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Staehlke S, Barth T, Muench M, Schroeter J, Wendlandt R, Oldorf P, Peters R, Nebe B, Schulz AP. The Impact of Ultrashort Pulse Laser Structuring of Metals on In-Vitro Cell Adhesion of Keratinocytes. J Funct Biomater 2024; 15:34. [PMID: 38391887 PMCID: PMC10889705 DOI: 10.3390/jfb15020034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/24/2024] Open
Abstract
Besides the need for biomaterial surface modification to improve cellular attachment, laser-structuring is favorable for designing a new surface topography for external bone fixator pins or implants. The principle of this study was to observe how bioinspired (deer antler) laser-induced nano-microstructures influenced the adhesion and growth of skin cells. The goal was to create pins that allow the skin to attach to the biomaterial surface in a bacteria-proof manner. Therefore, typical fixator metals, steel, and titanium alloy were structured using ultrashort laser pulses, which resulted in periodical nano- and microstructures. Surface characteristics were investigated using a laser scanning microscope and static water contact angle measurements. In vitro studies with human HaCaT keratinocytes focused on cell adhesion, morphology, actin formation, and growth within 7 days. The study showed that surface functionalization influenced cell attachment, spreading, and proliferation. Micro-dimple clusters on polished bulk metals (DC20) will not hinder viability. Still, they will not promote the initial adhesion and spreading of HaCaTs. In contrast, additional nanostructuring with laser-induced periodic surface structures (LIPSS) promotes cell behavior. DC20 + LIPSS induced enhanced cell attachment with well-spread cell morphology. Thus, the bioinspired structures exhibited a benefit in initial cell adhesion. Laser surface functionalization opens up new possibilities for structuring, and is relevant to developing bioactive implants in regenerative medicine.
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Affiliation(s)
- Susanne Staehlke
- Institute for Cell Biology, University Medical Center Rostock, 18057 Rostock, Germany
| | - Tobias Barth
- Laboratory for Biomechanics, BG Hospital Hamburg, 21033 Hamburg, Germany
| | - Matthias Muench
- Laboratory for Biomechanics, BG Hospital Hamburg, 21033 Hamburg, Germany
| | - Joerg Schroeter
- Clinic for Orthopedics and Trauma Surgery, University Hospital Schleswig-Holstein, Campus Lübeck, 23538 Lübeck, Germany
| | - Robert Wendlandt
- Clinic for Orthopedics and Trauma Surgery, University Hospital Schleswig-Holstein, Campus Lübeck, 23538 Lübeck, Germany
| | - Paul Oldorf
- SLV Mecklenburg-Vorpommern GmbH, 18069 Rostock, Germany
| | - Rigo Peters
- SLV Mecklenburg-Vorpommern GmbH, 18069 Rostock, Germany
| | - Barbara Nebe
- Institute for Cell Biology, University Medical Center Rostock, 18057 Rostock, Germany
| | - Arndt-Peter Schulz
- Laboratory for Biomechanics, BG Hospital Hamburg, 21033 Hamburg, Germany
- Fraunhofer Research Institution for Individualized and Cell-Based Medical Engineering, 23562 Lübeck, Germany
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2
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Lau LN, Cho JH, Jo YH, Yeo ISL. Biological effects of gamma-ray sterilization on 3 mol% yttria-stabilized tetragonal zirconia polycrystal: An in vitro study. J Prosthet Dent 2023; 130:936.e1-936.e9. [PMID: 37802736 DOI: 10.1016/j.prosdent.2023.09.014] [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: 07/16/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 10/08/2023]
Abstract
STATEMENT OF PROBLEM Selecting the sterilization method is important because sterilization can alter the surface chemistry of implant materials, including zirconia, and influence their cellular biocompatibility. Studies on the biological effects of sterilization on implant materials are lacking. PURPOSE The purpose of this in vitro study was to evaluate the biocompatibility of gamma-ray irradiated 3 mol% yttria-stabilized tetragonal zirconia polycrystal (3Y-TZP) compared with unirradiated titanium, 3Y-TZP, and pure gold. MATERIAL AND METHODS Disk-shaped specimens each of commercially pure grade 4 titanium, 3Y-TZP, gamma-rayed 3Y-TZP, and pure gold were prepared and evaluated for osteogenic potential by using a clonal murine cell line of immature osteoblasts derived from mice (MC3T3-E1 cells). The surface topography (n=3), chemical analysis of the disks (n=3), and cell morphology cultured on these surfaces were examined using scanning electron microscopy, confocal laser scanning microscopy, and energy dispersive spectroscopy. Cellular biocompatibility was analyzed for 1 and 3 days after seeding. Cell adhesion and spreading were evaluated using confocal laser scanning microscopy (n=3). Cell proliferation was evaluated using methyl thiazolyl tetrazolium assay (n=3). Kruskal-Wallis and Bonferroni corrections were used to evaluate the statistical significance of the intergroup differences (α=.05). RESULTS Gamma-ray sterilization of 3Y-TZP showed significantly higher surface roughness compared with titanium and gold (P<.002). On day 1, the proliferation and adhesion of MC3T3-E1 cells cultured on gamma-rayed 3Y-TZP were significantly higher than those cultured on gold (P<.05); however, cell spreading was significantly lower than that of titanium on days 1 and 3 (P<.05). On day 3, cell proliferation of gamma-rayed 3Y-TZP was significantly lower than that of unirradiated 3Y-TZP (P<.05). Cell adhesion of gamma-rayed 3Y-TZP was slightly lower than that of zirconia and titanium but without significant difference (P>.05). CONCLUSIONS Gamma-rayed zirconia exhibited increased surface roughness compared with titanium and significantly decreased bioactivity compared with titanium and zirconia. The use of gamma-ray sterilization on zirconia is not promising regarding biocompatibility, and the effect of this sterilization method on implant materials warrants further investigation.
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Affiliation(s)
- Le Na Lau
- Graduate student, Department of Prosthodontics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Jun-Ho Cho
- Clinical Instructor, Department of Prosthodontics, Seoul National University Dental Hospital, Seoul, Republic of Korea
| | - Ye-Hyeon Jo
- Senior Researcher, Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - In-Sung Luke Yeo
- Professor, Department of Prosthodontics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea..
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3
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Villapún VM, Man K, Carter L, Penchev P, Dimov S, Cox S. Laser texturing of additively manufactured implants: A tool to programme biological response. BIOMATERIALS ADVANCES 2023; 153:213574. [PMID: 37542913 DOI: 10.1016/j.bioadv.2023.213574] [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: 01/10/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/07/2023]
Abstract
The advent of additive manufacturing (AM) is rapidly shaping healthcare technologies pushing forward personalisation and enhanced implant functionalisation to improve clinical outcomes. AM techniques such as powder bed fusion (PBF) have been adopted despite the need to modify the as-built surface post manufacture. Medical device manufacturers have focused their efforts on refining various physical and chemical surface finishing approaches, however there is little consensus and some methods risk geometry alteration or contamination. This has led to a growing interest in laser texturing technologies to engineer the device surface. Herein, several bioinspired micro and nano textures were applied to laser PBF Ti-6Al-V4 substrates to alter physicochemical properties and in-turn we sought to understand what influences these alterations had on a human osteosarcoma cell line (MG63). Significant variations in roughness and time dependent contact angles were revealed between different patterns provide a tool to elicit desired biological responses. All surface treatments effectively enhanced early cell behaviour and in particular coverage was increased for the micro-textures. Influence of the patterns on cell differentiation was less consistent with alkaline phosphatase content increased only for the channel, grid and dual textures. While long term (21 days) mineralisation was found to be significantly enhanced in grids, dual, triangles and shark skin textures. Further regression analysis of all physicochemical and biological variables indicated that several properties should be used to strongly correlate cell behaviour, resulting in 82 % of the 21 day mineralisation dataset explained through a combination of roughness kurtosis and glycerol contact angle. Overall, this manuscript demonstrates the ability of laser texturing to offer tailored cell-surface interactions, which can be tuned to offer a tool to drive functional customisation of anatomically customised medical devices.
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Affiliation(s)
- Victor M Villapún
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, United Kingdom.
| | - Kenny Man
- Department of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center, Utrecht GA 3508, the Netherlands
| | - Luke Carter
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, United Kingdom
| | - Pavel Penchev
- Department of Mechanical Engineering, University of Birmingham, Edgbaston B15 2TT, United Kingdom
| | - Stefan Dimov
- Department of Mechanical Engineering, University of Birmingham, Edgbaston B15 2TT, United Kingdom
| | - Sophie Cox
- School of Chemical Engineering, University of Birmingham, Edgbaston B15 2TT, United Kingdom.
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4
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Galitsyna EV, Buianova AA, Kozhukhov VI, Domogatsky SP, Bukharova TB, Goldshtein DV. Cytocompatibility and Osteoinductive Properties of Collagen-Fibronectin Hydrogel Impregnated with siRNA Targeting Glycogen Synthase Kinase 3β: In Vitro Study. Biomedicines 2023; 11:2363. [PMID: 37760805 PMCID: PMC10525875 DOI: 10.3390/biomedicines11092363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/16/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
In this study, we developed an osteoplastic material based on collagen-fibronectin hydrogel impregnated with siRNA molecules targeting glycogen synthase kinase 3β (GSK3β), which inhibits the osteogenic differentiation of mesenchymal stem cells. The hydrogel impregnated with polyplexes containing siRNA GSK3β and polyethylenimine has been shown to have no cytotoxic effect: there was no statistically significant change in the cell's viability after 7 days of incubation in its presence compared to the control group. On days 2 and 7, an increase in the level of expression of markers of osteogenic differentiation was observed, which confirms the osteoinductive qualities of the material. It has been demonstrated that the hydrogel maintains cell adhesion. Our results obtained in vitro indicate cytocompatibility and osteoinductive properties of collagen-fibronectin hydrogel impregnated with siRNA GSK3β molecules.
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Affiliation(s)
- Elena V. Galitsyna
- Research Centre for Medical Genetics, 1 Moskvorechye Str., 115522 Moscow, Russia
| | | | - Vadim I. Kozhukhov
- Federal State Budgetary Institution, National Medical Research Centre of Cardiology, Ministry of Health of the Russian Federation, 121552 Moscow, Russia
| | - Sergey P. Domogatsky
- Federal State Budgetary Institution, National Medical Research Centre of Cardiology, Ministry of Health of the Russian Federation, 121552 Moscow, Russia
| | - Tatiana B. Bukharova
- Research Centre for Medical Genetics, 1 Moskvorechye Str., 115522 Moscow, Russia
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Zhang X, Karagöz Z, Swapnasrita S, Habibovic P, Carlier A, van Rijt S. Development of Mesoporous Silica Nanoparticle-Based Films with Tunable Arginine-Glycine-Aspartate Peptide Global Density and Clustering Levels to Study Stem Cell Adhesion and Differentiation. ACS APPLIED MATERIALS & INTERFACES 2023; 15:38171-38184. [PMID: 37527490 PMCID: PMC10436245 DOI: 10.1021/acsami.3c04249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/20/2023] [Indexed: 08/03/2023]
Abstract
Stem cell adhesion is mediated via the binding of integrin receptors to adhesion motifs present in the extracellular matrix (ECM). The spatial organization of adhesion ligands plays an important role in stem cell integrin-mediated adhesion. In this study, we developed a series of biointerfaces using arginine-glycine-aspartate (RGD)-functionalized mesoporous silica nanoparticles (MSN-RGD) to study the effect of RGD adhesion ligand global density (ligand coverage over the surface), spacing, and RGD clustering levels on stem cell adhesion and differentiation. To prepare the biointerface, MSNs were chemically functionalized with RGD peptides via an antifouling poly(ethylene glycol) (PEG) linker. The RGD surface functionalization ratio could be controlled to create MSNs with high and low RGD ligand clustering levels. MSN films with varying RGD global densities could be created by blending different ratios of MSN-RGD and non-RGD-functionalized MSNs together. A computational simulation study was performed to analyze nanoparticle distribution and RGD spacing on the resulting surfaces to determine experimental conditions. Enhanced cell adhesion and spreading were observed when RGD global density increased from 1.06 to 5.32 nmol cm-2 using highly clustered RGD-MSN-based films. Higher RGD ligand clustering levels led to larger cell spreading and increased formation of focal adhesions. Moreover, a higher RGD ligand clustering level promoted the expression of alkaline phosphatase in hMSCs. Overall, these findings indicate that both RGD global density and clustering levels are crucial variables in regulating stem cell behaviors. This study provides important information about ligand-integrin interactions, which could be implemented into biomaterial design to achieve optimal performance of adhesive functional peptides.
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Affiliation(s)
- Xingzhen Zhang
- Department of Instructive
Biomaterials Engineering MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Zeynep Karagöz
- Department of Instructive
Biomaterials Engineering MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Sangita Swapnasrita
- Department of Instructive
Biomaterials Engineering MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Pamela Habibovic
- Department of Instructive
Biomaterials Engineering MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Aurélie Carlier
- Department of Instructive
Biomaterials Engineering MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
| | - Sabine van Rijt
- Department of Instructive
Biomaterials Engineering MERLN Institute for Technology-Inspired Regenerative
Medicine, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
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6
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Woodbury SM, Swanson WB, Mishina Y. Mechanobiology-informed biomaterial and tissue engineering strategies for influencing skeletal stem and progenitor cell fate. Front Physiol 2023; 14:1220555. [PMID: 37520820 PMCID: PMC10373313 DOI: 10.3389/fphys.2023.1220555] [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: 05/10/2023] [Accepted: 07/05/2023] [Indexed: 08/01/2023] Open
Abstract
Skeletal stem and progenitor cells (SSPCs) are the multi-potent, self-renewing cell lineages that form the hematopoietic environment and adventitial structures of the skeletal tissues. Skeletal tissues are responsible for a diverse range of physiological functions because of the extensive differentiation potential of SSPCs. The differentiation fates of SSPCs are shaped by the physical properties of their surrounding microenvironment and the mechanical loading forces exerted on them within the skeletal system. In this context, the present review first highlights important biomolecules involved with the mechanobiology of how SSPCs sense and transduce these physical signals. The review then shifts focus towards how the static and dynamic physical properties of microenvironments direct the biological fates of SSPCs, specifically within biomaterial and tissue engineering systems. Biomaterial constructs possess designable, quantifiable physical properties that enable the growth of cells in controlled physical environments both in-vitro and in-vivo. The utilization of biomaterials in tissue engineering systems provides a valuable platform for controllably directing the fates of SSPCs with physical signals as a tool for mechanobiology investigations and as a template for guiding skeletal tissue regeneration. It is paramount to study this mechanobiology and account for these mechanics-mediated behaviors to develop next-generation tissue engineering therapies that synergistically combine physical and chemical signals to direct cell fate. Ultimately, taking advantage of the evolved mechanobiology of SSPCs with customizable biomaterial constructs presents a powerful method to predictably guide bone and skeletal organ regeneration.
