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Mansell JP, Tanatani A, Kagechika H. An N-Cyanoamide Derivative of Lithocholic Acid Co-Operates with Lysophosphatidic Acid to Promote Human Osteoblast (MG63) Differentiation. Biomolecules 2023; 13:1113. [PMID: 37509149 PMCID: PMC10377543 DOI: 10.3390/biom13071113] [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: 05/20/2023] [Revised: 07/06/2023] [Accepted: 07/06/2023] [Indexed: 07/30/2023] Open
Abstract
Less-calcaemic vitamin D receptor (VDR) agonists have the potential to promote osteoblast maturation in a bone regenerative setting. The emergence of lithocholic acid (LCA) as a bona fide VDR agonist holds promise as an adjunct for arthroplasty following reports that it was less calcaemic than calcitriol (1,25D). However, LCA and some earlier derivatives, e.g., LCA acetate, had to be used at much higher concentrations than 1,25D to elicit comparable effects on osteoblasts. However, recent developments have led to the generation of far more potent LCA derivatives that even outperform the efficacy of 1,25D. These new compounds include the cyanoamide derivative, Dcha-150 (also known as AY2-79). In light of this significant development, we sought to ascertain the ability of Dcha-150 to promote human osteoblast maturation by monitoring alkaline phosphatase (ALP) and osteocalcin (OC) expression. The treatment of MG63 cells with Dcha-150 led to the production of OC. When Dcha-150 was co-administered with lysophosphatidic acid (LPA) or an LPA analogue, a synergistic increase in ALP activity occurred, with Dcha-150 showing greater potency compared to 1,25D. We also provide evidence that this synergy is likely attributed to the actions of myocardin-related transcription factor (MRTF)-serum response factor (SRF) gene transcription following LPA-receptor-induced cytoskeletal reorganisation.
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Affiliation(s)
- Jason P Mansell
- School of Applied Sciences, University of the West of England, Coldharbour Lane, Bristol BS16 1QY, UK
| | - Aya Tanatani
- Department of Chemistry, Faculty of Science, Ochanomizu University, Bunkyo-ku, Tokyo 112-8610, Japan
| | - Hiroyuki Kagechika
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), Chiyoda-ku, Tokyo 101-0062, Japan
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Kowalczyk P, Kopeć K, Wojasiński M, Jaroszewicz J, Ciach T. Composite microgranular scaffolds with surface modifications for improved initial osteoblastic cell proliferation. BIOMATERIALS ADVANCES 2023; 151:213489. [PMID: 37267750 DOI: 10.1016/j.bioadv.2023.213489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/22/2023] [Accepted: 05/28/2023] [Indexed: 06/04/2023]
Abstract
Polyester-based granular scaffolds are a potent material for tissue engineering due to their porosity, controllable pore size, and potential to be molded into various shapes. Additionally, they can be produced as composite materials, e.g., mixed with osteoconductive β-tricalcium phosphate or hydroxyapatite. Such polymer-based composite materials often happen to be hydrophobic, which disrupts cell attachment and decreases cell growth on the scaffold, undermining its primary function. In this work, we propose the experimental comparison of three modification techniques for granular scaffolds to increase their hydrophilicity and cell attachment. Those techniques include atmospheric plasma treatment, polydopamine coating, and polynorepinephrine coating. Composite polymer/β-tricalcium phosphate granules have been produced in a solution-induced phase separation (SIPS) process using commercially available biomedical polymers: poly(lactic acid), poly(lactic-co-glycolic acid), and polycaprolactone. We used thermal assembly to prepare cylindrical scaffolds from composite microgranules. Atmospheric plasma treatment, polydopamine coating, and polynorepinephrine coating showed similar effects on polymer composites' hydrophilic and bioactive properties. All modifications significantly increased human osteosarcoma MG-63 cell adhesion and proliferation in vitro compared to cells cultured on unmodified materials. In the case of polycaprolactone/β-tricalcium phosphate scaffolds, modifications were the most necessary, as unmodified polycaprolactone-based material disrupted the cell attachment. Modified polylactide/β-tricalcium phosphate scaffold supported excellent cell growth and showed ultimate compressive strength exceeding this of human trabecular bone. This suggests that all investigated modification techniques can be used interchangeably for increasing wettability and cell attachment properties of various scaffolds for medical applications, especially those with high surface and volumetric porosity, like granular scaffolds.
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Affiliation(s)
- Piotr Kowalczyk
- Warsaw University of Technology, Faculty of Chemical and Process Engineering, Department of Biotechnology and Bioprocess Engineering, Ludwika Waryńskiego 1, 00-645 Warsaw, Poland; Centre for Advanced Materials and Technology CEZAMAT, Poleczki 19, 02-822 Warsaw, Poland.
| | - Kamil Kopeć
- Warsaw University of Technology, Faculty of Chemical and Process Engineering, Department of Biotechnology and Bioprocess Engineering, Ludwika Waryńskiego 1, 00-645 Warsaw, Poland
| | - Michał Wojasiński
- Warsaw University of Technology, Faculty of Chemical and Process Engineering, Department of Biotechnology and Bioprocess Engineering, Ludwika Waryńskiego 1, 00-645 Warsaw, Poland
| | - Jakub Jaroszewicz
- Warsaw University of Technology, Faculty of Material Science and Engineering, Wołoska 141, 02-507 Warsaw, Poland
| | - Tomasz Ciach
- Warsaw University of Technology, Faculty of Chemical and Process Engineering, Department of Biotechnology and Bioprocess Engineering, Ludwika Waryńskiego 1, 00-645 Warsaw, Poland; Centre for Advanced Materials and Technology CEZAMAT, Poleczki 19, 02-822 Warsaw, Poland
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Dvorakova J, Wiesnerova L, Chocholata P, Kulda V, Landsmann L, Cedikova M, Kripnerova M, Eberlova L, Babuska V. Human cells with osteogenic potential in bone tissue research. Biomed Eng Online 2023; 22:33. [PMID: 37013601 PMCID: PMC10069154 DOI: 10.1186/s12938-023-01096-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 03/24/2023] [Indexed: 04/05/2023] Open
Abstract
Bone regeneration after injury or after surgical bone removal due to disease is a serious medical challenge. A variety of materials are being tested to replace a missing bone or tooth. Regeneration requires cells capable of proliferation and differentiation in bone tissue. Although there are many possible human cell types available for use as a model for each phase of this process, no cell type is ideal for each phase. Osteosarcoma cells are preferred for initial adhesion assays due to their easy cultivation and fast proliferation, but they are not suitable for subsequent differentiation testing due to their cancer origin and genetic differences from normal bone tissue. Mesenchymal stem cells are more suitable for biocompatibility testing, because they mimic natural conditions in healthy bone, but they proliferate more slowly, soon undergo senescence, and some subpopulations may exhibit weak osteodifferentiation. Primary human osteoblasts provide relevant results in evaluating the effect of biomaterials on cellular activity; however, their resources are limited for the same reasons, like for mesenchymal stem cells. This review article provides an overview of cell models for biocompatibility testing of materials used in bone tissue research.
