/2016] [Accepted: 10/17/2016] [Indexed: 12/11/2022]
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45
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Duo X, Wang J, Li Q, Neve AL, Akpanyung M, Nejjari A, Ali ZSS, Feng Y, Zhang W, Shi C. CAGW Peptide Modified Biodegradable Cationic Copolymer for Effective Gene Delivery. Polymers (Basel) 2017; 9:E158. [PMID: 30970836 PMCID: PMC6432137 DOI: 10.3390/polym9050158] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 04/11/2017] [Accepted: 04/24/2017] [Indexed: 12/21/2022] Open
Abstract
In recent years, gene therapy has become a promising technology to enhance endothelialization of artificial vascular grafts. The ideal gene therapy requires a gene carrier with low cytotoxicity and high transfection efficiency. In this paper, we prepared a biodegradable cationic copolymer poly(d,l-lactide-co-glycolide)-graft-PEI (PLGA-g-PEI), grafted Cys-Ala-Gly-Trp (CAGW) peptide onto this copolymer via the thiol-ene Click-reaction, and then prepared micelles by a self-assembly method. pEGFP-ZNF580 plasmids (pDNA) were condensed by these micelles via electrostatic interaction to form gene complexes. The CAGW peptide enables these gene complexes with special recognition for endothelial cells, which could enhance their transfection. As a gene carrier system, the PLGA-g-PEI-g-CAGW/pDNA gene complexes were evaluated and the results showed that they had suitable diameter and zeta potential for cellular uptake, and exhibited low cytotoxicity and high transfection efficiency for EA.hy926 cells.
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Affiliation(s)
- Xinghong Duo
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
- School of Chemistry and Chemical Engineering, Qinghai University for Nationalities, Xining 810007, Qinghai, China.
| | - Jun Wang
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
| | - Qian Li
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
| | - Agnaldo Luis Neve
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
| | - Mary Akpanyung
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
| | - Abdelilah Nejjari
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
| | - Zaidi Syed Saqib Ali
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
| | - Yakai Feng
- School of Chemical Engineering and Technology, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
- Collaborative Innovation Center of Chemical Science and Chemical Engineering (Tianjin), Weijin Road 92, Tianjin 300072, China.
- Joint Laboratory for Biomaterials and Regenerative Medicine, Tianjin University-Helmholtz-Zentrum Geesthacht, Yaguan Road 135, Tianjin 300350, China.
- Key Laboratory of Systems Bioengineering of Ministry of Education, Tianjin University, Yaguan Road 135, Tianjin 300350, China.
| | - Wencheng Zhang
- Department of Physiology and Pathophysiology, Logistics University of Chinese People's Armed Police Force, Tianjin 300162, China.
| | - Changcan Shi
- Institute of Biomaterials and Engineering, Wenzhou Medical University, Wenzhou 325011, Zhejiang, China.
- Wenzhou Institute of Biomaterials and Engineering, Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, Wenzhou 325011, Zhejiang, China.