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Affiliation(s)
- Seth M. Woodbury
- Yuji Mishina Laboratory, University of Michigan School of Dentistry, Department of Biologic and Materials Science & Prosthodontics, Ann Arbor, MI, United States
- University of Michigan College of Literature, Science, and Arts, Department of Chemistry, Ann Arbor, MI, United States
- University of Michigan College of Literature, Science, and Arts, Department of Physics, Ann Arbor, MI, United States
| | - W. Benton Swanson
- Yuji Mishina Laboratory, University of Michigan School of Dentistry, Department of Biologic and Materials Science & Prosthodontics, Ann Arbor, MI, United States
| | - Yuji Mishina
- Yuji Mishina Laboratory, University of Michigan School of Dentistry, Department of Biologic and Materials Science & Prosthodontics, Ann Arbor, MI, United States
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7
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Pérez-Moreno A, Piñero M, Fernández-Montesinos R, Pinaglia-Tobaruela G, Reyes-Peces MV, Mesa-Díaz MDM, Vilches-Pérez JI, Esquivias L, de la Rosa-Fox N, Salido M. Chitosan-Silica Hybrid Biomaterials for Bone Tissue Engineering: A Comparative Study of Xerogels and Aerogels. Gels 2023; 9:gels9050383. [PMID: 37232975 DOI: 10.3390/gels9050383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/26/2023] [Accepted: 04/29/2023] [Indexed: 05/27/2023] Open
Abstract
Chitosan (CS) is a natural biopolymer that shows promise as a biomaterial for bone-tissue regeneration. However, because of their limited ability to induce cell differentiation and high degradation rate, among other drawbacks associated with its use, the creation of CS-based biomaterials remains a problem in bone tissue engineering research. Here we aimed to reduce these disadvantages while retaining the benefits of potential CS biomaterial by combining it with silica to provide sufficient additional structural support for bone regeneration. In this work, CS-silica xerogel and aerogel hybrids with 8 wt.% CS content, designated SCS8X and SCS8A, respectively, were prepared by sol-gel method, either by direct solvent evaporation at the atmospheric pressure or by supercritical drying in CO2, respectively. As reported in previous studies, it was confirmed that both types of mesoporous materials exhibited large surface areas (821 m2g-1-858 m2g-1) and outstanding bioactivity, as well as osteoconductive properties. In addition to silica and chitosan, the inclusion of 10 wt.% of tricalcium phosphate (TCP), designated SCS8T10X, was also considered, which stimulates a fast bioactive response of the xerogel surface. The results here obtained also demonstrate that xerogels induced earlier cell differentiation than the aerogels with identical composition. In conclusion, our study shows that the sol-gel synthesis of CS-silica xerogels and aerogels enhances not only their bioactive response, but also osteoconduction and cell differentiation properties. Therefore, these new biomaterials should provide adequate secretion of the osteoid for a fast bone regeneration.
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Affiliation(s)
- Antonio Pérez-Moreno
- Departamento de Física de la Materia Condensada, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real, Spain
| | - Manuel Piñero
- Departamento de Física de la Materia Condensada, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real, Spain
- Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cadiz, 11510 Cádiz, Spain
| | - Rafael Fernández-Montesinos
- Instituto de Biomedicina de Cádiz (INIBICA), Universidad de Cadiz, 11510 Cádiz, Spain
- Departamento de Histología, SCIBM, Facultad de Medicina, Universidad de Cádiz, 11004 Cádiz, Spain
| | - Gonzalo Pinaglia-Tobaruela
- Instituto de Biomedicina de Cádiz (INIBICA), Universidad de Cadiz, 11510 Cádiz, Spain
- Departamento de Histología, SCIBM, Facultad de Medicina, Universidad de Cádiz, 11004 Cádiz, Spain
| | - María V Reyes-Peces
- Departamento de Física de la Materia Condensada, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real, Spain
| | - María Del Mar Mesa-Díaz
- Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cadiz, 11510 Cádiz, Spain
- Departamento de Ingeniería Química, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real, Spain
| | - José Ignacio Vilches-Pérez
- Instituto de Biomedicina de Cádiz (INIBICA), Universidad de Cadiz, 11510 Cádiz, Spain
- Departamento de Histología, SCIBM, Facultad de Medicina, Universidad de Cádiz, 11004 Cádiz, Spain
| | - Luis Esquivias
- Departamento de Física de la Materia Condensada, Universidad de Sevilla, 41012 Sevilla, Spain
| | - Nicolás de la Rosa-Fox
- Departamento de Física de la Materia Condensada, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real, Spain
- Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cadiz, 11510 Cádiz, Spain
| | - Mercedes Salido
- Instituto de Biomedicina de Cádiz (INIBICA), Universidad de Cadiz, 11510 Cádiz, Spain
- Departamento de Histología, SCIBM, Facultad de Medicina, Universidad de Cádiz, 11004 Cádiz, Spain
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8
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Lee SJ, Kim JE, Jung JW, Choi YJ, Gong JE, Douangdeuane B, Souliya O, Choi YW, Seo SB, Hwang DY. Novel role of Dipterocarpus tuberculatus as a stimulator of focal cell adhesion through the regulation of MLC2/FAK/Akt signaling pathway. Cell Adh Migr 2022; 16:72-93. [PMID: 35615953 PMCID: PMC9154806 DOI: 10.1080/19336918.2022.2073002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
To investigate a novel function of Dipterocarpus tuberculatus on focal cell adhesion stimulation, alterations to the regulation of focal cell adhesion-related factors were analyzed in NHDF cells and a calvarial defect rat model after treatment with methanol extracts of D. tuberculatus (MED). MED contained gallic acid, caffeic acid, ellagic acid, and naringenin in high concentrations. The proliferation activity, focal cell adhesion ability, adhesion receptors-mediated signaling pathway in NHDF cells were increased by MED. Also, a dense adhered tissue layer and adherent cells on MED-coated titanium plate (MEDTiP) surfaces were detected during regeneration of calvarial bone. The results of the present study provide novel evidence that MED may stimulate focal cell adhesion in NHDF cells and a calvarial defect rat model.
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Affiliation(s)
- Su Jin Lee
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute/Laboratory Animals Resources Center, Pusan National University, Miryang, Republic of Korea
| | - Ji Eun Kim
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute/Laboratory Animals Resources Center, Pusan National University, Miryang, Republic of Korea
| | - Jae Won Jung
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute/Laboratory Animals Resources Center, Pusan National University, Miryang, Republic of Korea
| | - Yun Ju Choi
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute/Laboratory Animals Resources Center, Pusan National University, Miryang, Republic of Korea
| | - Jeong Eun Gong
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute/Laboratory Animals Resources Center, Pusan National University, Miryang, Republic of Korea
| | - Bounleuane Douangdeuane
- Department of products development, Institute of Traditional Medicine, Ministry of Health, Vientiane, Lao PDR
| | - Onevilay Souliya
- Department of products development, Institute of Traditional Medicine, Ministry of Health, Vientiane, Lao PDR
| | - Young Whan Choi
- Department of Horticultural Bioscience, Pusan National University, Miryang, Republic of Korea
| | - Sung Baek Seo
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute/Laboratory Animals Resources Center, Pusan National University, Miryang, Republic of Korea
| | - Dae Youn Hwang
- Department of Biomaterials Science (BK21 FOUR Program), College of Natural Resources and Life Science/Life and Industry Convergence Research Institute/Laboratory Animals Resources Center, Pusan National University, Miryang, Republic of Korea
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9
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Shirazi S, Ravindran S, Cooper LF. Topography-mediated immunomodulation in osseointegration; Ally or Enemy. Biomaterials 2022; 291:121903. [PMID: 36410109 PMCID: PMC10148651 DOI: 10.1016/j.biomaterials.2022.121903] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022]
Abstract
Osteoimmunology is at full display during endosseous implant osseointegration. Bone formation, maintenance and resorption at the implant surface is a result of bidirectional and dynamic reciprocal communication between the bone and immune cells that extends beyond the well-defined osteoblast-osteoclast signaling. Implant surface topography informs adherent progenitor and immune cell function and their cross-talk to modulate the process of bone accrual. Integrating titanium surface engineering with the principles of immunology is utilized to harness the power of immune system to improve osseointegration in healthy and diseased microenvironments. This review summarizes current information regarding immune cell-titanium implant surface interactions and places these events in the context of surface-mediated immunomodulation and bone regeneration. A mechanistic approach is directed in demonstrating the central role of osteoimmunology in the process of osseointegration and exploring how regulation of immune cell function at the implant-bone interface may be used in future control of clinical therapies. The process of peri-implant bone loss is also informed by immunomodulation at the implant surface. How surface topography is exploited to prevent osteoclastogenesis is considered herein with respect to peri-implant inflammation, osteoclastic precursor-surface interactions, and the upstream/downstream effects of surface topography on immune and progenitor cell function.
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Affiliation(s)
- Sajjad Shirazi
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA.
| | - Sriram Ravindran
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA
| | - Lyndon F Cooper
- School of Dentistry, Virginia Commonwealth University, Richmond, VA, USA.
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10
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Erturk P, Altuntas S, Irmak G, Buyukserin F. Bioinspired Collagen/Gelatin Nanopillared Films as a Potential Implant Coating Material. ACS APPLIED BIO MATERIALS 2022; 5:4913-4921. [PMID: 36203409 PMCID: PMC9580019 DOI: 10.1021/acsabm.2c00633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 09/30/2022] [Indexed: 11/28/2022]
Abstract
Collagen-based Sharpey's fibers are naturally located between alveolar bone and tooth, and they have critical roles in a well-functioning tooth such as mechanical stability, facile differentiation, and disease protection. The success of Sharpey's fibers in these important roles is due to their unique location, vertical alignment with respect to tooth surface, as well as their micronanofiber architecture. Inspired by these structures, herein, we introduce the use of nanoporous anodic aluminum oxide molds in a drop-casting setup to fabricate biopolymeric films possessing arrays of uniform Collagen:Gelatin (Col:Gel) nanopillars. Obtained structures have diameters of ∼90 nm and heights of ∼300 nm, yielding significantly higher surface roughness values compared to their flat counterparts. More importantly, the nanostructures were parallel to each other but perpendicular to the underlying film surface imitating the natural collagenous structures of Sharpey's fibers regarding nanoscale morphology, geometrical orientation, as well as biochemical content. Viability testing showed that the nanopillared Col:Gel films have high cell viabilities (over 90%), and they display significantly improved attachment (ca. ∼ 2 times) and mineralization for Saos-2 cells when compared to flat Col:Gel films and Tissue Culture Polystyrene (TCPS) controls, plausibly due to their largely increased surface roughness and area. Hence, such Sharpey's fiber-inspired bioactive nanopillared Col:Gel films can be used as a dental implant coating material or tissue engineering platform with enhanced cellular and osteogenic properties.
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Affiliation(s)
- Pinar
Alpaslan Erturk
- TOBB
University of Economics and Technology, Biomedical Engineering, 06560Ankara, Turkey
| | - Sevde Altuntas
- University
of Health Sciences Turkey, Tissue Engineering Department, Experimental Medicine Research and
Application Center, Validebag
Research Park, 34662Istanbul, Turkey
| | - Gulseren Irmak
- Malatya
Turgut Ozal University, Department of Bioengineering, 44210Malatya, Turkey
| | - Fatih Buyukserin
- TOBB
University of Economics and Technology, Biomedical Engineering, 06560Ankara, Turkey
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11
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Modaresifar K, Ganjian M, Díaz-Payno PJ, Klimopoulou M, Koedam M, van der Eerden BC, Fratila-Apachitei LE, Zadpoor AA. Mechanotransduction in high aspect ratio nanostructured meta-biomaterials: The role of cell adhesion, contractility, and transcriptional factors. Mater Today Bio 2022; 16:100448. [PMID: 36238966 PMCID: PMC9552121 DOI: 10.1016/j.mtbio.2022.100448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 09/27/2022] [Accepted: 09/29/2022] [Indexed: 11/29/2022] Open
Abstract
Black Ti (bTi) surfaces comprising high aspect ratio nanopillars exhibit a rare combination of bactericidal and osteogenic properties, framing them as cell-instructive meta-biomaterials. Despite the existing data indicating that bTi surfaces induce osteogenic differentiation in cells, the mechanisms by which this response is regulated are not fully understood. Here, we hypothesized that high aspect ratio bTi nanopillars regulate cell adhesion, contractility, and nuclear translocation of transcriptional factors, thereby inducing an osteogenic response in the cells. Upon the observation of significant changes in the morphological characteristics, nuclear localization of Yes-associated protein (YAP), and Runt-related transcription factor 2 (Runx2) expression in the human bone marrow-derived mesenchymal stem cells (hMSCs), we inhibited focal adhesion kinase (FAK), Rho-associated protein kinase (ROCK), and YAP in separate experiments to elucidate their effects on the subsequent expression of Runx2. Our findings indicated that the increased expression of Runx2 in the cells residing on the bTi nanopillars compared to the flat Ti is highly dependent on the activity of FAK and ROCK. A mechanotransduction pathway is then postulated in which the FAK-dependent adhesion of cells to the extreme topography of the surface is in close relation with ROCK to increase the endogenous forces within the cells, eventually determining the cell shape and area. The nuclear translocation of YAP may also enhance in response to the changes in cell shape and area, resulting in the translation of mechanical stimuli to biochemical factors such as Runx2.