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Affiliation(s)
- Jana Dvorakova
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Lucie Wiesnerova
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Petra Chocholata
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Vlastimil Kulda
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Lukas Landsmann
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Miroslava Cedikova
- Biomedical Center, Laboratory of Tumor Biology and Immunotherapy, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Michaela Kripnerova
- Department of Biology, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Lada Eberlova
- Department of Anatomy, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1655/76, 323 00, Plzen, Czech Republic
| | - Vaclav Babuska
- Department of Medical Chemistry and Biochemistry, Faculty of Medicine in Pilsen, Charles University, Alej Svobody 1655/76, 323 00, Plzen, Czech Republic.
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Biological Evaluation of Zinc Phosphate Cement for Potential Bone Contact Applications. Biomedicines 2023; 11:biomedicines11020250. [PMID: 36830786 PMCID: PMC9953316 DOI: 10.3390/biomedicines11020250] [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: 11/24/2022] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023] Open
Abstract
Zinc phosphate cement is used in dentistry to lute crowns and bridges. So far, its biocompatibility for other applications has not been studied. This paper reports the biocompatibility of zinc phosphate towards MG63 cells, testing both the material (discs; 3 mm diameter × 1 mm thick) and leachate from the cement. Cell viability was determined using an MTT assay, and cytotoxicity from the effects of leachate, studied in triplicate. Microscopy (optical and scanning electron) determined the morphology and proliferation of cells attached to zinc phosphate. ICP-OES measured element release into leachate, and anti-microbial behaviour was determined against Streptococcus pyrogenes cultured on a Brain Heart Infusion agar using cement discs (3 mm diameter × 1 mm thick). Zones of inhibition were measured after 72 h. MG63 cells proliferated on zinc phosphate surfaces and retained their morphology. The cells were healthy and viable as shown by an MTT assay, both on cement and in leachate. High levels of phosphorus but low levels of zinc were released into leachate. The cement showed minimal antimicrobial activity against S. pyogenes, probably due to the long maturation times used. Zinc phosphate cement was found to be biocompatible towards MG63 cells, which indicates that it may be capable of use in bone contact applications.
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Macroporous Hyaluronic Acid/Chitosan Polyelectrolyte Complex-Based Hydrogels Loaded with Hydroxyapatite Nanoparticles: Preparation, Characterization and In Vitro Evaluation. POLYSACCHARIDES 2022. [DOI: 10.3390/polysaccharides3040043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The aim of the study was to fabricate and characterize composite macroporous hydrogels based on a hyaluronic acid/chitosan (Hyal/Ch) polyelectrolyte complex (PEC) loaded with homogeneously distributed hydroxyapatite nanoparticles (nHAp), and to evaluate them in vitro using mouse fibroblasts (L929), osteoblast-like cells (HOS) and human mesenchymal stromal cells (hMSC). Hydrogel morphology as a function of the hydroxyapatite nanoparticle content was studied using scanning electron microscopy (SEM) and confocal laser scanning microscopy (CLSM). The mean pore size in the Hyal/Ch hydrogel was 204 ± 25 μm. The entrapment of nHAp (1 and 5 wt. %) into the Hyal/Ch hydrogel led to a mean pore size decrease (94 ± 2 and 77 ± 9 μm, relatively). Swelling ratio and weight loss of the hydrogels in various aqueous media were found to increase with an enhancement of a medium ionic strength. Cell morphology and localization within the hydrogels was studied by CLSM. Cell viability depended upon the nHAp content and was evaluated by MTT-assay after 7 days of cultivation in the hydrogels. An increase of the hydroxyapatite nanoparticles loading in a range of 1–10 wt. % resulted in an enhancement of cell growth and proliferation for all hydrogels. Maximum cell viability was obtained in case of the Hyal/Ch/nHAp-10 sample (10 wt. % nHAp), while a minimal cell number was found for the Hyal/Ch/nHAp-1 hydrogel (1 wt. % nHAp). Thus, the proposed simple original technique and the design of PEC hydrogels could be promising for tissue engineering, in particular for bone tissue repair.
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Khare D, Singh P, Dubey AK. Interplay of surface polarization charge, dynamic electrical stimulation and compositional modification towards accelerated osteogenic response of Na xK 1-xNbO 3 piezo-bioceramics. BIOMATERIALS ADVANCES 2022; 140:213042. [PMID: 35914328 DOI: 10.1016/j.bioadv.2022.213042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/10/2022] [Accepted: 07/19/2022] [Indexed: 06/15/2023]
Abstract
Bone remodeling processes involve endogenous bioelectrical signals such as piezoelectric charges. Moreover, external electrical stimulation helps in improving the healing capability of injured tissues by modulating the metabolic signaling pathways of cells. Towards this end, the present study reveals the influence of the combined action of electrostatic surface polarization charge and dynamic pulsed electrical stimulation alongwith compositional modification towards improving the osteogenic response of emerging piezo-bioceramics, sodium potassium niobate [NaxK1-xNbO3 (x = 0.2-0.8), NKN]. The dependence of crystal structure on compositions (x) was retrieved by Rietveld refinement and X-ray peak profile analyses. The surface charge, stored in the polarized (@ 25 kV at 500 °C) NaxK1-xNbO3 (x = 0.2, 0.5, 0.8) samples were measured to be 0.52, 0.50 and 0.47 μC/cm2, respectively, using thermally stimulated depolarized current (TSDC). X-ray photoelectron spectroscopy (XPS) survey scan spectra revealed that the polarization process does not alter the surface chemistry of NKN. Negatively charged surfaces are observed to accelerate early-stage adhesion of osteoblast-like cells which further results in enhanced spreading of adhered cells. Subsequently, the dynamic pulsed electrical stimulation of 1 V/cm with the pulse duration of 400 μs was applied, while the cells were being adhered on electrostatically charged surfaces. The quantitative and qualitative analyses revealed that the synergistic action of electrostatic surface polarization charge and dynamic pulsed electrical stimulation further accelerates cell proliferation and differentiation on negatively charged surfaces of Na and K-rich compositions of NKN. The mechanism of augmented cellular activity was analyzed using intracellular Ca2+ measurement.
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Affiliation(s)
- Deepak Khare
- Department of Ceramic Engineering, Indian Institute of Technology (BHU), Varanasi 221005, INDIA
| | - Priya Singh
- Department of Ceramic Engineering, Indian Institute of Technology (BHU), Varanasi 221005, INDIA
| | - Ashutosh Kumar Dubey
- Department of Ceramic Engineering, Indian Institute of Technology (BHU), Varanasi 221005, INDIA.