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Ramaraju H, Miller SJ, Kohn DH. Dual-functioning peptides discovered by phage display increase the magnitude and specificity of BMSC attachment to mineralized biomaterials. Biomaterials 2017; 134:1-12. [PMID: 28453953 DOI: 10.1016/j.biomaterials.2017.04.034] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 04/17/2017] [Indexed: 02/09/2023]
Abstract
Design of biomaterials for cell-based therapies requires presentation of specific physical and chemical cues to cells, analogous to cues provided by native extracellular matrices (ECM). We previously identified a peptide sequence with high affinity towards apatite (VTKHLNQISQSY, VTK) using phage display. The aims of this study were to identify a human MSC-specific peptide sequence through phage display, combine it with the apatite-specific sequence, and verify the specificity of the combined dual-functioning peptide to both apatite and human bone marrow stromal cells. In this study, a combinatorial phage display identified the cell binding sequence (DPIYALSWSGMA, DPI) which was combined with the mineral binding sequence to generate the dual peptide DPI-VTK. DPI-VTK demonstrated significantly greater binding affinity (1/KD) to apatite surfaces compared to VTK, phosphorylated VTK (VTKphos), DPI-VTKphos, RGD-VTK, and peptide-free apatite surfaces (p < 0.01), while significantly increasing hBMSC adhesion strength (τ50, p < 0.01). MSCs demonstrated significantly greater adhesion strength to DPI-VTK compared to other cell types, while attachment of MC3T3 pre-osteoblasts and murine fibroblasts was limited (p < 0.01). MSCs on DPI-VTK coated surfaces also demonstrated increased spreading compared to pre-osteoblasts and fibroblasts. MSCs cultured on DPI-VTK coated apatite films exhibited significantly greater proliferation compared to controls (p < 0.001). Moreover, early and late stage osteogenic differentiation markers were elevated on DPI-VTK coated apatite films compared to controls. Taken together, phage display can identify non-obvious cell and material specific peptides to increase human MSC adhesion strength to specific biomaterial surfaces and subsequently increase cell proliferation and differentiation. These new peptides expand biomaterial design methodology for cell-based regeneration of bone defects. This strategy of combining cell and material binding phage display derived peptides is broadly applicable to a variety of systems requiring targeted adhesion of specific cell populations, and may be generalized to the engineering of any adhesion surface.
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Affiliation(s)
- Harsha Ramaraju
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Sharon J Miller
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - David H Kohn
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA; Department of Biologic and Material Sciences, University of Michigan, Ann Arbor, MI, USA.
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Gentile P, Ferreira AM, Callaghan JT, Miller CA, Atkinson J, Freeman C, Hatton PV. Multilayer Nanoscale Encapsulation of Biofunctional Peptides to Enhance Bone Tissue Regeneration In Vivo. Adv Healthc Mater 2017; 6. [PMID: 28169513 DOI: 10.1002/adhm.201601182] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 01/08/2017] [Indexed: 11/09/2022]
Abstract
Bone tissue healing is a dynamic process that is initiated by the recruitment of osteoprogenitor cells followed by their migration, proliferation, differentiation, and development of a mineralizing extracellular matrix. The work aims to manufacture a functionalized porous membrane that stimulates early events in bone healing for initiating a regenerative cascade. Layer-by-layer (LbL) assembly is proposed to modify the surface of osteoconductive electrospun meshes, based on poly(lactic-co-glycolic acid) and nanohydroxyapatite, by using poly(allylamine hydrochloride) and poly(sodium 4-styrenesulfonate) as polyelectrolytes. Molecular cues are incorporated by grafting peptide fragments into the discrete nanolayers. KRSR (lysine-arginine-serine-arginine) sequence is grafted to enhance cell adhesion and proliferation, NSPVNSKIPKACCVPTELSAI to guide bone marrow mesenchymal stem cells differentiation in osteoblasts, and FHRRIKA (phenylalanine-histidine-arginine-arginine-isoleucine-lysine-alanine) to improve mineralization matrix formation. Scanning electron microscopy, infrared spectroscopy, and X-ray photoelectron spectroscopy demonstrate the successful surface functionalization. Furthermore, the peptide incorporation enhances cellular processes, with good viability and significant increase of alkaline phosphatase activity, osteopontin, and osteocalcin. The functionalized membrane induces a favorable in vivo response after implantation for four weeks in nonhealing rat calvarial defect model. It is concluded that the multilayer nanoencapsulation of biofunctional peptides using LbL approach has significant potential as innovative manufacturing technique to improve bone regeneration in orthopedic and craniofacial medical devices.