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Affiliation(s)
- Khashayar Modaresifar
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, 2628CD, Delft, the Netherlands,Corresponding author.
| | - Mahya Ganjian
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, 2628CD, Delft, the Netherlands
| | - Pedro J. Díaz-Payno
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, 2628CD, Delft, the Netherlands,Department of Orthopedics and Sports Medicine, Erasmus MC University Medical Center, Doctor Molewaterplein 40, 3015GD, Rotterdam, the Netherlands
| | - Maria Klimopoulou
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, 2628CD, Delft, the Netherlands
| | - Marijke Koedam
- Department of Internal Medicine, Erasmus MC University Medical Center, Doctor Molewaterplein 40, 3015GD, Rotterdam, the Netherlands
| | - Bram C.J. van der Eerden
- Department of Internal Medicine, Erasmus MC University Medical Center, Doctor Molewaterplein 40, 3015GD, Rotterdam, the Netherlands
| | - Lidy E. Fratila-Apachitei
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, 2628CD, Delft, the Netherlands
| | - Amir A. Zadpoor
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, 2628CD, Delft, the Netherlands
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12
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Oliver-Cervelló L, Martin-Gómez H, Mandakhbayar N, Jo YW, Cavalcanti-Adam EA, Kim HW, Ginebra MP, Lee JH, Mas-Moruno C. Mimicking Bone Extracellular Matrix: From BMP-2-Derived Sequences to Osteogenic-Multifunctional Coatings. Adv Healthc Mater 2022; 11:e2201339. [PMID: 35941083 DOI: 10.1002/adhm.202201339] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Indexed: 01/28/2023]
Abstract
Cell-material interactions are regulated by mimicking bone extracellular matrix on the surface of biomaterials. In this regard, reproducing the extracellular conditions that promote integrin and growth factor (GF) signaling is a major goal to trigger bone regeneration. Thus, the use of synthetic osteogenic domains derived from bone morphogenetic protein 2 (BMP-2) is gaining increasing attention, as this strategy is devoid of the clinical risks associated with this molecule. In this work, the wrist and knuckle epitopes of BMP-2 are screened to identify peptides with potential osteogenic properties. The most active sequences (the DWIVA motif and its cyclic version) are combined with the cell adhesive RGD peptide (linear and cyclic variants), to produce tailor-made biomimetic peptides presenting the bioactive cues in a chemically and geometrically defined manner. Such multifunctional peptides are next used to functionalize titanium surfaces. Biological characterization with mesenchymal stem cells demonstrates the ability of the biointerfaces to synergistically enhance cell adhesion and osteogenic differentiation. Furthermore, in vivo studies in rat calvarial defects prove the capacity of the biomimetic coatings to improve new bone formation and reduce fibrous tissue thickness. These results highlight the potential of mimicking integrin-GF signaling with synthetic peptides, without the need for exogenous GFs.
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Affiliation(s)
- Lluís Oliver-Cervelló
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, 08019, Spain.,Barcelona Research Center in Multiscale Science and Engineering, UPC, Barcelona, 08019, Spain
| | - Helena Martin-Gómez
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, 08019, Spain.,Barcelona Research Center in Multiscale Science and Engineering, UPC, Barcelona, 08019, Spain
| | - Nandin Mandakhbayar
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 330-714, Republic of Korea.,Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 330-714, Republic of Korea.,Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 330-714, Republic of Korea
| | - Young-Woo Jo
- Neobiotech Co., Ltd R&D Center, Seoul, 08381, Republic of Korea
| | - Elisabetta Ada Cavalcanti-Adam
- Department of Cellular Biophysics, Growth Factor Mechanobiology group, Max Planck Institute for Medical Research Jahnstraße 29, 69120, Heidelberg, Germany
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 330-714, Republic of Korea.,Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 330-714, Republic of Korea.,Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 330-714, Republic of Korea
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, 08019, Spain.,Barcelona Research Center in Multiscale Science and Engineering, UPC, Barcelona, 08019, Spain.,Institute for Bioengineering of Catalonia, Barcelona, 08028, Spain
| | - Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 330-714, Republic of Korea.,Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 330-714, Republic of Korea.,Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan, 330-714, Republic of Korea
| | - Carlos Mas-Moruno
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, 08019, Spain.,Barcelona Research Center in Multiscale Science and Engineering, UPC, Barcelona, 08019, Spain
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13
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Sahan AZ, Baday M, Patel CB. Biomimetic Hydrogels in the Study of Cancer Mechanobiology: Overview, Biomedical Applications, and Future Perspectives. Gels 2022; 8:gels8080496. [PMID: 36005097 PMCID: PMC9407355 DOI: 10.3390/gels8080496] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/26/2022] [Accepted: 07/02/2022] [Indexed: 11/18/2022] Open
Abstract
Hydrogels are biocompatible polymers that are tunable to the system under study, allowing them to be widely used in medicine, bioprinting, tissue engineering, and biomechanics. Hydrogels are used to mimic the three-dimensional microenvironment of tissues, which is essential to understanding cell–cell interactions and intracellular signaling pathways (e.g., proliferation, apoptosis, growth, and survival). Emerging evidence suggests that the malignant properties of cancer cells depend on mechanical cues that arise from changes in their microenvironment. These mechanobiological cues include stiffness, shear stress, and pressure, and have an impact on cancer proliferation and invasion. The hydrogels can be tuned to simulate these mechanobiological tissue properties. Although interest in and research on the biomedical applications of hydrogels has increased in the past 25 years, there is still much to learn about the development of biomimetic hydrogels and their potential applications in biomedical and clinical settings. This review highlights the application of hydrogels in developing pre-clinical cancer models and their potential for translation to human disease with a focus on reviewing the utility of such models in studying glioblastoma progression.
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Affiliation(s)
- Ayse Z. Sahan
- Biomedical Sciences Graduate Program, Department of Pharmacology, School of Medicine, University California at San Diego, 9500 Gilman Drive, San Diego, CA 92093, USA
| | - Murat Baday
- Department of Neurology and Neurological Sciences, School of Medicine, Stanford University, Stanford, CA 94305, USA
- Precision Health and Integrated Diagnostics Center, School of Medicine, Stanford University, Stanford, CA 94305, USA
- Correspondence: (M.B.); (C.B.P.)
| | - Chirag B. Patel
- Department of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
- Neuroscience Graduate Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences (GSBS), Houston, TX 77030, USA
- Cancer Biology Program, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences (GSBS), Houston, TX 77030, USA
- Correspondence: (M.B.); (C.B.P.)
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14
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Impact of Treadmill Interval Running on the Appearance of Zinc Finger Protein FHL2 in Bone Marrow Cells in a Rat Model: A Pilot Study. Life (Basel) 2022; 12:life12040528. [PMID: 35455019 PMCID: PMC9029125 DOI: 10.3390/life12040528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 11/17/2022] Open
Abstract
Although the benefits of physical exercise to preserve bone quality are now widely recognized, the intimate mechanisms leading to the underlying cell responses still require further investigations. Interval training running, for instance, appears as a generator of impacts on the skeleton, and particularly on the progenitor cells located in the bone marrow. Therefore, if this kind of stimulus initiates bone cell proliferation and differentiation, the activation of a devoted signaling pathway by mechano-transduction seems likely. This study aimed at investigating the effects of an interval running program on the appearance of the zinc finger protein FHL2 in bone cells and their anatomical location. Twelve 5-week-old male Wistar rats were randomly allocated to one of the following groups (n = 6 per group): sedentary control (SED) or high-intensity interval running (EX, 8 consecutive weeks). FHL2 identification in bone cells was performed by immuno-histochemistry on serial sections of radii. We hypothesized that impacts generated by running could activate, in vivo, a specific signaling pathway, through an integrin-mediated mechano-transductive process, leading to the synthesis of FHL2 in bone marrow cells. Our data demonstrated the systematic appearance of FHL2 (% labeled cells: 7.5%, p < 0.001) in bone marrow obtained from EX rats, whereas no FHL2 was revealed in SED rats. These results suggest that the mechanical impacts generated during high-intensity interval running activate a signaling pathway involving nuclear FHL2, such as that also observed with dexamethasone administration. Consequently, interval running could be proposed as a non-pharmacological strategy to contribute to bone marrow cell osteogenic differentiation.
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15
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Kim HY, Kim BH, Kim MS. Amine Plasma-Polymerization of 3D Polycaprolactone/β-Tricalcium Phosphate Scaffold to Improving Osteogenic Differentiation In Vitro. MATERIALS 2022; 15:ma15010366. [PMID: 35009509 PMCID: PMC8745968 DOI: 10.3390/ma15010366] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 12/20/2021] [Accepted: 01/02/2022] [Indexed: 01/19/2023]
Abstract
This study aims to investigate the surface characterization and pre-osteoblast biological behaviors on the three-dimensional (3D) poly(ε-caprolactone)/β-tricalcium phosphate (β-TCP) scaffold modified by amine plasma-polymerization. The 3D PCL scaffolds were fabricated using fused deposition modeling (FDM) 3D printing. To improve the pre-osteoblast bioactivity, the 3D PCL scaffold was modified by adding β-TCP nanoparticles, and then scaffold surfaces were modified by amine plasma-polymerization using monomer allylamine (AA) and 1,2-diaminocyclohexane (DACH). After the plasma-polymerization of PCL/β-TCP, surface characterizations such as contact angle, AFM, XRD, and FTIR were evaluated. In addition, mechanical strength was measured by UTM. The pre-osteoblast bioactivities were evaluated by focal adhesion and cell proliferation. Osteogenic differentiation was investigated by ALP activity, Alizarin red staining, and Western blot. Plasma-polymerization induced the increase in hydrophilicity of the surface of the 3D PCL/β-TCP scaffold due to the deposition of amine polymeric thin film on the scaffold surface. Focal adhesion and proliferation of pre-osteoblast improved, and osteogenic differentiation was increased. These results indicated that 3D PCL/β-TCP scaffolds treated with DACH plasma-polymerization showed the highest bioactivity compared to the other samples. We suggest that 3D PCL/β-TCP scaffolds treated with DACH and AA plasma-polymerization can be used as a promising candidate for osteoblast differentiation of pre-osteoblast.
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Affiliation(s)
- Hee-Yeon Kim
- BioMedical Sciences Graduate Program (BMSGP), Chonnam National University, Hwasun 58128, Korea;
- Department of Dental Materials, College of Dentistry, Chosun University, Gwangju 61452, Korea
| | - Byung-Hoon Kim
- Department of Dental Materials, College of Dentistry, Chosun University, Gwangju 61452, Korea
- Correspondence: (B.-H.K.); (M.-S.K.); Tel.: +82-62-230-6447 (B.-H.K.); +82-62-227-1640 (M.-S.K.)
| | - Myung-Sun Kim
- Department of Orthopaedic Surgery, College of Medicine, Chonnam National University, Gwangju 61469, Korea
- Correspondence: (B.-H.K.); (M.-S.K.); Tel.: +82-62-230-6447 (B.-H.K.); +82-62-227-1640 (M.-S.K.)
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16
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Barlian A, Vanya K. Nanotopography in directing osteogenic differentiation of mesenchymal stem cells: potency and future perspective. Future Sci OA 2022; 8:FSO765. [PMID: 34900339 PMCID: PMC8656311 DOI: 10.2144/fsoa-2021-0097] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/14/2021] [Indexed: 12/11/2022] Open
Abstract
Severe bone injuries can result in disabilities and thus affect a person's quality of life. Mesenchymal stem cells (MSCs) can be an alternative for bone healing by growing them on nanopatterned substrates that provide mechanical signals for differentiation. This review aims to highlight the role of nanopatterns in directing or inducing MSC osteogenic differentiation, especially in bone tissue engineering. Nanopatterns can upregulate the expression of osteogenic markers, which indicates a faster differentiation process. Combined with growth factors, nanopatterns can further upregulate osteogenic markers, but with fewer growth factors needed, thereby reducing the risks and costs involved. Nanopatterns can be applied in scaffolds for tissue engineering for their lasting effects, even in vivo, thus having great potential for future bone treatment.
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Affiliation(s)
- Anggraini Barlian
- School of Life Science & Technology, Institute of Technology Bandung, Bandung, West Java, 40132, Indonesia
- Research Center for Nanosciences & Nanotechnology, Institute of Technology Bandung, Bandung, West Java, 40132, Indonesia
| | - Katherine Vanya
- School of Life Science & Technology, Institute of Technology Bandung, Bandung, West Java, 40132, Indonesia
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17
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Li J, Li J, Wei Y, Xu N, Li J, Pu X, Wang J, Huang Z, Liao X, Yin G. Ion release behavior of vanadium-doped mesoporous bioactive glass particles and the effect of the released ions on osteogenic differentiation of BMSCs via the FAK/MAPK signaling pathway. J Mater Chem B 2021; 9:7848-7865. [PMID: 34586154 DOI: 10.1039/d1tb01479j] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Vanadium is an important trace element in bone and is involved in bone metabolism, bone formation, and bone growth, but the roles of various vanadium ions, especially of pentavalent vanadium, in bone tissue regenerative repair have been underestimated and even misinterpreted for a long time. The main purposes of this study are to investigate the release profile of Si, Ca, P, and V ions from vanadium doped mesoporous bioactive glass (V-MBG) particles and to explore the effect of pentavalent vanadium ions on proliferation and osteogenic differentiation of BMSCs as well as the corresponding osteogenic signaling pathway. On the basis of preparations of V-MBG particles with different pentavalent vanadium contents, the ion release behavior from V-MBG in distilled water and simulated body fluid was systemically investigated. Furthermore, the cytocompatibility and osteogenic effect of V-MBG extracts were studied in rBMSCs, and the related molecular mechanisms were preliminarily discussed. The results of dissolution experiments showed that the V ionic concentration exhibited a burst increase and then a sustained slow increase in the two media. The resultant V ions from 1.0V-MBG, 4.0V-MBG and 10.0V-MBG at 21 days were about 1.1, 5.8, and 12.5 mg L-1 in water, respectively, and 1.6, 4.8 and 12.8 mg L-1 in SBF, respectively. The release behaviors of Si, Ca, P, and V ions were evidently affected by high contents of incorporated vanadium. The cellular results indicated that compared to the control and MBG groups, the V(V) ions in V-MBG extracts at about 19.4 μM markedly promoted the proliferation, the gene and protein expression of BMP-2 and COL-I, and the ALP activity of rBMSCs in non-osteoinductive media, but insignificantly stimulated the OCN protein synthesis. More deeply, V(V) ions at about 19.4 μM significantly upregulated the gene and protein expressions of Itga 2b, FAK, and pERK1/2, demonstrating that V(V) ions could regulate osteogenic differentiation of rBMSCs through the activation of the Itga 2b-FAK-MAPK (pERK1/2) signaling pathway. The in vivo results further confirmed that V-MBG induced and promoted new bone formation in the defect area compared to the PGC and PGC/V-M0 groups. These results would contribute to modify the perception about the biocompatibility and osteogenic promotion of pentavalent vanadium at an appropriate concentration.