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Pulsed Electrical Stimulation Affects Osteoblast Adhesion and Calcium Ion Signaling. Cells 2022; 11:cells11172650. [PMID: 36078058 PMCID: PMC9454840 DOI: 10.3390/cells11172650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/18/2022] [Accepted: 08/23/2022] [Indexed: 11/17/2022] Open
Abstract
An extensive research field in regenerative medicine is electrical stimulation (ES) and its impact on tissue and cells. The mechanism of action of ES, particularly the role of electrical parameters like intensity, frequency, and duration of the electric field, is not yet fully understood. Human MG-63 osteoblasts were electrically stimulated for 10 min with a commercially available multi-channel system (IonOptix). We generated alternating current (AC) electrical fields with a voltage of 1 or 5 V and frequencies of 7.9 or 20 Hz, respectively. To exclude liquid-mediated effects, we characterized the AC-stimulated culture medium. AC stimulation did not change the medium’s pH, temperature, and oxygen content. The H2O2 level was comparable with the unstimulated samples except at 5 V_7.9 Hz, where a significant increase in H2O2 was found within the first 30 min. Pulsed electrical stimulation was beneficial for the process of attachment and initial adhesion of suspended osteoblasts. At the same time, the intracellular Ca2+ level was enhanced and highest for 20 Hz stimulated cells with 1 and 5 V, respectively. In addition, increased Ca2+ mobilization after an additional trigger (ATP) was detected at these parameters. New knowledge was provided on why electrical stimulation contributes to cell activation in bone tissue regeneration.
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Ledda M, Merco M, Sciortino A, Scatena E, Convertino A, Lisi A, Del Gaudio C. Biological Response to Bioinspired Microporous 3D-Printed Scaffolds for Bone Tissue Engineering. Int J Mol Sci 2022; 23:ijms23105383. [PMID: 35628195 PMCID: PMC9140815 DOI: 10.3390/ijms23105383] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/28/2022] [Accepted: 05/09/2022] [Indexed: 02/05/2023] Open
Abstract
The scaffold is a key element in the field of tissue engineering, especially when large defects or substitutions of pathological tissues or organs need to be clinically addressed. The expected outcome is strongly dependent on the cell–scaffold interaction and the integration with the surrounding biological tissue. Indeed, mimicking the natural extracellular matrix (ECM) of the tissue to be healed represents a further optimization that can limit a possible morphological mismatch between the scaffold and the tissue itself. For this aim, and referring to bone tissue engineering, polylactic acid (PLA) scaffolds were 3D printed with a microstructure inspired by the trabecular architecture and biologically evaluated by means of human osteosarcoma SAOS-2 cells. The cells were seeded on two types of scaffolds differing for the designed pore size (i.e., 400 and 600 µm), showing the same growth exponential trend found in the control and no significant alterations in the actin distribution. The microporous structure of the two tested samples enhanced the protein adsorption capability and mRNA expression of markers related to protein synthesis, proliferation, and osteoblast differentiation. Our findings demonstrate that 3D-printed scaffolds support the adhesion, growth, and differentiation of osteoblast-like cells and the microporous architecture, mimicking the natural bone hierarchical structure, and favoring greater bioactivity. These bioinspired scaffolds represent an interesting new tool for bone tissue engineering and regenerative medicine applications.
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Affiliation(s)
- Mario Ledda
- Institute of Translational Pharmacology, National Research Council, Via Fosso del Cavaliere 100, 00133 Rome, Italy; (M.M.); (A.L.)
- Correspondence: (M.L.); (C.D.G.)
| | - Miriam Merco
- Institute of Translational Pharmacology, National Research Council, Via Fosso del Cavaliere 100, 00133 Rome, Italy; (M.M.); (A.L.)
| | - Antonio Sciortino
- Institute for Microelectronics and Microsystems, National Research Council, Via Fosso del Cavaliere 100, 00133 Rome, Italy; (A.S.); (A.C.)
| | - Elisa Scatena
- Hypatia Research Consortium, Via del Politecnico snc, 00133 Rome, Italy;
- E. Amaldi Foundation, Via del Politecnico snc, 00133 Rome, Italy
| | - Annalisa Convertino
- Institute for Microelectronics and Microsystems, National Research Council, Via Fosso del Cavaliere 100, 00133 Rome, Italy; (A.S.); (A.C.)
| | - Antonella Lisi
- Institute of Translational Pharmacology, National Research Council, Via Fosso del Cavaliere 100, 00133 Rome, Italy; (M.M.); (A.L.)
| | - Costantino Del Gaudio
- Hypatia Research Consortium, Via del Politecnico snc, 00133 Rome, Italy;
- E. Amaldi Foundation, Via del Politecnico snc, 00133 Rome, Italy
- Correspondence: (M.L.); (C.D.G.)
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Garcia ALH, Matzenbacher CA, Soares S, Rohr P, da Silva J. Fluorosilicic acid and cotinine, separately and in combination, induce genotoxicity and telomeric reduction in human osteoblast cell line MG63. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2022; 876-877:503474. [PMID: 35483789 DOI: 10.1016/j.mrgentox.2022.503474] [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: 06/19/2021] [Revised: 02/07/2022] [Accepted: 02/14/2022] [Indexed: 06/14/2023]
Abstract
Skeletal fluorosis is a severe case in which bone deformations and bone tissue weakening occur due to excessive fluorine deposition. Recently, data on smoking have been published that smoke constituents can indirectly influence bone mass and interfere in the metabolism of fluorides in humans. Thus, the present in vitro study aimed to assess the genetic instability in human osteoblast MG63 cells exposed to fluorosilicic acid (FA) and cotinine (COT), separately and in combination, in concentrations found in human plasma. For this, cell cytotoxicity was performed by MTT assay; DNA damage was performed by alkaline comet assay (CA), modified by repair endonucleases (+FPG); micronuclei test (MN) using CBMN-Cyt assay; and telomere length (TL) by qPCR in MG63 cells. No cytotoxicity was observed for all concentrations tested in this study. Alkaline CA results showed a significant increase in DNA damage at all FA concentrations (0.03125-0.300 mg/L), in the two highest concentrations of COT (125 and 250 ng/mL), and the highest concentration of FA+COT (0.300 mg/L+250 ng/mL). Alkaline CA+FPG test was used to detect oxidized nucleobases, which occurred at the two highest concentrations of FA, COT, and FA+COT. Micronuclei test showed an increase in the frequency of MN at all concentrations of FA (0.075-0.300 mg/L) except in the lowest concentration (0.03125 mg/L), in the two highest concentrations of COT (125 and 250 ng/mL), and all concentrations of FA+COT. There was no significant difference in nuclear division index, binucleated cells, nucleoplasmic bridge, and nuclear bud. A TL reduction was observed in cells treated with the highest concentrations of FA alone (0.300 mg/L) and FA+COT (0.300 mg/L+250 ng/mL). Finally, our study showed that FA and COT (mainly alone) at concentrations found in human plasma induced oxidative damage and genetic instability in human osteoblast cells.