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Affiliation(s)
- Piergiorgio Gentile
- School of Mechanical and Systems Engineering; Newcastle University; Claremont Road Newcastle upon Tyne NE1 7RU UK
| | - Ana Marina Ferreira
- School of Mechanical and Systems Engineering; Newcastle University; Claremont Road Newcastle upon Tyne NE1 7RU UK
| | - Jill T. Callaghan
- School of Clinical Dentistry; University of Sheffield; 19 Claremont Crescent Sheffield S10 2TA UK
| | - Cheryl A. Miller
- School of Clinical Dentistry; University of Sheffield; 19 Claremont Crescent Sheffield S10 2TA UK
| | - Joss Atkinson
- School of Clinical Dentistry; University of Sheffield; 19 Claremont Crescent Sheffield S10 2TA UK
| | - Christine Freeman
- School of Clinical Dentistry; University of Sheffield; 19 Claremont Crescent Sheffield S10 2TA UK
| | - Paul V. Hatton
- School of Clinical Dentistry; University of Sheffield; 19 Claremont Crescent Sheffield S10 2TA UK
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Yang X, Al Hegy A, Gauthier ER, Gray-Munro J. Influence of mixed organosilane coatings with variable RGD surface densities on the adhesion and proliferation of human osteosarcoma Saos-2 cells to magnesium alloy AZ31. Bioact Mater 2017; 2:35-43. [PMID: 29744409 PMCID: PMC5935023 DOI: 10.1016/j.bioactmat.2017.01.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 01/18/2017] [Accepted: 01/19/2017] [Indexed: 01/23/2023] Open
Abstract
In the last decade, the use of magnesium and its alloys as biodegradable implant materials has become increasingly accepted. However, surface modification of these materials to control the degradation rate in the early stages of healing and improve their biocompatibility is crucial to the successful implementation of magnesium alloy implants in medicine. Cell adhesion and proliferation at the implant surface is a vital factor for successful integration of a biomaterial within the body. Cells accomplish this task by binding to ligands such as the arginine-glycine-aspartic acid peptide sequence (RGD) commonly found on adhesive proteins present in the extracellular matrix. In this paper, we report a biomimetic surface modification strategy involving deposition of a mixed organosilane layer on Mg AZ31 followed by covalent immobilization of RGD peptides through a heterobifunctional cross-linker molecule. Our results indicate that with optimized deposition conditions uniform organosilane coatings were successfully deposited on the Mg AZ31 substrate. Furthermore, we have demonstrated that the surface density of immobilized RGD can be varied by depositing organosilane layers from solutions containing two different organosilanes in specified ratios. Increases in cell adhesion and cell proliferation were observed on the surface modified substrates. A simple method for preparing organosilane coatings with variable RGD surface density was developed. Surface modification resulted in improved cell adhesion compared to bare Mg. Cell proliferation at the mixed organosilane coated magnesium alloy surface was strongly affected by the RGD surface density.
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Affiliation(s)
- Xiaoxi Yang
- Dept. of Chemistry and Biochemistry, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
| | - Afrah Al Hegy
- Dept. of Chemistry and Biochemistry, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
| | - Eric R Gauthier
- Dept. of Chemistry and Biochemistry, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
| | - Joy Gray-Munro
- Dept. of Chemistry and Biochemistry, Laurentian University, Sudbury, Ontario, P3E 2C6, Canada
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Investigation of cellular response to covalent immobilization of peptide and hydrophobic attachment of peptide amphiphiles on substrates. Biochem Eng J 2017. [DOI: 10.1016/j.bej.2016.10.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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50
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Pagel M, Beck-Sickinger AG. Multifunctional biomaterial coatings: synthetic challenges and biological activity. Biol Chem 2017; 398:3-22. [DOI: 10.1515/hsz-2016-0204] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Accepted: 07/29/2016] [Indexed: 12/19/2022]
Abstract
Abstract
A controlled interaction of materials with their surrounding biological environment is of great interest in many fields. Multifunctional coatings aim to provide simultaneous modulation of several biological signals. They can consist of various combinations of bioactive, and bioinert components as well as of reporter molecules to improve cell-material contacts, prevent infections or to analyze biochemical events on the surface. However, specific immobilization and particular assembly of various active molecules are challenging. Herein, an overview of multifunctional coatings for biomaterials is given, focusing on synthetic strategies and the biological benefits by displaying several motifs.
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