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Affiliation(s)
- Jiangfeng Li
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Junying Li
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Yuhao Wei
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Na Xu
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Jingtao Li
- Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Ximing Pu
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Juan Wang
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Zhongbing Huang
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Xiaoming Liao
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
| | - Guangfu Yin
- College of Biomedical Engineering, Sichuan University, No. 24, South 1st Section, 1st Ring Road, Chengdu, 610065, P. R. China.
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18
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Vernerey FJ, Lalitha Sridhar S, Muralidharan A, Bryant SJ. Mechanics of 3D Cell-Hydrogel Interactions: Experiments, Models, and Mechanisms. Chem Rev 2021; 121:11085-11148. [PMID: 34473466 DOI: 10.1021/acs.chemrev.1c00046] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hydrogels are highly water-swollen molecular networks that are ideal platforms to create tissue mimetics owing to their vast and tunable properties. As such, hydrogels are promising cell-delivery vehicles for applications in tissue engineering and have also emerged as an important base for ex vivo models to study healthy and pathophysiological events in a carefully controlled three-dimensional environment. Cells are readily encapsulated in hydrogels resulting in a plethora of biochemical and mechanical communication mechanisms, which recapitulates the natural cell and extracellular matrix interaction in tissues. These interactions are complex, with multiple events that are invariably coupled and spanning multiple length and time scales. To study and identify the underlying mechanisms involved, an integrated experimental and computational approach is ideally needed. This review discusses the state of our knowledge on cell-hydrogel interactions, with a focus on mechanics and transport, and in this context, highlights recent advancements in experiments, mathematical and computational modeling. The review begins with a background on the thermodynamics and physics fundamentals that govern hydrogel mechanics and transport. The review focuses on two main classes of hydrogels, described as semiflexible polymer networks that represent physically cross-linked fibrous hydrogels and flexible polymer networks representing the chemically cross-linked synthetic and natural hydrogels. In this review, we highlight five main cell-hydrogel interactions that involve key cellular functions related to communication, mechanosensing, migration, growth, and tissue deposition and elaboration. For each of these cellular functions, recent experiments and the most up to date modeling strategies are discussed and then followed by a summary of how to tune hydrogel properties to achieve a desired functional cellular outcome. We conclude with a summary linking these advancements and make the case for the need to integrate experiments and modeling to advance our fundamental understanding of cell-matrix interactions that will ultimately help identify new therapeutic approaches and enable successful tissue engineering.
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Affiliation(s)
- Franck J Vernerey
- Department of Mechanical Engineering, University of Colorado at Boulder, 1111 Engineering Drive, Boulder, Colorado 80309-0428, United States.,Materials Science and Engineering Program, University of Colorado at Boulder, 4001 Discovery Drive, Boulder, Colorado 80309-613, United States
| | - Shankar Lalitha Sridhar
- Department of Mechanical Engineering, University of Colorado at Boulder, 1111 Engineering Drive, Boulder, Colorado 80309-0428, United States
| | - Archish Muralidharan
- Materials Science and Engineering Program, University of Colorado at Boulder, 4001 Discovery Drive, Boulder, Colorado 80309-613, United States
| | - Stephanie J Bryant
- Materials Science and Engineering Program, University of Colorado at Boulder, 4001 Discovery Drive, Boulder, Colorado 80309-613, United States.,Department of Chemical and Biological Engineering, University of Colorado at Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States.,BioFrontiers Institute, University of Colorado at Boulder, 3415 Colorado Avenue, Boulder, Colorado 80309-0596, United States
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19
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Kodama J, Harumningtyas AA, Ito T, Michlíček M, Sugimoto S, Kita H, Chijimatsu R, Ukon Y, Kushioka J, Okada R, Kamatani T, Hashimoto K, Tateiwa D, Tsukazaki H, Nakagawa S, Takenaka S, Makino T, Sakai Y, Nečas D, Zajíčková L, Hamaguchi S, Kaito T. Amine modification of calcium phosphate by low-pressure plasma for bone regeneration. Sci Rep 2021; 11:17870. [PMID: 34504247 PMCID: PMC8429709 DOI: 10.1038/s41598-021-97460-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 08/26/2021] [Indexed: 11/30/2022] Open
Abstract
Regeneration of large bone defects caused by trauma or tumor resection remains one of the biggest challenges in orthopedic surgery. Because of the limited availability of autograft material, the use of artificial bone is prevalent; however, the primary role of currently available artificial bone is restricted to acting as a bone graft extender owing to the lack of osteogenic ability. To explore whether surface modification might enhance artificial bone functionality, in this study we applied low-pressure plasma technology as next-generation surface treatment and processing strategy to chemically (amine) modify the surface of beta-tricalcium phosphate (β-TCP) artificial bone using a CH4/N2/He gas mixture. Plasma-treated β-TCP exhibited significantly enhanced hydrophilicity, facilitating the deep infiltration of cells into interconnected porous β-TCP. Additionally, cell adhesion and osteogenic differentiation on the plasma-treated artificial bone surfaces were also enhanced. Furthermore, in a rat calvarial defect model, the plasma treatment afforded high bone regeneration capacity. Together, these results suggest that amine modification of artificial bone by plasma technology can provide a high osteogenic ability and represents a promising strategy for resolving current clinical limitations regarding the use of artificial bone.
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Affiliation(s)
- Joe Kodama
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Anjar Anggraini Harumningtyas
- Center for Atomic and Molecular Technologies (CAMT), Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.,Center for Accelerator Science and Technology, National Nuclear Energy Agency of Indonesia (BATAN), Jalan Babarsari Kotak Pos 6101 ykbb, Yogyakarta, 55281, Indonesia
| | - Tomoko Ito
- Center for Atomic and Molecular Technologies (CAMT), Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Miroslav Michlíček
- Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlarska 2, 61137, Brno, Czech Republic
| | - Satoshi Sugimoto
- Center for Atomic and Molecular Technologies (CAMT), Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Hidekazu Kita
- Center for Atomic and Molecular Technologies (CAMT), Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Ryota Chijimatsu
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.,Bone and Cartilage Regenerative Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Yuichiro Ukon
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Junichi Kushioka
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Rintaro Okada
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Takashi Kamatani
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Kunihiko Hashimoto
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Daisuke Tateiwa
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Hiroyuki Tsukazaki
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Shinichi Nakagawa
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Shota Takenaka
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Takahiro Makino
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Yusuke Sakai
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - David Nečas
- CEITEC - Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno, 61200, Czech Republic
| | - Lenka Zajíčková
- CEITEC - Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno, 61200, Czech Republic.,Department of Condensed Matter Physics, Faculty of Science, Masaryk University, Kotlarska 2, Brno, 61137, Czech Republic
| | - Satoshi Hamaguchi
- Center for Atomic and Molecular Technologies (CAMT), Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Takashi Kaito
- Department of Orthopaedic Surgery, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
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20
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Lin Z, Nica C, Sculean A, Asparuhova MB. Positive Effects of Three-Dimensional Collagen-Based Matrices on the Behavior of Osteoprogenitors. Front Bioeng Biotechnol 2021; 9:708830. [PMID: 34368101 PMCID: PMC8334008 DOI: 10.3389/fbioe.2021.708830] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 07/05/2021] [Indexed: 12/22/2022] Open
Abstract
Recent research has demonstrated that reinforced three-dimensional (3D) collagen matrices can provide a stable scaffold for restoring the lost volume of a deficient alveolar bone. In the present study, we aimed to comparatively investigate the migratory, adhesive, proliferative, and differentiation potential of mesenchymal stromal ST2 and pre-osteoblastic MC3T3-E1 cells in response to four 3D collagen-based matrices. Dried acellular dermal matrix (DADM), hydrated acellular dermal matrix (HADM), non-crosslinked collagen matrix (NCM), and crosslinked collagen matrix (CCM) did all enhance the motility of the osteoprogenitor cells. Compared to DADM and NCM, HADM and CCM triggered stronger migratory response. While cells grown on DADM and NCM demonstrated proliferative rates comparable to control cells grown in the absence of a biomaterial, cells grown on HADM and CCM proliferated significantly faster. The pro-proliferative effects of the two matrices were supported by upregulated expression of genes regulating cell division. Increased expression of genes encoding the adhesive molecules fibronectin, vinculin, CD44 antigen, and the intracellular adhesive molecule-1 was detected in cells grown on each of the scaffolds, suggesting excellent adhesive properties of the investigated biomaterials. In contrast to genes encoding the bone matrix proteins collagen type I (Col1a1) and osteopontin (Spp1) induced by all matrices, the expression of the osteogenic differentiation markers Runx2, Alpl, Dlx5, Ibsp, Bglap2, and Phex was significantly increased in cells grown on HADM and CCM only. Short/clinically relevant pre-coating of the 3D biomaterials with enamel matrix derivative (EMD) or recombinant bone morphogenetic protein-2 (rBMP-2) significantly boosted the osteogenic differentiation of both osteoprogenitor lines on all matrices, including DADM and NCM, indicating that EMD and BMP-2 retained their biological activity after being released from the matrices. Whereas EMD triggered the expression of all osteogenesis-related genes, rBMP-2 upregulated early, intermediate, and late osteogenic differentiation markers except for Col1a1 and Spp1. Altogether, our results support favorable influence of HADM and CCM on the recruitment, growth, and osteogenic differentiation of the osteoprogenitor cell types. Furthermore, our data strongly support the biofunctionalization of the collagen-based matrices with EMD or rBMP-2 as a potential treatment modality for bone defects in the clinical practice.
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Affiliation(s)
- Zhikai Lin
- Laboratory of Oral Cell Biology, Dental Research Center, School of Dental Medicine, University of Bern, Bern, Switzerland.,Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland.,Department of Periodontology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Cristina Nica
- Laboratory of Oral Cell Biology, Dental Research Center, School of Dental Medicine, University of Bern, Bern, Switzerland.,Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Anton Sculean
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
| | - Maria B Asparuhova
- Laboratory of Oral Cell Biology, Dental Research Center, School of Dental Medicine, University of Bern, Bern, Switzerland.,Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
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21
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Narasimhan BN, Horrocks MS, Malmström J. Hydrogels with Tunable Physical Cues and Their Emerging Roles in Studies of Cellular Mechanotransduction. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202100059] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Affiliation(s)
- Badri Narayanan Narasimhan
- Department of Chemical and Materials Engineering University of Auckland Private Bag 92019 Auckland 1142 New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology Victoria University of Wellington PO Box 600 Wellington 6140 New Zealand
| | - Matthew S. Horrocks
- Department of Chemical and Materials Engineering University of Auckland Private Bag 92019 Auckland 1142 New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology Victoria University of Wellington PO Box 600 Wellington 6140 New Zealand
| | - Jenny Malmström
- Department of Chemical and Materials Engineering University of Auckland Private Bag 92019 Auckland 1142 New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology Victoria University of Wellington PO Box 600 Wellington 6140 New Zealand
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22
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Modaresifar K, Ganjian M, Angeloni L, Minneboo M, Ghatkesar MK, Hagedoorn PL, Fratila-Apachitei LE, Zadpoor AA. On the Use of Black Ti as a Bone Substituting Biomaterial: Behind the Scenes of Dual-Functionality. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2100706. [PMID: 33978318 DOI: 10.1002/smll.202100706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/24/2021] [Indexed: 06/12/2023]
Abstract
Despite the potential of small-scale pillars of black titanium (bTi) for killing the bacteria and directing the fate of stem cells, not much is known about the effects of the pillars' design parameters on their biological properties. Here, three distinct bTi surfaces are designed and fabricated through dry etching of the titanium, each featuring different pillar designs. The interactions of the surfaces with MC3T3-E1 preosteoblast cells and Staphylococcus aureus bacteria are then investigated. Pillars with different heights and spatial organizations differently influence the morphological characteristics of the cells, including their spreading area, aspect ratio, nucleus area, and cytoskeletal organization. The preferential formation of focal adhesions (FAs) and their size variations also depend on the type of topography. When the pillars are neither fully separated nor extremely tall, the colocalization of actin fibers and FAs as well as an enhanced matrix mineralization are observed. However, the killing efficiency of these pillars against the bacteria is not as high as that of fully separated and tall pillars. This study provides a new perspective on the dual-functionality of bTi surfaces and elucidates how the surface design and fabrication parameters can be used to achieve a surface topography with balanced bactericidal and osteogenic properties.