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Affiliation(s)
- Ana L H Garcia
- Lutheran University of Brazil (ULBRA), Laboratory of Genetic Toxicology, PPGBioSaúde (Postgraduate Program in Cellular and Molecular Biology Applied to Health) and PPGGTA (Postgraduate Program in Genetics and Applied Toxicology), 92425-900, Canoas, RS, Brazil; Laboratory of Genetic Toxicology, La Salle University (UniLaSalle), Canoas, RS, Brazil.
| | - Cristina A Matzenbacher
- Federal University of Rio Grande do Sul, Department of Genetics, C.P. 15053, 91501-970 Porto Alegre, RS, Brazil
| | - Solange Soares
- Lutheran University of Brazil (ULBRA), Laboratory of Genetic Toxicology, PPGBioSaúde (Postgraduate Program in Cellular and Molecular Biology Applied to Health) and PPGGTA (Postgraduate Program in Genetics and Applied Toxicology), 92425-900, Canoas, RS, Brazil
| | - Paula Rohr
- Molecular Oncology Research Center, Barretos Cancer Hospital, Barretos, São Paulo, Brazil
| | - Juliana da Silva
- Lutheran University of Brazil (ULBRA), Laboratory of Genetic Toxicology, PPGBioSaúde (Postgraduate Program in Cellular and Molecular Biology Applied to Health) and PPGGTA (Postgraduate Program in Genetics and Applied Toxicology), 92425-900, Canoas, RS, Brazil; Laboratory of Genetic Toxicology, La Salle University (UniLaSalle), Canoas, RS, Brazil.
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Bacakova L, Novotna K, Hadraba D, Musilkova J, Slepicka P, Beran M. Influence of Biomimetically Mineralized Collagen Scaffolds on Bone Cell Proliferation and Immune Activation. Polymers (Basel) 2022; 14:polym14030602. [PMID: 35160591 PMCID: PMC8838484 DOI: 10.3390/polym14030602] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/30/2022] [Accepted: 02/01/2022] [Indexed: 12/21/2022] Open
Abstract
Collagen, as the main component of connective tissue, is frequently used in various tissue engineering applications. In this study, porous sponge-like collagen scaffolds were prepared by freeze-drying and were then mineralized in a simulated body fluid. The mechanical stability was similar in both types of scaffolds, but the mineralized scaffolds (MCS) contained significantly more calcium, magnesium and phosphorus than the unmineralized scaffolds (UCS). Although the MCS contained a lower percentage (~32.5%) of pores suitable for cell ingrowth (113–357 μm in diameter) than the UCS (~70%), the number of human-osteoblast-like MG-63 cells on days 1, 3 and 7 after seeding was higher on MCS than on UCS, and the cells penetrated deeper into the MCS. The cell growth in extracts prepared by eluting the scaffolds for 7 days in a cell culture medium was also markedly higher in the MCS extracts, as indicated by real-time monitoring in the sensory xCELLigence system for 7 days. From this point of view, MCS are more promising for bone tissue engineering than UCS. However, MCS evoked a more pronounced inflammatory response than UCS, as indicated by the production of tumor necrosis factor-alpha (TNF-α) in macrophage-like RAW 264.7 cells in cultures on these scaffolds.
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Affiliation(s)
- Lucie Bacakova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic; (K.N.); (D.H.); (J.M.)
- Correspondence: ; Tel.: +420-2-9644-3743
| | - Katarina Novotna
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic; (K.N.); (D.H.); (J.M.)
| | - Daniel Hadraba
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic; (K.N.); (D.H.); (J.M.)
| | - Jana Musilkova
- Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20 Prague 4, Czech Republic; (K.N.); (D.H.); (J.M.)
| | - Petr Slepicka
- Department of Solid State Engineering, Faculty of Chemical Technology, University of Chemistry and Technology, Technicka 5, 166 28 Prague 6, Czech Republic;
| | - Milos Beran
- Food Research Institute Prague, Radiova 7, 102 31 Prague 10, Czech Republic;
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Fabrication of 3D Printed Poly(lactic acid)/Polycaprolactone Scaffolds Using TGF-β1 for Promoting Bone Regeneration. Polymers (Basel) 2021; 13:polym13213731. [PMID: 34771286 PMCID: PMC8588076 DOI: 10.3390/polym13213731] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/20/2021] [Accepted: 10/22/2021] [Indexed: 12/27/2022] Open
Abstract
Our research was designed to evaluate the effect on bone regeneration with 3-dimensional (3D) printed polylactic acid (PLA) and 3D printed polycaprolactone (PCL) scaffolds, determine the more effective option for enhancing bone regeneration, and offer tentative evidence for further research and clinical application. Employing the 3D printing technique, the PLA and PCL scaffolds showed similar morphologies, as confirmed via scanning electron microscopy (SEM). Mechanical strength was significantly higher in the PLA group (63.4 MPa) than in the PCL group (29.1 MPa) (p < 0.01). Average porosity, swelling ratio, and degeneration rate in the PCL scaffold were higher than those in the PLA scaffold. SEM observation after cell coculture showed improved cell attachment and activity in the PCL scaffolds. A functional study revealed the best outcome in the 3D printed PCL-TGF-β1 scaffold compared with the 3D printed PCL and the 3D printed PCL-Polydopamine (PDA) scaffold (p < 0.001). As confirmed via SEM, the 3D printed PCL- transforming growth factor beta 1 (TGF-β1) scaffold also exhibited improved cell adhesion after 6 h of cell coculture. The 3D printed PCL scaffold showed better physical properties and biocompatibility than the 3D printed PLA scaffold. Based on the data of TGF-β1, this study confirms that the 3D printed PCL scaffold may offer stronger osteogenesis.
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12
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Phloroglucinol-enhanced whey protein isolate hydrogels with antimicrobial activity for tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 129:112412. [PMID: 34579921 DOI: 10.1016/j.msec.2021.112412] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 08/12/2021] [Accepted: 08/30/2021] [Indexed: 12/28/2022]
Abstract
Aging populations in developed countries will increase the demand for implantable materials to support tissue regeneration. Whey Protein Isolate (WPI), derived from dairy industry by-products, can be processed into hydrogels with the following desirable properties for applications in tissue engineering: (i) ability to support adhesion and growth of cells; (ii) ease of sterilization by autoclaving and (iii) ease of incorporation of poorly water-soluble drugs with antimicrobial activity, such as phloroglucinol (PG), the fundamental phenolic subunit of marine polyphenols. In this study, WPI hydrogels were enriched with PG at concentrations between 0 and 20% w/v. PG solubilization in WPI hydrogels is far higher than in water. Enrichment with PG did not adversely affect mechanical properties, and endowed antimicrobial activity against a range of bacteria which occur in healthcare-associated infections (HAI). WPI-PG hydrogels supported the growth of, and collagen production by human dental pulp stem cells and - to a lesser extent - of osteosarcoma-derived MG-63 cells. In summary, enrichment of WPI with PG may be a promising strategy to prevent microbial contamination while still promoting stem cell attachment and growth.
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Mostafa AA, El-Sayed MMH, Emam AN, Abd-Rabou AA, Dawood RM, Oudadesse H. Bioactive glass doped with noble metal nanoparticles for bone regeneration: in vitro kinetics and proliferative impact on human bone cell line. RSC Adv 2021; 11:25628-25638. [PMID: 35478889 PMCID: PMC9036971 DOI: 10.1039/d1ra03876a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 07/12/2021] [Indexed: 12/01/2022] Open
Abstract
This work investigates the bioactivity of novel silver-doped (BG-Ag) and gold-doped (BG-Au) quaternary 46S6 bioactive glasses synthesized via a semi-solid-state technique. A pseudo-second-order kinetic model successfully predicted the in vitro uptake kinetic profiles of the initial ion-exchange release of Ca in simulated body fluid, the subsequent Si release, and finally, the adsorption of Ca and P onto the bioactive glasses. Doping with silver nanoparticles enhanced the rate of P uptake by up to approximately 90%; whereas doping with gold nanoparticles improved Ca and P uptake rates by up to about 7 and 2 times, respectively; as well as Ca uptake capacity by up to about 19%. The results revealed that the combined effect of Ca and Si release, and possibly the release of silver and gold ions into solution, influenced apatite formation due to their effect on Ca and P uptake rate and capacity. In general, gold-doped bioactive glasses are favoured for enhancing Ca and P uptake rates in addition to Ca uptake capacity. However, silver-doped bioactive glasses being less expensive can be utilized for applications targeting rapid healing. In vitro studies showed that BG, BG-Ag and BG-Au had no cytotoxic effects on osteosarcoma MG-63 cells, while they exhibited a remarkable cell proliferation even at low concentration. The prepared bioactive glass doped with noble metal nanoparticles could be potentially used in bone regeneration applications.
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Affiliation(s)
- Amany A Mostafa
- Refractories, Ceramics and Building Materials Department (Biomaterials Group), National Research Centre (NRC) El Bohouth St., Dokki 12622 Cairo Egypt
- Nanomedicine & Tissue Engineering Lab., Medical Research Center of Excellence (MRCE), NRC Egypt
| | - Mayyada M H El-Sayed
- Chemistry Department, School of Sciences and Engineering, American University in Cairo AUC Avenue New Cairo 11835 Egypt
| | - Ahmed N Emam
- Refractories, Ceramics and Building Materials Department (Biomaterials Group), National Research Centre (NRC) El Bohouth St., Dokki 12622 Cairo Egypt
- Nanomedicine & Tissue Engineering Lab., Medical Research Center of Excellence (MRCE), NRC Egypt
| | - Ahmed A Abd-Rabou
- Hormones Department, Medical Research Division, National Research Centre Dokki Giza Egypt
| | - Reham M Dawood
- Department of Microbial Biotechnology, Genetic Engineering Division, National Research Centre 33 EL Bohouth Street Dokki Giza 12622 Egypt
| | - Hassane Oudadesse
- Universite de Rennes 1, UMR CNRS 6226 263 Avenue du Général Leclerc 35042 Rennes Cedex France
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14
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Yuste I, Luciano FC, González-Burgos E, Lalatsa A, Serrano DR. Mimicking bone microenvironment: 2D and 3D in vitro models of human osteoblasts. Pharmacol Res 2021; 169:105626. [PMID: 33892092 DOI: 10.1016/j.phrs.2021.105626] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/05/2021] [Accepted: 04/15/2021] [Indexed: 02/06/2023]
Abstract
Understanding the in vitro biology and behavior of human osteoblasts is crucial for developing research models that reproduce closely the bone structure, its functions, and the cell-cell and cell-matrix interactions that occurs in vivo. Mimicking bone microenvironment is challenging, but necessary, to ensure the clinical translation of novel medicines to treat more reliable different bone pathologies. Currently, bone tissue engineering is moving from 2D cell culture models such as traditional culture, sandwich culture, micro-patterning, and altered substrate stiffness, towards more complex 3D models including spheroids, scaffolds, cell sheets, hydrogels, bioreactors, and microfluidics chips. There are many different factors, such cell line type, cell culture media, substrate roughness and stiffness that need consideration when developing in vitro models as they affect significantly the microenvironment and hence, the final outcome of the in vitro assay. Advanced technologies, such as 3D bioprinting and microfluidics, have allowed the development of more complex structures, bridging the gap between in vitro and in vivo models. In this review, past and current 2D and 3D in vitro models for human osteoblasts will be described in detail, highlighting the culture conditions and outcomes achieved, as well as the challenges and limitations of each model, offering a widen perspective on how these models can closely mimic the bone microenvironment and for which applications have shown more successful results.
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Affiliation(s)
- I Yuste
- Pharmaceutics and Food Technology Department, School of Pharmacy, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - F C Luciano
- Pharmaceutics and Food Technology Department, School of Pharmacy, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - E González-Burgos
- Department of Pharmacology, Pharmacognosy and Botany, Faculty of Pharmacy, Universidad Complutense de Madrid (UCM), Madrid, Spain
| | - A Lalatsa
- Biomaterials, Bio-engineering and Nanomedicine (BioN) Lab, Institute of Biomedical and Biomolecular Sciences, School of Pharmacy and Biomedical Sciences, University of Portsmouth, White Swan Road, Portsmouth PO1 2 DT, UK
| | - D R Serrano
- Pharmaceutics and Food Technology Department, School of Pharmacy, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain; Instituto Universitario de Farmacia Industrial. Facultad de Farmacia. Universidad Complutense de Madrid, 28040, Madrid, Spain.
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15
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Jablonská E, Horkavcová D, Rohanová D, Brauer DS. A review of in vitro cell culture testing methods for bioactive glasses and other biomaterials for hard tissue regeneration. J Mater Chem B 2021; 8:10941-10953. [PMID: 33169773 DOI: 10.1039/d0tb01493a] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Bioactive glasses are used to regenerate bone by a mechanism which involves surface degradation, the release of ions such as calcium, soluble silica and phosphate and the precipitation of a biomimetic apatite surface layer on the glass. One major area of bioactive glass research is the incorporation of therapeutically active ions to broaden the application range of these materials. When developing such new compositions, in vitro cell culture studies are a key part of their characterisation. However, parameters of cell culture studies vary widely, and depending on the intended use of bioactive glass compositions, different layouts, cell types and assays need to be used. The aim of this publication is to provide materials scientists, particularly those new to cell culture studies, with a tool for selecting the most appropriate assays to give insight into the properties of interest.