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Affiliation(s)
- Khashayar Modaresifar
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Mahya Ganjian
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Livia Angeloni
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
- Department of Precision and Microsystems Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology (TU Delft), Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Michelle Minneboo
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Murali K Ghatkesar
- Department of Precision and Microsystems Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology (TU Delft), Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Peter-Leon Hagedoorn
- Department of Biotechnology, Faculty of Applied Sciences, Delft University of Technology, Van der Maasweg 9, Delft, 2629 HZ, The Netherlands
| | - Lidy E Fratila-Apachitei
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Amir A Zadpoor
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
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23
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Kim HS, Lee JH, Mandakhbayar N, Jin GZ, Kim SJ, Yoon JY, Jo SB, Park JH, Singh RK, Jang JH, Shin US, Knowles JC, Kim HW. Therapeutic tissue regenerative nanohybrids self-assembled from bioactive inorganic core / chitosan shell nanounits. Biomaterials 2021; 274:120857. [PMID: 33965799 DOI: 10.1016/j.biomaterials.2021.120857] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 04/20/2021] [Accepted: 04/22/2021] [Indexed: 10/21/2022]
Abstract
Natural inorganic/organic nanohybrids are a fascinating model in biomaterials design due to their ultra-microstructure and extraordinary properties. Here, we report unique-structured nanohybrids through self-assembly of biomedical inorganic/organic nanounits, composed of bioactive inorganic nanoparticle core (hydroxyapatite, bioactive glass, or mesoporous silica) and chitosan shell - namely Chit@IOC. The inorganic core thin-shelled with chitosan could constitute as high as 90%, strikingly contrasted with the conventional composites. The Chit@IOC nanohybrids were highly resilient under cyclic load and resisted external stress almost an order of magnitude effectively than the conventional composites. The nanohybrids, with the nano-roughened surface topography, could accelerate the cellular responses through stimulated integrin-mediated focal adhesions. The nanohybrids were also able to load multiple therapeutic molecules in the core and shell compartment and then release sequentially, demonstrating controlled delivery systems. The nanohybrids compartmentally-loaded with therapeutic molecules (dexamethasone, fibroblast growth factor 2, and phenamil) were shown to stimulate the anti-inflammatory, pro-angiogenic and osteogenic events of relevant cells. When implanted in the in vivo calvarium defect model with 3D-printed scaffold forms, the therapeutic nanohybrids were proven to accelerate new bone formation. Overall, the nanohybrids self-assembled from Chit@IOC nanounits, with their unique properties (ultrahigh inorganic content, nano-topography, high resilience, multiple-therapeutics delivery, and cellular activation), can be considered as promising 3D tissue regenerative platforms.
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Affiliation(s)
- Han-Sem Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea
| | - Jung-Hwan Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea; Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, 31116, South Korea; Cell & Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea; UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, South Korea
| | - Nandin Mandakhbayar
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea
| | - Guang-Zhen Jin
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea; Cell & Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea
| | - Sung-Jin Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea
| | - Ji-Young Yoon
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea
| | - Seung Bin Jo
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea
| | - Jeong-Hui Park
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea
| | - Rajendra K Singh
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea; UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, South Korea
| | - Jun-Hyeog Jang
- Department of Biochemistry, College of Medicine, Inha University, Incheon, Republic of Korea
| | - Ueon Sang Shin
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea.
| | - Jonathan C Knowles
- Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea; UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, South Korea; UCL Eastman Dental Institute, University College London, 256 Gray's Inn Road, London, WC1X 8LD, UK
| | - Hae-Won Kim
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, 31116, South Korea; Department of Nanobiomedical Science & BK21 NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, 31116, South Korea; Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, 31116, South Korea; Cell & Matter Institute, Dankook University, Cheonan, 31116, Republic of Korea; UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, 31116, South Korea.
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24
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Juhl OJ, Merife AB, Zhang Y, Lemmon CA, Donahue HJ. Hydroxyapatite Particle Density Regulates Osteoblastic Differentiation Through β-Catenin Translocation. Front Bioeng Biotechnol 2021; 8:591084. [PMID: 33490047 PMCID: PMC7820766 DOI: 10.3389/fbioe.2020.591084] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 12/08/2020] [Indexed: 01/09/2023] Open
Abstract
Substrate surface characteristics such as roughness, wettability and particle density are well-known contributors of a substrate's overall osteogenic potential. These characteristics are known to regulate cell mechanics as well as induce changes in cell stiffness, cell adhesions, and cytoskeletal structure. Pro-osteogenic particles, such as hydroxyapatite, are often incorporated into a substrate to enhance the substrates osteogenic potential. However, it is unknown which substrate characteristic is the key regulator of osteogenesis. This is partly due to the lack of understanding of how these substrate surface characteristics are transduced by cells. In this study substrates composed of polycaprolactone (PCL) and carbonated hydroxyapatite particles (HAp) were synthesized. HAp concentration was varied, and a range of surface characteristics created. The effect of each substrate characteristic on osteoblastic differentiation was then examined. We found that, of the characteristics examined, only HAp density, and indeed a specific density (85 particles/cm2), significantly increased osteoblastic differentiation. Further, an increase in focal adhesion maturation and turnover was observed in cells cultured on this substrate. Moreover, β-catenin translocation from the membrane bound cell fraction to the nucleus was more rapid in cells on the 85 particle/cm2 substrate compared to cells on tissue culture polystyrene. Together, these data suggest that particle density is one pivotal factor in determining a substrates overall osteogenic potential. Additionally, the observed increase in osteoblastic differentiation is a at least partly the result of β-catenin translocation and transcriptional activity suggesting a β-catenin mediated mechanism by which substrate surface characteristics are transduced.
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Affiliation(s)
- Otto J Juhl
- Department of Biomedical Engineering and Institute for Engineering and Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Anna-Blessing Merife
- Department of Biomedical Engineering and Institute for Engineering and Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Yue Zhang
- Department of Biomedical Engineering and Institute for Engineering and Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Christopher A Lemmon
- Department of Biomedical Engineering and Institute for Engineering and Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Henry J Donahue
- Department of Biomedical Engineering and Institute for Engineering and Medicine, Virginia Commonwealth University, Richmond, VA, United States
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25
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Wang CY, Hong PD, Wang DH, Cherng JH, Chang SJ, Liu CC, Fang TJ, Wang YW. Polymeric Gelatin Scaffolds Affect Mesenchymal Stem Cell Differentiation and Its Diverse Applications in Tissue Engineering. Int J Mol Sci 2020; 21:ijms21228632. [PMID: 33207764 PMCID: PMC7696434 DOI: 10.3390/ijms21228632] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/13/2020] [Accepted: 11/13/2020] [Indexed: 12/13/2022] Open
Abstract
Studies using polymeric scaffolds for various biomedical applications, such as tissue engineering, implants and medical substitutes, and drug delivery systems, have attempted to identify suitable material for tissue regeneration. This study aimed to investigate the biocompatibility and effectiveness of a gelatin scaffold seeded with human adipose stem cells (hASCs), including physical characteristics, multilineage differentiation in vitro, and osteogenic potential, in a rat model of a calvarial bone defect and to optimize its design. This functionalized scaffold comprised gelatin-hASCs layers to improve their efficacy in various biomedical applications. The gelatin scaffold exhibited excellent biocompatibility in vitro after two weeks of implantation. Furthermore, the gelatin scaffold supported and specifically regulated the proliferation and osteogenic and chondrogenic differentiation of hASCs, respectively. After 12 weeks of implantation, upon treatment with the gelatin-hASCs scaffold, the calvarial bone harboring the critical defect regenerated better and displayed greater osteogenic potential without any damage to the surrounding tissues compared to the untreated bone defect. These findings suggest that the present gelatin scaffold is a good potential carrier for stem cells in various tissue engineering applications.
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Affiliation(s)
- Chia-Yu Wang
- Department of Materials Sciences and Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (C.-Y.W.); (P.-D.H.)
| | - Po-Da Hong
- Department of Materials Sciences and Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan; (C.-Y.W.); (P.-D.H.)
| | - Ding-Han Wang
- Department of Dentistry, School of Dentistry, National Yang-Ming University, Taipei 112, Taiwan;
| | - Juin-Hong Cherng
- Laboratory of Adult Stem Cell and Tissue Regeneration, National Defense Medical Center, Taipei 114, Taiwan; (J.-H.C.); (S.-J.C.)
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan
- Department of Gerontological Health Care, National Taipei University of Nursing and Health Sciences, Taipei 112, Taiwan
| | - Shu-Jen Chang
- Laboratory of Adult Stem Cell and Tissue Regeneration, National Defense Medical Center, Taipei 114, Taiwan; (J.-H.C.); (S.-J.C.)
| | - Cheng-Che Liu
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei 114, Taiwan; (C.-C.L.); (T.-J.F.)
| | - Tong-Jing Fang
- Department of Physiology and Biophysics, Graduate Institute of Physiology, National Defense Medical Center, Taipei 114, Taiwan; (C.-C.L.); (T.-J.F.)
| | - Yi-Wen Wang
- Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, Taipei 114, Taiwan
- Correspondence: ; Tel.: +886-2-8792-3100 (ext. 18749); Fax: +886-2-87923767
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26
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Posa F, Di Benedetto A, Ravagnan G, Cavalcanti-Adam EA, Lo Muzio L, Percoco G, Mori G. Bioengineering Bone Tissue with 3D Printed Scaffolds in the Presence of Oligostilbenes. MATERIALS 2020; 13:ma13204471. [PMID: 33050281 PMCID: PMC7601568 DOI: 10.3390/ma13204471] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/22/2020] [Accepted: 10/03/2020] [Indexed: 02/06/2023]
Abstract
Diseases determining bone tissue loss have a high impact on people of any age. Bone healing can be improved using a therapeutic approach based on tissue engineering. Scientific research is demonstrating that among bone regeneration techniques, interesting results, in filling of bone lesions and dehiscence have been obtained using adult mesenchymal stem cells (MSCs) integrated with biocompatible scaffolds. The geometry of the scaffold has critical effects on cell adhesion, proliferation and differentiation. Many cytokines and compounds have been demonstrated to be effective in promoting MSCs osteogenic differentiation. Oligostilbenes, such as Resveratrol (Res) and Polydatin (Pol), can increase MSCs osteoblastic features. 3D printing is an excellent technique to create scaffolds customized for the lesion and thus optimized for the patient. In this work we analyze osteoblastic features of adult MSCs integrated with 3D-printed polycarbonate scaffolds differentiated in the presence of oligostilbenes.
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Affiliation(s)
- Francesca Posa
- Department of Clinical and Experimental Medicine, University of Foggia, viale Pinto 1, 71122 Foggia, Italy; (A.D.B.); (L.L.M.); (G.M.)
- Department of Biophysical Chemistry, Heidelberg University and Max Planck Institute for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany;
- Correspondence:
| | - Adriana Di Benedetto
- Department of Clinical and Experimental Medicine, University of Foggia, viale Pinto 1, 71122 Foggia, Italy; (A.D.B.); (L.L.M.); (G.M.)
| | - Giampietro Ravagnan
- Glures srl. Unità Operativa di Napoli, Spin off Accademico dell’Università di Venezia Cà Foscari, Via delle Industrie 19b-30175 Venezia, Italy;
| | - Elisabetta Ada Cavalcanti-Adam
- Department of Biophysical Chemistry, Heidelberg University and Max Planck Institute for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany;
| | - Lorenzo Lo Muzio
- Department of Clinical and Experimental Medicine, University of Foggia, viale Pinto 1, 71122 Foggia, Italy; (A.D.B.); (L.L.M.); (G.M.)
| | - Gianluca Percoco
- Department of Mechanics, Mathematics and Management, Polytechnic University of Bari, Via E. Orabona 4, 70125 Bari, Italy;
| | - Giorgio Mori
- Department of Clinical and Experimental Medicine, University of Foggia, viale Pinto 1, 71122 Foggia, Italy; (A.D.B.); (L.L.M.); (G.M.)
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27
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Myocardin-Related Transcription Factor A (MRTF-A) Regulates the Balance between Adipogenesis and Osteogenesis of Human Adipose Stem Cells. Stem Cells Int 2020; 2020:8853541. [PMID: 33029150 PMCID: PMC7527895 DOI: 10.1155/2020/8853541] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Revised: 08/19/2020] [Accepted: 08/26/2020] [Indexed: 12/16/2022] Open
Abstract
Previous studies have demonstrated that myocardin-related transcription factor A (MRTF-A) generates a link between the dynamics of the actin cytoskeleton and gene expression with its coregulator, serum response factor (SRF). MRTF-A has also been suggested as a regulator of stem cell differentiation. However, the role of MRTF-A in human mesenchymal stem cell differentiation remains understudied. We aimed to elucidate whether MRTF-A is a potential regulator of human adipose stem cell (hASC) differentiation towards adipogenic and osteogenic lineages. To study the role of MRTF-A activity in the differentiation process, hASCs were cultured in adipogenic and osteogenic media supplemented with inhibitor molecules CCG-1423 or CCG-100602 that have been shown to block the expression of MRTF-A/SRF-activated genes. Our results of image-based quantification of Oil Red O stained lipid droplets and perilipin 1 staining denote that MRTF-A inhibition enhanced the adipogenic differentiation. On the contrary, MRTF-A inhibition led to diminished activity of an early osteogenic marker alkaline phosphatase, and export of extracellular matrix (ECM) proteins collagen type I and osteopontin. Also, quantitative Alizarin Red staining representing ECM mineralization was significantly decreased under MRTF-A inhibition. Image-based analysis of Phalloidin staining revealed that MRTF-A inhibition reduced the F-actin formation and parallel orientation of the actin filaments. Additionally, MRTF-A inhibition affected the protein amounts of α-smooth muscle actin (α-SMA), myosin light chain (MLC), and phosphorylated MLC suggesting that MRTF-A would regulate differentiation through SRF activity. Our results strongly indicate that MRTF-A is an important regulator of the balance between osteogenesis and adipogenesis of hASCs through its role in mediating the cytoskeletal dynamics. These results provide MRTF-A as a new interesting target for guiding the stem cell differentiation in tissue engineering applications for regenerative medicine.