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Affiliation(s)
- Eva Jablonská
- Laboratory of Molecular Biology and Virology, Department of Biochemistry and Microbiology, University of Chemistry and Technology, Technická 3, 166 28 Prague 6, Czech Republic.
| | - Diana Horkavcová
- Laboratory of Chemistry and Technology of Glasses, Department of Glass and Ceramics, University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
| | - Dana Rohanová
- Laboratory of Chemistry and Technology of Glasses, Department of Glass and Ceramics, University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic
| | - Delia S Brauer
- Otto Schott Institute of Materials Research, Faculty of Chemistry and Earth Sciences, Friedrich Schiller University Jena, Fraunhoferstr. 6, 07743 Jena, Germany.
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16
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Voelkner C, Wendt M, Lange R, Ulbrich M, Gruening M, Staehlke S, Nebe B, Barke I, Speller S. The nanomorphology of cell surfaces of adhered osteoblasts. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2021; 12:242-256. [PMID: 33777612 PMCID: PMC7961864 DOI: 10.3762/bjnano.12.20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 02/19/2021] [Indexed: 06/12/2023]
Abstract
The functionality of living cells is inherently linked to subunits with dimensions ranging from several micrometers down to the nanometer scale. The cell surface plays a particularly important role. Electric signaling, including information processing, takes place at the membrane, as well as adhesion and contact. For osteoblasts, adhesion and spreading are crucial processes with regard to bone implants. Here we present a comprehensive characterization of the 3D nanomorphology of living, as well as fixed, osteoblastic cells using scanning ion conductance microscopy (SICM), which is a nanoprobing method that largely avoids mechanical perturbations. Dynamic ruffles are observed, manifesting themselves in characteristic membrane protrusions. They contribute to the overall surface corrugation, which we systematically study by introducing the relative 3D excess area as a function of the projected adhesion area. A clear anticorrelation between the two parameters is found upon analysis of ca. 40 different cells on glass and on amine-covered surfaces. At the rim of lamellipodia, characteristic edge heights between 100 and 300 nm are observed. Power spectral densities of membrane fluctuations show frequency-dependent decay exponents with absolute values greater than 2 on living osteoblasts. We discuss the capability of apical membrane features and fluctuation dynamics in aiding the assessment of adhesion and migration properties on a single-cell basis.
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Affiliation(s)
- Christian Voelkner
- Department Science and Technology of Life, Light and Matter, University of Rostock, Albert-Einstein-Str. 25, 18059 Rostock, Germany
- Institute of Physics, University of Rostock, Albert-Einstein-Str. 23, 18059 Rostock, Germany
| | - Mirco Wendt
- Department Science and Technology of Life, Light and Matter, University of Rostock, Albert-Einstein-Str. 25, 18059 Rostock, Germany
- Institute of Physics, University of Rostock, Albert-Einstein-Str. 23, 18059 Rostock, Germany
| | - Regina Lange
- Department Science and Technology of Life, Light and Matter, University of Rostock, Albert-Einstein-Str. 25, 18059 Rostock, Germany
- Institute of Physics, University of Rostock, Albert-Einstein-Str. 23, 18059 Rostock, Germany
| | - Max Ulbrich
- Department Science and Technology of Life, Light and Matter, University of Rostock, Albert-Einstein-Str. 25, 18059 Rostock, Germany
- Institute of Physics, University of Rostock, Albert-Einstein-Str. 23, 18059 Rostock, Germany
| | - Martina Gruening
- Department of Cell Biology, Rostock University Medical Center, Schillingallee 69, 18057 Rostock, Germany
| | - Susanne Staehlke
- Department of Cell Biology, Rostock University Medical Center, Schillingallee 69, 18057 Rostock, Germany
| | - Barbara Nebe
- Department Science and Technology of Life, Light and Matter, University of Rostock, Albert-Einstein-Str. 25, 18059 Rostock, Germany
- Department of Cell Biology, Rostock University Medical Center, Schillingallee 69, 18057 Rostock, Germany
| | - Ingo Barke
- Department Science and Technology of Life, Light and Matter, University of Rostock, Albert-Einstein-Str. 25, 18059 Rostock, Germany
- Institute of Physics, University of Rostock, Albert-Einstein-Str. 23, 18059 Rostock, Germany
| | - Sylvia Speller
- Department Science and Technology of Life, Light and Matter, University of Rostock, Albert-Einstein-Str. 25, 18059 Rostock, Germany
- Institute of Physics, University of Rostock, Albert-Einstein-Str. 23, 18059 Rostock, Germany
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17
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Bellani C, Yue K, Flaig F, Hébraud A, Ray P, Annabi N, Selistre de Araújo HS, Branciforti MC, Minarelli Gaspar AM, Shin SR, Khademhosseini A, Schlatter G. Suturable elastomeric tubular grafts with patterned porosity for rapid vascularization of 3D constructs. Biofabrication 2021; 13. [PMID: 33482658 DOI: 10.1088/1758-5090/abdf1d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 01/22/2021] [Indexed: 12/11/2022]
Abstract
Vascularization is considered to be one of the key challenges in engineering functional 3D tissues. Engineering suturable vascular grafts containing pores with diameter of several tens of microns in tissue engineered constructs may provide an instantaneous blood perfusion through the grafts improving cell infiltration and thus, allowing rapid vascularization and vascular branching. The aim of this work was to develop suturable tubular scaffolds to be integrated in biofabricated constructs, enabling the direct connection of the biofabricated construct with the host blood stream, providing an immediate blood flow inside the construct. Here, tubular grafts with customizable shapes (tubes, Y-shape capillaries) and controlled diameter ranging from several hundreds of microns to few mm are fabricated based on poly(glycerol sebacate) (PGS) / poly(vinyl alcohol) (PVA) electrospun scaffolds. Furthermore, a network of pore channels of diameter in the order of 100 µm was machined by laser femtosecond ablation in the tube wall. Both non-machined and laser machined tubular scaffolds elongated more than 100% of their original size have shown suture retention, being 5.85 and 3.96 N/mm2 respectively. To demonstrate the potential of application, the laser machined porous grafts were embedded in gelatin methacryloyl (GelMA) hydrogels, resulting in elastomeric porous tubular graft/GelMA 3D constructs. These constructs were then co-seeded with osteoblast-like cells (MG-63) at the external side of the graft and endothelial cells (HUVEC) inside, forming a bone osteon model. The laser machined pore network allowed an immediate endothelial cell flow towards the osteoblasts enabling the osteoblasts and endothelial cells to interact and form 3D structures. This rapid vascularization approach could be applied, not only for bone tissue regeneration, but also for a variety of tissues and organs.