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28
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Determining the relative importance of titania nanotubes characteristics on bone implant surface performance: A quality by design study with a fuzzy approach. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 114:110995. [DOI: 10.1016/j.msec.2020.110995] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 04/04/2020] [Accepted: 04/18/2020] [Indexed: 12/18/2022]
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29
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Jung S, Bohner L, Hanisch M, Kleinheinz J, Sielker S. Influence of Implant Material and Surface on Mode and Strength of Cell/Matrix Attachment of Human Adipose Derived Stromal Cell. Int J Mol Sci 2020; 21:ijms21114110. [PMID: 32526920 PMCID: PMC7312959 DOI: 10.3390/ijms21114110] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/05/2020] [Accepted: 06/05/2020] [Indexed: 01/23/2023] Open
Abstract
A fundamental step for cell growth and differentiation is the cell adhesion. The purpose of this study was to determine the adhesion of different cell lineages, adipose derived stromal cells, osteoblasts, and gingival fibroblast to titanium and zirconia dental implants with different surface treatments. Primary cells were cultured on smooth/polished surfaces (titanium with a smooth surface texture (Ti-PT) and machined zirconia (ZrO2-M)) and on rough surfaces (titanium with a rough surface texture (Ti-SLA) and zirconia material (ZrO2-ZLA)). Alterations in cell morphology (f-actin staining and SEM) and in expression of the focal adhesion marker were analysed after 1, 7, and 14 days. Statistical analysis was performed by one-way ANOVA with a statistical significance at p = 0.05. Cell morphology and cytoskeleton were strongly affected by surface texture. Actin beta and vimentin expressions were higher on rough surfaces (p < 0.01). Vinculin and FAK expressions were significant (p < 0.05) and increased over time. Fibronectin and laminin expressions were significant (p < 0.01) and did not alter over time. Strength of cell/material binding is influenced by surface structure and not by material. Meanwhile, the kind of cell/material binding is regulated by cell type and implant material.
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Response of Saos-2 osteoblast-like cells to kilohertz-resonance excitation in porous metallic scaffolds. J Mech Behav Biomed Mater 2020; 106:103726. [DOI: 10.1016/j.jmbbm.2020.103726] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Revised: 02/10/2020] [Accepted: 03/10/2020] [Indexed: 12/13/2022]
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Wong SHD, Wong WKR, Lai CHN, Oh J, Li Z, Chen X, Yuan W, Bian L. Soft Polymeric Matrix as a Macroscopic Cage for Magnetically Modulating Reversible Nanoscale Ligand Presentation. NANO LETTERS 2020; 20:3207-3216. [PMID: 32289227 DOI: 10.1021/acs.nanolett.9b05315] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A physical, noninvasive, and reversible means of controlling the nanoscale presentation of bioactive ligands is highly desirable for regulating and investigating the time-dependent responses of cells, including stem cells. Herein we report a magnetically actuated dynamic cell culture platform consisting of a soft hydrogel substrate conjugated with RGD-bearing magnetic nanoparticle (RGD-MNP). The downward/upward magnetic attraction conceals/promotes the presentation of the RGD-MNP in/on the soft hydrogel matrix, thereby inhibiting/enhancing the cell adhesion and mechanosensing-dependent differentiation. Meanwhile, the lateral magnetic attraction promotes the unidirectional migration of cells in the opposite direction on the hydrogel. Furthermore, cyclic switching between the "Exposed" and "Hidden" conditions induces the repeated cycles of differentiation/dedifferentiation of hMSCs which significantly enhances the differentiation potential of hMSCs. Our design approach capitalizes on the bulk biomaterial matrix as the macroscopic caging structure to enable dynamic regulation of cell-matrix interactions reversibly, which is hard to achieve by using conventional cell culture systems.
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Affiliation(s)
- Siu Hong Dexter Wong
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Wai Ki Ricky Wong
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Chun Him Nathanael Lai
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Jiwon Oh
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Zhuo Li
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Xiaoyu Chen
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Weihao Yuan
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Liming Bian
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518172, China
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, Zhejiang 310058, China
- Center for Novel Biomaterials, Chinese University of Hong Kong, Shatin, 100097, Hong Kong, China
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Steeves AJ, Ho W, Munisso MC, Lomboni DJ, Larrañaga E, Omelon S, Martínez E, Spinello D, Variola F. The Implication of Spatial Statistics in Human Mesenchymal Stem Cell Response to Nanotubular Architectures. Int J Nanomedicine 2020; 15:2151-2169. [PMID: 32280212 PMCID: PMC7125340 DOI: 10.2147/ijn.s238280] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 02/16/2020] [Indexed: 01/14/2023] Open
Abstract
INTRODUCTION In recent years there has been ample interest in nanoscale modifications of synthetic biomaterials to understand fundamental aspects of cell-surface interactions towards improved biological outcomes. In this study, we aimed at closing in on the effects of nanotubular TiO2 surfaces with variable nanotopography on the response on human mesenchymal stem cells (hMSCs). Although the influence of TiO2 nanotubes on the cellular response, and in particular on hMSC activity, has already been addressed in the past, previous studies overlooked critical morphological, structural and physical aspects that go beyond the simple nanotube diameter, such as spatial statistics. METHODS To bridge this gap, we implemented an extensive characterization of nanotubular surfaces generated by anodization of titanium with a focus on spatial structural variables including eccentricity, nearest neighbour distance (NND) and Voronoi entropy, and associated them to the hMSC response. In addition, we assessed the biological potential of a two-tiered honeycomb nanoarchitecture, which allowed the detection of combinatory effects that this hierarchical structure has on stem cells with respect to conventional nanotubular designs. We have combined experimental techniques, ranging from Scanning Electron (SEM) and Atomic Force (AFM) microscopy to Raman spectroscopy, with computational simulations to characterize and model nanotubular surfaces. We evaluated the cell response at 6 hrs, 1 and 2 days by fluorescence microscopy, as well as bone mineral deposition by Raman spectroscopy, demonstrating substrate-induced differential biological cueing at both the short- and long-term. RESULTS Our work demonstrates that the nanotube diameter is not sufficient to comprehensively characterize nanotubular surfaces and equally important parameters, such as eccentricity and wall thickness, ought to be included since they all contribute to the overall spatial disorder which, in turn, dictates the overall bioactive potential. We have also demonstrated that nanotubular surfaces affect the quality of bone mineral deposited by differentiated stem cells. Lastly, we closed in on the integrated effects exerted by the superimposition of two dissimilar nanotubular arrays in the honeycomb architecture. DISCUSSION This work delineates a novel approach for the characterization of TiO2 nanotubes which supports the incorporation of critical spatial structural aspects that have been overlooked in previous research. This is a crucial aspect to interpret cellular behaviour on nanotubular substrates. Consequently, we anticipate that this strategy will contribute to the unification of studies focused on the use of such powerful nanostructured surfaces not only for biomedical applications but also in other technology fields, such as catalysis.
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Affiliation(s)
- Alexander J Steeves
- Faculty of Engineering, Department of Mechanical Engineering, University of Ottawa, Ottawa, ON, Canada
- Ottawa-Carleton Institute for Biomedical Engineering, Ottawa, Canada
| | - William Ho
- Faculty of Engineering, Department of Mechanical Engineering, University of Ottawa, Ottawa, ON, Canada
- Ottawa-Carleton Institute for Biomedical Engineering, Ottawa, Canada
| | - Maria Chiara Munisso
- Department of Plastic and Reconstructive Surgery, Kansai Medical University, Moriguchi, Japan
| | - David J Lomboni
- Faculty of Engineering, Department of Mechanical Engineering, University of Ottawa, Ottawa, ON, Canada
- Ottawa-Carleton Institute for Biomedical Engineering, Ottawa, Canada
| | - Enara Larrañaga
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Sidney Omelon
- Faculty of Engineering, Department of Mechanical Engineering, University of Ottawa, Ottawa, ON, Canada
- Faculty of Engineering, Department of Mining and Materials Engineering, McGill University, Montreal, QC, Canada
| | - Elena Martínez
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
- Centro de Investigación Biomédica en Red (CIBER), Madrid, Spain
- Department of Electronics and Biomedical Engineering, University of Barcelona, Barcelona, Spain
| | - Davide Spinello
- Faculty of Engineering, Department of Mechanical Engineering, University of Ottawa, Ottawa, ON, Canada
| | - Fabio Variola
- Faculty of Engineering, Department of Mechanical Engineering, University of Ottawa, Ottawa, ON, Canada
- Ottawa-Carleton Institute for Biomedical Engineering, Ottawa, Canada
- Faculty of Medicine, Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
- Children’s Hospital of Eastern Ontario (CHEO), Ottawa, ON, Canada
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Kim HJ, You SJ, Yang DH, Eun J, Park HK, Kim MS, Chun HJ. Injectable hydrogels based on MPEG–PCL–RGD and BMSCs for bone tissue engineering. Biomater Sci 2020; 8:4334-4345. [DOI: 10.1039/d0bm00588f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The aim of this study was to investigate the osteogenic potential of BMSCs seeded on RGD-conjugated methoxy polyethylene glycol-polycaprolactone (MP–RGD) in vitro and in vivo.
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Affiliation(s)
- Hyun Joo Kim
- Department of Biomedicine & Health Sciences
- The Catholic University of Korea
- Seoul 06591
- Republic of Korea
- Institute of Cell and Tissue Engineering
| | - Su Jung You
- Institute of Cell and Tissue Engineering
- The Catholic University of Korea
- Seoul 06591
- Republic of Korea
| | - Dae Hyeok Yang
- Institute of Cell and Tissue Engineering
- The Catholic University of Korea
- Seoul 06591
- Republic of Korea
| | - Jin Eun
- Department of neurosurgery
- Eunpyeong St. Mary's Hospital
- College of Medicine
- The Catholic University of Korea
- Seoul 03312
| | - Hae Kwan Park
- Department of neurosurgery
- Eunpyeong St. Mary's Hospital
- College of Medicine
- The Catholic University of Korea
- Seoul 03312
| | - Moon Suk Kim
- Department of Molecular Science and Technology
- Ajou University
- Suwon
- Republic of Korea
| | - Heung Jae Chun
- Department of Biomedicine & Health Sciences
- The Catholic University of Korea
- Seoul 06591
- Republic of Korea
- Institute of Cell and Tissue Engineering
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3D Printed Wavy Scaffolds Enhance Mesenchymal Stem Cell Osteogenesis. MICROMACHINES 2019; 11:mi11010031. [PMID: 31881771 PMCID: PMC7019315 DOI: 10.3390/mi11010031] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 12/19/2019] [Accepted: 12/21/2019] [Indexed: 12/16/2022]
Abstract
There is a growing interest in developing 3D porous scaffolds with tunable architectures for bone tissue engineering. Surface topography has been shown to control stem cell behavior including differentiation. In this study, we printed 3D porous scaffolds with wavy or linear patterns to investigate the effect of wavy scaffold architecture on human mesenchymal stem cell (hMSC) osteogenesis. Five distinct wavy scaffolds were designed using sinusoidal waveforms with varying wavelengths and amplitudes, and orthogonal scaffolds were designed using linear patterns. We found that hMSCs attached to wavy patterns, spread by taking the shape of the curvatures presented by the wavy patterns, exhibited an elongated shape and mature focal adhesion points, and differentiated into the osteogenic lineage. When compared to orthogonal scaffolds, hMSCs on wavy scaffolds showed significantly enhanced osteogenesis, indicated by higher calcium deposition, alkaline phosphatase activity, and osteocalcin staining. This study aids in the development of 3D scaffolds with novel architectures to direct stem osteogenesis for bone tissue engineering.
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Silk fibroin coated TiO2 nanotubes for improved osteogenic property of Ti6Al4V bone implants. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:109982. [DOI: 10.1016/j.msec.2019.109982] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 07/15/2019] [Accepted: 07/16/2019] [Indexed: 01/31/2023]
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Damanik FFR, Spadolini G, Rotmans J, Farè S, Moroni L. Biological activity of human mesenchymal stromal cells on polymeric electrospun scaffolds. Biomater Sci 2019; 7:1088-1100. [PMID: 30633255 DOI: 10.1039/c8bm00693h] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Electrospinning provides a simple robust method to manufacture scaffolds for tissue engineering applications. Though varieties of materials can be used, optimization and biocompatibility tests are required to provide functional tissue regeneration. Moreover, many studies are limited to 2D electrospun constructs rather than 3D templates due to the production of high density packed fibres, which result in poor cell infiltration. Here, we optimised electrospinning parameters for three different polymers: poly(ε-caprolactone) (PCL), polylactic acid (PLA) and poly(ethylene oxide terephthalate)/poly(butylene terephthalate) (PA) copolymers. Human mesenchymal stromal cells (hMSCs) were cultured on scaffolds for 14 days to study the scaffolds' biocompatibility and their multi-lineage differentiation potential or maintenance of stemness in the absence of chemical stimuli. For all scaffolds, a high and stable metabolic activity was measured throughout the culture time with a high proliferation rate compared to day 1 (PCL 5.8-, PLA 4-, PA 4.9-fold). The metabolism of hMSCs was also measured through glucose and lactate concentrations, showing no cytotoxic levels up to 14 days. Total glycosaminoglycan (GAG) production was the highest in PA electrospun scaffolds. When normalized to DNA, GAG production was the highest in PLA and PA scaffolds. All scaffolds were prone to differentiate to an osteogenic lineage, with PCL providing the highest alkaline phosphatase and collagen type Ia gene upregulation. As PA had the most stable fibre formation, it was chosen as a template to further incorporate stromal cell-derived factor-1 (SDF-1) and granulocyte colony-stimulating factor (G-CSF), and stimulate higher hMSC infiltration. These scaffolds provided significantly higher hMSC infiltration than normal PA scaffolds. In conclusion, our optimized biocompatible electrospun scaffolds have shown promising regulation of hMSC fate. When combined with migratory stimulating cytokines, these scaffolds may overcome the known challenges of poor cellular infiltration typical of micro- and nano-fibrillary random meshes.
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Affiliation(s)
- Febriyani F R Damanik
- University of Twente, Drienerlolaan 5, Zuidhorst 145, 7522 NB Enschede, the Netherlands
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Wei C, Gong T, Pow EHN, Botelho MG. Adhesive and oxidative response of stem cell and pre-osteoblasts on titanium and zirconia surfaces in vitro. ACTA ACUST UNITED AC 2019; 10:e12407. [PMID: 30866178 DOI: 10.1111/jicd.12407] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Accepted: 01/12/2019] [Indexed: 11/29/2022]
Abstract
AIM The aim of the present study was to investigate the initial stem cell and pre-osteoblast cell adhesion and oxidative response on zirconia in comparison with titanium. METHODS Human dental pulp stem cells (DPSC) and murine pre-osteoblasts (MC3T3-E1) cells were cultured on zirconia and titanium surfaces, and at 3-, 12-, and 24-hour intervals, cell viability and morphology were determined with tetrazolium based colorimetric assay, scanning electron microscopy, and immunofluorescence analysis. The in situ reactive oxygen species level of both cells on each material surface was examined after 24-hour culture. RESULTS Both DPSC and MC3T3-E1 cells revealed comparable morphological features during 24-hour cell adhesion processes, with cells continued expanding of cell size and increasing of cell viability on titanium and zirconia surfaces during 24-hour culture. Zirconia demonstrated relatively higher mean cell viability compared to titanium within 24-hour culture, with significantly higher DPSC viability at 12 hours after seeding (P < 0.05). Relatively higher mean reactive oxygen species levels in both DPSC and MC3T3E1 were found on zirconia surfaces after 24-hour culture compared to titanium. CONCLUSIONS From the results, zirconia as a potential dental implant substrate demonstrated equivalent or better initial cellular responses compared to titanium.
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Affiliation(s)
- Chenxuan Wei
- Department of Prosthodontics, Faculty of Dentistry, the University of Hong Kong, Hong Kong, China
| | - Ting Gong
- Department of Prosthodontics, Faculty of Dentistry, the University of Hong Kong, Hong Kong, China
| | - Edmond H N Pow
- Department of Prosthodontics, Faculty of Dentistry, the University of Hong Kong, Hong Kong, China
| | - Michael G Botelho
- Department of Prosthodontics, Faculty of Dentistry, the University of Hong Kong, Hong Kong, China
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Al-Wahabi A, Ser-Od T, Inoue K, Nakajima K, Matsuzaka K, Inoue T. Topography enhances Runx2 expression in outgrowing cells from iPS cell-derived embryoid bodies. J Biomed Mater Res B Appl Biomater 2019; 107:2288-2296. [PMID: 30735289 DOI: 10.1002/jbm.b.34321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 11/15/2018] [Accepted: 12/29/2018] [Indexed: 11/07/2022]
Abstract
The effect of differing polystyrene substrate topographies on the osteogenic potential of the outgrowing cells (OGCs) formed from mouse-induced pluripotent stem (iPS) cells (miPSCs)-derived embryoid bodies (EBs) was investigated. Polystyrene substrates were sandblasted with 25, 50, and 150 μm aluminum oxide particles to obtain topographies with average Sa values of 0.6, 1.1, and 1.8 μm, respectively. 3D-SEM was used to evaluate substrate's topographies. Examination was done by scanning electron microscopy (SEM), by immunocytofluorescence (ICF) analysis for vinculin, Runx2 and collagen type I, and by quantitative RT-PCR (qRT-PCR) analysis for Runx2 and collagen type I. SEM and ICF analyses revealed that surface roughness caused cells elongation (2, 6, 8, 10 times for the NT, 0.6 μm, 1.1 μm, and 1.8 μm, respectively). Vinculin staining demonstrated how the Sa value affected cellular attachment to the substrate. FA points were randomly distributed on flat surfaces, but rough surfaces resulted in more concentrated FA points on the podia of the cells (11.7, 25.2, 26.7, 16.6 vinculin spots per 20 μm2 for the NT, 0.6 μm, 1.1 μm, and 1.8 μm, respectively). qRT-PCR revealed that Runx2 expression was highest on day 16 on surfaces with Sa of 0.6 μm and 1.1 μm. Collagen type I expression increased from day 0 to day 16, no significance was found among the groups. In conclusion, surface topography affects cell shape and expression of early osteogenic potential in OGC, particularly surfaces with Sa values of 0.6 μm and 1.1 μm which showed the highest concentration of FA points on podia. These findings could be utilized in the development of inner surface topographies of scaffolds used with iPSCs. © 2019 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 2288-2296, 2019.
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Affiliation(s)
- Akram Al-Wahabi
- Department of Clinical Pathophysiology, Tokyo Dental College, Tokyo, Japan.,Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
| | - Tungalag Ser-Od
- Department of Clinical Pathophysiology, Tokyo Dental College, Tokyo, Japan.,Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
| | - Kenji Inoue
- Department of Clinical Pathophysiology, Tokyo Dental College, Tokyo, Japan.,Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
| | - Kei Nakajima
- Department of Clinical Pathophysiology, Tokyo Dental College, Tokyo, Japan.,Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
| | - Kenichi Matsuzaka
- Department of Clinical Pathophysiology, Tokyo Dental College, Tokyo, Japan.,Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
| | - Takashi Inoue
- Department of Clinical Pathophysiology, Tokyo Dental College, Tokyo, Japan.,Oral Health Science Center, Tokyo Dental College, Tokyo, Japan
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Staehlke S, Rebl H, Nebe B. Phenotypic stability of the human MG-63 osteoblastic cell line at different passages. Cell Biol Int 2019; 43:22-32. [PMID: 30444078 DOI: 10.1002/cbin.11073] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 11/11/2018] [Indexed: 12/19/2022]
Abstract
One of the most popular cell lines in osteogenesis studies is the human osteoblastic line MG-63. For cell biological investigation, it is important that the cells remain stable in their phenotype over several passages in cell culture. MG-63 cells can be used to provide fundamental insights into cell--material interaction. The aim of this study is to present a systematic characterization of the physiological behavior of MG-63 cells in the range of passages 5-30. Significant cell physiology processes during the first 24 h, including cell morphology, availability of adhesion receptors, cell cycle phases, as well as the expression of the signaling proteins Akt, GSK3a/b, IkB-α, ERK1/2, p38-MAPK, and intracellular calcium ion mobilization, remained stable over the entire range of passages P5-P30. Due to these stable characteristics in a wide range of cell culture passages, MG-63 cells can be considered as a suitable in vitro model to analyze the biocompatibility and biofunctionality of implant materials.
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Affiliation(s)
- Susanne Staehlke
- Department of Cell Biology, University Medical Center Rostock, Rostock, Germany
| | - Henrike Rebl
- Department of Cell Biology, University Medical Center Rostock, Rostock, Germany
| | - Barbara Nebe
- Department of Cell Biology, University Medical Center Rostock, Rostock, Germany
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Ma T, Ge XY, Hao KY, Jiang X, Zheng Y, Lin Y, Zhang Y. Titanium discs coated with 3,4-dihydroxy-l-phenylalanine promote osteogenic differentiation of human bone mesenchymal stem cells in vitro. RSC Adv 2019; 9:9117-9125. [PMID: 35517681 PMCID: PMC9062092 DOI: 10.1039/c8ra09952a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 03/13/2019] [Indexed: 11/29/2022] Open
Abstract
The bioinspired material 3,4-dihydroxy-l-phenylalanine (DOPA) is commonly used as a basic layer in surface modification for osteogenesis; however, its effects on bone remodeling and the underlying mechanisms remain unclear. Here, we investigated the effect of DOPA-coated surfaces on human bone marrow-derived mesenchymal stem cells in vitro. Cells cultured on DOPA-modified titanium discs exhibited enhanced cellular adhesion and spreading compared with cells on non-treated surfaces. Moreover, DOPA-coating promoted greater cell proliferation and osteogenic differentiation, as determined using cell counting kit-8 (CCK-8) assay, alkaline phosphatase activity test and quantitative mineralization measurements. Furthermore, microarray analysis revealed that genes participating in focal adhesion were upregulated on DOPA-coated surfaces. Our results indicate that the application of a simple DOPA coating can promote osteogenic differentiation of osteoprogenitor cells, improving new bone formation and bone remodeling around implantable devices in tissue engineering. Titanium discs with simple 3,4-dihydroxy-l-phenylalanine coating enhanced BM-MSC adhesion, spreading, proliferation and differentiation, and upregulated expression of genes involved in focal adhesion in vitro.![]()
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Affiliation(s)
- Ting Ma
- Department of Oral Implantology
- 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
- Beijing 100081
- PR China
| | - Xi-Yuan Ge
- Central Laboratory
- 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
- Beijing 100081
- PR China
| | - Ke-Yi Hao
- Department of Oral Implantology
- 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
- Beijing 100081
- PR China
| | - Xi Jiang
- Department of Oral Implantology
- 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
- Beijing 100081
- PR China
| | - Yan Zheng
- Department of Oral Implantology
- 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
- Beijing 100081
- PR China
| | - Ye Lin
- Department of Oral Implantology
- 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
- Beijing 100081
- PR China
| | - Yu Zhang
- Department of Oral Implantology
- 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
- Beijing 100081
- PR China
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Nanochannelar Topography Positively Modulates Osteoblast Differentiation and Inhibits Osteoclastogenesis. COATINGS 2018. [DOI: 10.3390/coatings8090294] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Based on previously reported findings showing reduced foreign body reactions on nanochannelar topography formed on TiZr alloy, this study explores the in vitro effects of such a nanostructured surface on cells relevant for implant osseointegration, namely osteoblasts and osteoclasts. We show that such nanochannelar surfaces sustain adhesion and proliferation of mouse pre-osteoblast MC3T3-E1 cells and enhance their osteogenic differentiation. Moreover, this specific nanotopography inhibits nuclear factor kappa-B ligand (RANKL)-mediated osteoclastogenesis. The nanochannels’ dual mode of action on the bone-derived cells could contribute to an enhanced bone formation around the bone implants. Therefore, these results warrant further investigation for nanochannels’ use as surface coatings of medical implant materials.
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Śmieszek A, Szydlarska J, Mucha A, Chrapiec M, Marycz K. Enhanced cytocompatibility and osteoinductive properties of sol-gel-derived silica/zirconium dioxide coatings by metformin functionalization. J Biomater Appl 2018; 32:570-586. [PMID: 29113566 DOI: 10.1177/0885328217738006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The aim of this study was to evaluate the pro-osteogenic properties of sol-gel-derived silica/zirconium dioxide coatings functionalized with 1 mM of metformin. The matrices were applied on 316L stainless steel using dip-coating technique. First of all, physicochemical properties of biomaterials were evaluated. Surface morphology and topography was determined using energy-dispersive X-ray spectroscopy and atomic force microscopy. The chemical composition was evaluated using Fourier transform infrared spectroscopy. Further, wettability and surface free energy were characterized. Cytocompatibility of biomaterials was tested in vitro using model of human multipotent mesenchymal stromal cells isolated from adipose tissue. The influence of biomaterials on cells morphology and proliferation was determined. Osteogenic effect of obtained biomaterials was evaluated in terms of their influence on secretory activity of human multipotent mesenchymal stromal cells isolated from adipose tissue and matrix mineralization. Analysis was performed in relation to the control cultures i.e. maintained on pure SS316L substrate and SS316L covered with silica/zirconium dioxide. Obtained results indicate that silica/zirconium dioxide_metformin coatings ameliorated metabolic and proliferative activity of human multipotent mesenchymal stromal cells isolated from adipose tissue, as well as promoted their proper growth and adhesion. The human multipotent mesenchymal stromal cells isolated from adipose tissue cultured on biomaterials were characterized by typical fibroblast-like morphology. The addition of metformin to the silica/zirconium dioxide coatings improved functional differentiation of human multipotent mesenchymal stromal cells isolated from adipose tissue. Osteogenic cultures on silica/zirconium dioxide_metformin were characterized by formation of well-developed osteonodules rich in calcium and phosphorous. Moreover, human multipotent mesenchymal stromal cells isolated from adipose tissue cultured on silica/zirconium dioxide_metformin synthesized increased amount of alkaline phosphatase, bone morphogenetic protein 2 and osteopontin, both on messenger RNA and protein level. Obtained biomaterials modulate cellular plasticity of human multipotent mesenchymal stromal cells isolated from adipose tissue promoting their osteogenic differentiation, thus may find application in broadly defined tissue engineering.
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Affiliation(s)
- Agnieszka Śmieszek
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland.,2 Wroclaw Research Centre EIT+, Stablowicka 147, Wroclaw, Poland
| | - Joanna Szydlarska
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Aleksandra Mucha
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Martyna Chrapiec
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland
| | - Krzysztof Marycz
- 1 Department of Experimental Biology and Electron Microscope Facility, The Faculty of Biology and Animal Science, Norwida 25, Wroclaw University of Environmental and Life Sciences, Wroclaw, Poland.,2 Wroclaw Research Centre EIT+, Stablowicka 147, Wroclaw, Poland
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43
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Vallejo-Giraldo C, Krukiewicz K, Calaresu I, Zhu J, Palma M, Fernandez-Yague M, McDowell B, Peixoto N, Farid N, O'Connor G, Ballerini L, Pandit A, Biggs MJP. Attenuated Glial Reactivity on Topographically Functionalized Poly(3,4-Ethylenedioxythiophene):P-Toluene Sulfonate (PEDOT:PTS) Neuroelectrodes Fabricated by Microimprint Lithography. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1800863. [PMID: 29862640 DOI: 10.1002/smll.201800863] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Revised: 04/17/2018] [Indexed: 06/08/2023]
Abstract
Following implantation, neuroelectrode functionality is susceptible to deterioration via reactive host cell response and glial scar-induced encapsulation. Within the neuroengineering community, there is a consensus that the induction of selective adhesion and regulated cellular interaction at the tissue-electrode interface can significantly enhance device interfacing and functionality in vivo. In particular, topographical modification holds promise for the development of functionalized neural interfaces to mediate initial cell adhesion and the subsequent evolution of gliosis, minimizing the onset of a proinflammatory glial phenotype, to provide long-term stability. Herein, a low-temperature microimprint-lithography technique for the development of micro-topographically functionalized neuroelectrode interfaces in electrodeposited poly(3,4-ethylenedioxythiophene):p-toluene sulfonate (PEDOT:PTS) is described and assessed in vitro. Platinum (Pt) microelectrodes are subjected to electrodeposition of a PEDOT:PTS microcoating, which is subsequently topographically functionalized with an ordered array of micropits, inducing a significant reduction in electrode electrical impedance and an increase in charge storage capacity. Furthermore, topographically functionalized electrodes reduce the adhesion of reactive astrocytes in vitro, evident from morphological changes in cell area, focal adhesion formation, and the synthesis of proinflammatory cytokines and chemokine factors. This study contributes to the understanding of gliosis in complex primary mixed cell cultures, and describes the role of micro-topographically modified neural interfaces in the development of stable microelectrode interfaces.