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Affiliation(s)
- Caroline Bellani
- University of Sao Paulo, AVENIDA TRABALHADOR SÃO-CARLENSE, 400, Sao Carlos, São Paulo, 13566-590, BRAZIL
| | - Kan Yue
- South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, 381 Wushan Rd, Guangzhou, Guangdong, 510641, CHINA
| | - Florence Flaig
- ICPEES, University of Strasbourg, 25 rue Bécquerel, Strasbourg, 67087, FRANCE
| | - Anne Hébraud
- ICPEES, 25 rue Bécquerel, Strasbourg, 67087, FRANCE
| | - Pengfei Ray
- Division of Health Sciences and Technology, MIT, 45 Carleton Street, Cambridge, Massachusetts, 02142, UNITED STATES
| | - Nasim Annabi
- Department of Chemical and Biomolecular Engineering, UCLA, 5531 Boelter Hall, Los Angeles, California, CA 90095, UNITED STATES
| | | | - Marcia Cristina Branciforti
- Depatament of Materials Engineering, University of Sao Paulo, AVENIDA TRABALHADOR SÃO-CARLENSE, 400, ARNOLD SCHMITED, SAO CARLOS, Sao Paulo, SAO PAULO, 13566-590, BRAZIL
| | - Ana Maria Minarelli Gaspar
- Department of Morphology, School of Dentistry at Araraquara, Sao Paulo State University Julio de Mesquita Filho, R. Humaitá, 1680, Araraquara, SP, 14801-385, BRAZIL
| | - Su Ryon Shin
- Medicine, Harvard Medical School, 25 Shattuck Street, Boston, Massachusetts, MA 02115, UNITED STATES
| | - Ali Khademhosseini
- Department of Chemical and Biomolecular Engineering, UCLA, 5531 Boelter Hall, Los Angeles, California, CA 90095, UNITED STATES
| | - Guy Schlatter
- ICPEES, University of Strasbourg, 25 rue Bécquerel, Strasbourg, 67087, FRANCE
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18
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Different Modulatory Effects of Four Methicillin-Resistant Staphylococcus aureus Clones on MG-63 Osteoblast-Like Cells. Biomolecules 2021; 11:biom11010072. [PMID: 33430251 PMCID: PMC7825699 DOI: 10.3390/biom11010072] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/30/2020] [Accepted: 12/29/2020] [Indexed: 01/18/2023] Open
Abstract
Staphylococcus aureus is a Gram-positive bacterium responsible for a variety of mild to life-threatening infections including bone infections such as osteomyelitis. This bacterium is able to invade and persist within non-professional phagocytic cells such as osteoblasts. In the present study, four different S. aureus strains, namely, 2SA-ST239-III (ST239), 5SA-ST5-II (ST5), 10SA-ST228-I (ST228), and 14SA-ST22-IVh (ST22), were tested for their ability to modulate cell viability in MG-63 osteoblast-like cells following successful invasion and persistence. Methicillin-sensitive S. aureus (MSSA) ATCC-12598-ST30 (ST30) was used as control strain. Despite being proven that ST30, ST239, and ST22 have a similar ability to internalize and persist in MG-63 osteoblast-like cells under our experimental conditions, we demonstrated that the observed decrease in cell viability was due to the different behavior of the considered strains, rather than the number of intracellular bacteria. We focused our attention on different biochemical cell functions related to inflammation, cell metabolism, and oxidative stress during osteoblast infections. We were able to show the following: (1) ST30 and ST239 were the only two clones able to persist and maintain their number in the hostile environment of the cell during the entire period of infection; (2) ST239 was the only clone able to significantly increase gene expression (3 and 24 h post-infection (p.i.)) and protein secretion (24 h p.i.) of both interleukin-6 (IL-6) and tumor necrosis factor alpha (TNF-α) in MG-63 osteoblast-like cells; (3) the same clone determined a significant up-regulation of the transforming growth factorbeta 1 (TGF-β1) and of the metabolic marker glyceraldehyde 3-phosphate dehydrogenase (GAPDH) mRNAs at 24 h p.i.; and (4) neither the MSSA nor the four methicillin-resistant S. aureus (MRSA) strains induced oxidative stress phenomena in MG-63 cells, although a high degree of variability was observed for the different clones with regard to the expression pattern of nuclear factor E2-related factor 2 (Nrf2) and its downstream gene heme oxygenase 1 (HO-1) activation. Our results may pave the way for an approach to S. aureus-induced damage, moving towards individualized therapeutic strategies that take into account the differences between MSSA and MRSA as well as the distinctive features of the different clones. This approach is based on a change of paradigm in antibiotic therapy involving a case-based use of molecules able to counteract pro-inflammatory cytokines activity such as selective cytokine signaling inhibitors (IL-6, TNF-α).
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19
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Gruening M, Neuber S, Nestler P, Lehnfeld J, Dubs M, Fricke K, Schnabelrauch M, Helm CA, Müller R, Staehlke S, Nebe JB. Enhancement of Intracellular Calcium Ion Mobilization by Moderately but Not Highly Positive Material Surface Charges. Front Bioeng Biotechnol 2020; 8:1016. [PMID: 33015006 PMCID: PMC7505933 DOI: 10.3389/fbioe.2020.01016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 08/03/2020] [Indexed: 12/17/2022] Open
Abstract
Electrostatic forces at the cell interface affect the nature of cell adhesion and function; but there is still limited knowledge about the impact of positive or negative surface charges on cell-material interactions in regenerative medicine. Titanium surfaces with a variety of zeta potentials between −90 mV and +50 mV were generated by functionalizing them with amino polymers, extracellular matrix proteins/peptide motifs and polyelectrolyte multilayers. A significant enhancement of intracellular calcium mobilization was achieved on surfaces with a moderately positive (+1 to +10 mV) compared with a negative zeta potential (−90 to −3 mV). Dramatic losses of cell activity (membrane integrity, viability, proliferation, calcium mobilization) were observed on surfaces with a highly positive zeta potential (+50 mV). This systematic study indicates that cells do not prefer positive charges in general, merely moderately positive ones. The cell behavior of MG-63s could be correlated with the materials’ zeta potential; but not with water contact angle or surface free energy. Our findings present new insights and provide an essential knowledge for future applications in dental and orthopedic surgery.