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Affiliation(s)
- Catalina Vallejo-Giraldo
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
| | - Katarzyna Krukiewicz
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
- Department of Physical Chemistry and Technology of Polymers, Silesian University of Technology, Gliwice, 44-100, Poland
| | - Ivo Calaresu
- Scuola Internazionale Superiore di Studi Avanzati (SISSA), Via Bonomea, 265, 34136, Trieste, Italy
| | - Jingyuan Zhu
- School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London, E14NS, UK
| | - Matteo Palma
- School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London, E14NS, UK
| | - Marc Fernandez-Yague
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
| | - BenjaminW McDowell
- Department of Electrical and Computer Engineering, George Mason University, 4400 University Drive, MS-1G5 Fairfax, VA, 22030, USA
| | - Nathalia Peixoto
- Department of Electrical and Computer Engineering, George Mason University, 4400 University Drive, MS-1G5 Fairfax, VA, 22030, USA
| | - Nazar Farid
- School of Physics, National University of Ireland, Galway, University Road, Galway, H91 CF50, Ireland
| | - Gerard O'Connor
- School of Physics, National University of Ireland, Galway, University Road, Galway, H91 CF50, Ireland
| | - Laura Ballerini
- Scuola Internazionale Superiore di Studi Avanzati (SISSA), Via Bonomea, 265, 34136, Trieste, Italy
| | - Abhay Pandit
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
| | - Manus Jonathan Paul Biggs
- CÚRAM-Centre for Research in Medical Devices-Galway, Biosciences Research Building, 118 Corrib Village, Newcastle, Galway, H91 D577, Ireland
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44
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Cristofaro F, Gigli M, Bloise N, Chen H, Bruni G, Munari A, Moroni L, Lotti N, Visai L. Influence of the nanofiber chemistry and orientation of biodegradable poly(butylene succinate)-based scaffolds on osteoblast differentiation for bone tissue regeneration. NANOSCALE 2018; 10:8689-8703. [PMID: 29701213 DOI: 10.1039/c8nr00677f] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Innovative nanofibrous scaffolds have attracted considerable attention in bone tissue engineering, due to their ability to mimic the hierarchical architecture of an extracellular matrix. Aiming at investigating how the polymer chemistry and fiber orientation of electrospun scaffolds (ES) based on poly(butylene succinate) (PBS) and poly(butylene succinate/diglycolate) (P(BS80BDG20)) affect human osteoblast differentiation, uniaxially aligned (a-) and randomly (r-) distributed nanofibers were produced. Although human osteoblastic SAOS-2 cells were shown to be viable and adherent onto all ES materials, a-P(BS80BDG20) exhibited the best performance both in terms of cellular phosphorylated focal adhesion kinase expression and in terms of alkaline phosphatase activity, calcified bone matrix deposition and quantitative gene expression of bone specific markers during differentiation. It has been hypothesized that the presence of ether linkages may lead to an increased density of hydrogen bond acceptors along the P(BS80BDG20) backbone, which, by interacting with cell membrane components, can in turn promote a better cell attachment on the copolymer mats with respect to the PBS homopolymer. Furthermore, although displaying the same chemical structure, r-P(BS80BDG20) scaffolds showed a reduced cell attachment and osteogenic differentiation in comparison with a-P(BS80BDG20), evidencing the importance of nanofiber alignment. Thus, the coupled action of polymer chemical structure and nanofiber alignment played a significant role in promoting the biological interaction.
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Affiliation(s)
- Francesco Cristofaro
- Molecular Medicine Department (DMM), Center for Health Technologies (CHT), UdR INSTM, University of Pavia, Via Taramelli 3/B, 27100 Pavia, Italy.
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45
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Ho SS, Keown AT, Addison B, Leach JK. Cell Migration and Bone Formation from Mesenchymal Stem Cell Spheroids in Alginate Hydrogels Are Regulated by Adhesive Ligand Density. Biomacromolecules 2017; 18:4331-4340. [PMID: 29131587 PMCID: PMC5971090 DOI: 10.1021/acs.biomac.7b01366] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The adhesion and migration of cells entrapped in engineered materials is regulated by available adhesive ligands. Although mesenchymal stem cell (MSC) spheroids injected into damaged tissues promote repair, their transplantation in biomaterials which regulate cell migration from the aggregate may further enhance their therapeutic potential. Alginate hydrogels were modified with Arginine-Glycine-Aspartic acid (RGD) at increasing concentrations, and osteogenically induced human MSC spheroids were entrapped to assess cell migration, survival, and differentiation. Cell migration was greater from MSC spheroids in alginate modified with low RGD levels, while the osteogenic potential was higher for spheroids entrapped in unmodified or high RGD density gels in vitro. Upon ectopic implantation, microCT and immunohistochemistry revealed extensive osteogenesis in unmodified and high RGD density gels compared to low RGD density gels. These data suggest that restriction of MSC migration from spheroids correlates with enhanced spheroid osteogenic potential, representing a novel tool for bone tissue engineering.
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Affiliation(s)
- Steve S. Ho
- Department of Biomedical Engineering, University of California, Davis, Davis California 95616, United States
| | - Andrew T. Keown
- Department of Biomedical Engineering, University of California, Davis, Davis California 95616, United States
| | - Bennett Addison
- Department of Biomedical Engineering, University of California, Davis, Davis California 95616, United States
| | - J. Kent Leach
- Department of Biomedical Engineering, University of California, Davis, Davis California 95616, United States
- Department of Orthopaedic Surgery, UC Davis Health, Sacramento California 95817, United States
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46
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Barata D, Dias P, Wieringa P, van Blitterswijk C, Habibovic P. Cell-instructive high-resolution micropatterned polylactic acid surfaces. Biofabrication 2017; 9:035004. [PMID: 28671108 DOI: 10.1088/1758-5090/aa7d24] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Micro and nanoscale topographical structuring of biomaterial surfaces has been a valuable tool for influencing cell behavior, including cell attachment, proliferation and differentiation. However, most fabrication techniques for surface patterning of implantable biomaterials suffer from a limited resolution, not allowing controlled generation of sub-cellular three-dimensional features. Here, a direct laser lithography technique based on two-photon absorption was used to construct several patterns varying in size between 500 nm and 15 μm. Through replication via an intermediate mold, the patterns were transferred into polylactic acid (PLA), a widely used biomedical polymer, while retaining the original geometry. An osteoblast-like cell line, MG-63 was used for characterizing the morphological response to the topographical patterns. The results indicated that semi-continuous (dashed) lines, with a height of 1 μm were able to induce cell elongation in the direction of the lines. However, when dashes with a height of 0.5 μm were combined with perpendicularly crossing continuous lines (rails) with a height of 8 μm, the contact guidance effect of the dashes was lost and elongation of the cells was observed in the direction of the larger features. A second pattern, consisting of different arrays of pillars showed that, depending on the pillar height, the cells were either able to spread over the pattern or were confined between the pattern features. These differences in the ability of cells to spread further resulted in the formation of tension forces through stress fibers and displacement of vimentin. The method for high-resolution micropatterning of PLA as presented here can also be applied to other biomedical polymers, making it useful both for fundamental studies and for designing new biomaterials with improved functionality.
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Affiliation(s)
- David Barata
- Department of Tissue Regeneration, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Enschede, Overijssel, Netherlands. Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Limburg, Netherlands
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47
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Čebatariūnienė A, Jarmalavičiūtė A, Tunaitis V, Pūrienė A, Venalis A, Pivoriūnas A. Microcarrier culture enhances osteogenic potential of human periodontal ligament stromal cells. J Craniomaxillofac Surg 2017; 45:845-854. [DOI: 10.1016/j.jcms.2017.03.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2016] [Revised: 02/22/2017] [Accepted: 03/20/2017] [Indexed: 11/15/2022] Open
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Bio- chemical and physical characterizations of mesenchymal stromal cells along the time course of directed differentiation. Sci Rep 2016; 6:31547. [PMID: 27526936 PMCID: PMC4985743 DOI: 10.1038/srep31547] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 07/18/2016] [Indexed: 12/21/2022] Open
Abstract
Cellular biophysical properties are novel biomarkers of cell phenotypes which may reflect the status of differentiating stem cells. Accurate characterizations of cellular biophysical properties, in conjunction with the corresponding biochemical properties could help to distinguish stem cells from primary cells, cancer cells, and differentiated cells. However, the correlated evolution of these properties in the course of directed stem cells differentiation has not been well characterized. In this study, we applied video particle tracking microrheology (VPTM) to measure intracellular viscoelasticity of differentiating human mesenchymal stromal/stem cells (hMSCs). Our results showed that osteogenesis not only increased both elastic and viscous moduli, but also converted the intracellular viscoelasticity of differentiating hMSCs from viscous-like to elastic-like. In contrast, adipogenesis decreased both elastic and viscous moduli while hMSCs remained viscous-like during the differentiation. In conjunction with bio- chemical and physical parameters, such as gene expression profiles, cell morphology, and cytoskeleton arrangement, we demonstrated that VPTM is a unique approach to quantify, with high data throughput, the maturation level of differentiating hMSCs and to anticipate their fate decisions. This approach is well suited for time-lapsed study of the mechanobiology of differentiating stem cells especially in three dimensional physico-chemical biomimetic environments including porous scaffolds.
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49
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Lin Z, Rodriguez NE, Zhao J, Ramey AN, Hyzy SL, Boyan BD, Schwartz Z. Selective enrichment of microRNAs in extracellular matrix vesicles produced by growth plate chondrocytes. Bone 2016; 88:47-55. [PMID: 27080510 PMCID: PMC4899086 DOI: 10.1016/j.bone.2016.03.018] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Revised: 03/28/2016] [Accepted: 03/31/2016] [Indexed: 01/09/2023]
Abstract
Matrix vesicles (MVs) are membrane organelles found in the extracellular matrix of calcifying cells, which contain matrix processing enzymes and regulate the extracellular environment via action of these enzymes. It is unknown whether MVs are also exosomic mediators of cell-cell communication via transfer of RNA material, and specifically, microRNA (miRNA). We investigated the presence of RNA in MVs isolated from cultures of costochondral growth zone chondrocytes. Our results showed that the average yield of MV RNA was 1.93±0.78ng RNA/10(4) cells, which was approximately 0.1% of the parent cell's total RNA. MV RNA was well-protected from RNase by the lipid membrane and was highly enriched in small RNA molecules compared to cells. Moreover, coding and non-coding small RNAs in MVs were in proportions that differed from parent cells. Enrichment of specific miRNAs was consistently observed in all three miRNA detection platforms that we used, suggesting that miRNAs are selectively packaged into MVs. MV-enriched miRNAs were related to different signaling pathways associated with bone formation. This study suggests a significant role for MVs as "matrisomes" in cell-cell communication in cartilage and bone development via transfer of specific miRNAs.
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Affiliation(s)
- Zhao Lin
- Department of Periodontics, Virginia Commonwealth University, Richmond, VA, United States; Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Nicholas E Rodriguez
- School of Biology, Virginia Commonwealth University, Richmond, VA, United States
| | - Junjun Zhao
- Department of Periodontics, Virginia Commonwealth University, Richmond, VA, United States; Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, United States; General Dentistry, 9th People's Hospital, College of Stomatology, Shanghai JiaoTong University School of Medicine, Shanghai, China
| | - Allison N Ramey
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Sharon L Hyzy
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, United States
| | - Barbara D Boyan
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, United States; Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, United States.
| | - Zvi Schwartz
- Department of Biomedical Engineering, School of Engineering, Virginia Commonwealth University, Richmond, VA, United States; Department of Periodontics, The University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
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50
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Azeem A, English A, Kumar P, Satyam A, Biggs M, Jones E, Tripathi B, Basu N, Henkel J, Vaquette C, Rooney N, Riley G, O'Riordan A, Cross G, Ivanovski S, Hutmacher D, Pandit A, Zeugolis D. The influence of anisotropic nano- to micro-topography on in vitro and in vivo osteogenesis. Nanomedicine (Lond) 2016; 10:693-711. [PMID: 25816874 DOI: 10.2217/nnm.14.218] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
AIM Topographically modified substrates are increasingly used in tissue engineering to enhance biomimicry. The overarching hypothesis is that topographical cues will control cellular response at the cell-substrate interface. MATERIALS & METHODS The influence of anisotropically ordered poly(lactic-co-glycolic acid) substrates (constant groove width of ~1860 nm; constant line width of ~2220 nm; variable groove depth of ~35, 306 and 2046 nm) on in vitro and in vivo osteogenesis were assessed. RESULTS & DISCUSSION We demonstrate that substrates with groove depths of approximately 306 and 2046 nm promote osteoblast alignment parallel to underlined topography in vitro. However, none of the topographies assessed promoted directional osteogenesis in vivo. CONCLUSION 2D imprinting technologies are useful tools for in vitro cell phenotype maintenance.
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Affiliation(s)
- Ayesha Azeem
- Network of Excellence for Functional Biomaterials (NFB), Biosciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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