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Affiliation(s)
- Martina Gruening
- Department of Cell Biology, Rostock University Medical Center, Rostock, Germany
| | - Sven Neuber
- Soft Matter and Biophysics, Institute of Physics, University of Greifswald, Greifswald, Germany
| | - Peter Nestler
- Soft Matter and Biophysics, Institute of Physics, University of Greifswald, Greifswald, Germany
| | - Jutta Lehnfeld
- Colloid and Interface Chemistry, Institute of Physical and Theoretical Chemistry, University of Regensburg, Regensburg, Germany
| | - Manuela Dubs
- Department of Biomaterials, INNOVENT e.V., Jena, Germany
| | - Katja Fricke
- Leibniz Institute for Plasma Science and Technology e.V. (INP), Greifswald, Germany
| | | | - Christiane A Helm
- Soft Matter and Biophysics, Institute of Physics, University of Greifswald, Greifswald, Germany
| | - Rainer Müller
- Colloid and Interface Chemistry, Institute of Physical and Theoretical Chemistry, University of Regensburg, Regensburg, Germany
| | - Susanne Staehlke
- Department of Cell Biology, Rostock University Medical Center, Rostock, Germany
| | - J Barbara Nebe
- Department of Cell Biology, Rostock University Medical Center, Rostock, Germany.,Department Science and Technology of Life, Light and Matter, Faculty of Interdisciplinary, University of Rostock, Rostock, Germany
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20
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Osteogenic Potential of Fast Set Bioceramic Cements: Molecular and In Vitro Study. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10196713] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Recently, pre-mixed bioceramics in fast set formulations have been increasingly utilized in clinical practice as an alternative to mineral trioxide aggregate (MTA) for their shorter setting time and better handling properties. However, the impact on their osteogenic potential, due to modifications in chemical composition to promote a fast setting, is still unclear. This molecular and in vitro study compared the osteogenic potential of root repairing material putty fast set (FSP) with root-repairing material putty (RRMPU), root-repairing material paste (RRMPA), Biodentine™ and MTA. The null hypothesis tested was that there are no differences among the tricalcium silicate materials in terms of osteogenic potential. Standardized discs were cultured with MG-63 human osteoblastic-like cells to assess biocompatibility, the activity of alkaline phosphatase (ALP) and osteogenic potential. Biocompatibility was evaluated at baseline and after 24 and 48 h. Osteogenic differentiation was assessed after 15 days. Data were analyzed with one-way ANOVAs and Tukey’s post-hoc test (p < 0.05). All materials showed biocompatibility and bioactivity. ALP activity, which induces mineral nodule deposition, increased in all the cements tested, with a significant increase in RRMPU (p < 0.001) and FSP (p < 0.001) samples versus MTA. In vitro mineralization was significantly increased for RRMPU (p < 0.0001), FSP (p = 0.00012) and Biodentine™ (p < 0.0001) versus MTA. The bioceramics tested showed higher levels of biocompatibility and bioactivity than MTA; a higher capacity for mineralization was observed with RRMPU and FSP versus MTA.
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21
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Nasello G, Alamán-Díez P, Schiavi J, Pérez MÁ, McNamara L, García-Aznar JM. Primary Human Osteoblasts Cultured in a 3D Microenvironment Create a Unique Representative Model of Their Differentiation Into Osteocytes. Front Bioeng Biotechnol 2020; 8:336. [PMID: 32391343 PMCID: PMC7193048 DOI: 10.3389/fbioe.2020.00336] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 03/26/2020] [Indexed: 01/12/2023] Open
Abstract
Microengineered systems provide an in vitro strategy to explore the variability of individual patient response to tissue engineering products, since they prefer the use of primary cell sources representing the phenotype variability. Traditional in vitro systems already showed that primary human osteoblasts embedded in a 3D fibrous collagen matrix differentiate into osteocytes under specific conditions. Here, we hypothesized that translating this environment to the organ-on-a-chip scale creates a minimal functional unit to recapitulate osteoblast maturation toward osteocytes and matrix mineralization. Primary human osteoblasts were seeded in a type I collagen hydrogel, to establish the role of lower (2.5 × 105 cells/ml) and higher (1 × 106 cells/ml) cell density on their differentiation into osteocytes. A custom semi-automatic image analysis software was used to extract quantitative data on cellular morphology from brightfield images. The results are showing that cells cultured at a high density increase dendrite length over time, stop proliferating, exhibit dendritic morphology, upregulate alkaline phosphatase (ALP) activity, and express the osteocyte marker dental matrix protein 1 (DMP1). On the contrary, cells cultured at lower density proliferate over time, do not upregulate ALP and express the osteoblast marker bone sialoprotein 2 (BSP2) at all timepoints. Our work reveals that microengineered systems create unique conditions to capture the major aspects of osteoblast differentiation into osteocytes with a limited number of cells. We propose that the microengineered approach is a functional strategy to create a patient-specific bone tissue model and investigate the individual osteogenic potential of the patient bone cells.
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Affiliation(s)
- Gabriele Nasello
- Multiscale in Mechanical and Biological Engineering (M2BE), University of Zaragoza, Zaragoza, Spain.,Biomechanics Section, Department of Mechanical Engineering, KU Leuven, Leuven, Belgium
| | - Pilar Alamán-Díez
- Multiscale in Mechanical and Biological Engineering (M2BE), University of Zaragoza, Zaragoza, Spain
| | - Jessica Schiavi
- Mechanobiology and Medical Device Research Group (MMDRG), National University of Ireland Galway, Galway, Ireland
| | - María Ángeles Pérez
- Multiscale in Mechanical and Biological Engineering (M2BE), University of Zaragoza, Zaragoza, Spain
| | - Laoise McNamara
- Mechanobiology and Medical Device Research Group (MMDRG), National University of Ireland Galway, Galway, Ireland
| | - José Manuel García-Aznar
- Multiscale in Mechanical and Biological Engineering (M2BE), University of Zaragoza, Zaragoza, Spain
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22
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Wieczfinska J, Sitarek P, Skała E, Kowalczyk T, Pawliczak R. Inhibition of NADPH Oxidase-Derived Reactive Oxygen Species Decreases Expression of Inflammatory Cytokines in A549 Cells. Inflammation 2020; 42:2205-2214. [PMID: 31612365 PMCID: PMC6856491 DOI: 10.1007/s10753-019-01084-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Various experimental models strongly support the hypothesis that airway inflammation can be caused by oxidative stress. Inflammatory airway diseases like asthma and COPD are characterized by higher levels of ROS and inflammatory cytokines. One of the sources of ROS is NADPH oxidase. Therefore, the aim of the study was to investigate influence of NADPH oxidase inhibition on the expression of IL-6, IL-8, TNF, TSLP, CD59, and PPAR-γ in vitro. A549 cells were incubated with apocynin in three concentrations (0.5 mg/ml, 1 mg/ml, and 3 mg/ml). Cells were trypsinized and RNA isolated after 1 h, 2 h, and 4 h of apocynin incubation at each concentration. Afterwards, reverse transcription was performed to evaluate mRNA expression using real-time PCR. The time-response and dose-response study showed that apocynin significantly influenced the relative expression of chosen genes (IL-6, IL-8, TNF, PPAR-γ, TSLP, and CD59). Apocynin decreased the mRNA expression of TNF-α at all concentrations used, and of IL-6 at concentrations of 1 and 3 mg/ml (p < 0.05). TSLP mRNA expression was also reduced by apocynin after 1 h and 2 h, and CD59 mRNA after 1 h, but only at the highest concentration. The expression of PPAR-γ was reduced after apocynin in the highest concentrations only (p < 0.05). The results might suggest that proinflammatory agents’ expression levels are strongly connected to the presence of oxidative stress generated by NADPH oxidase and this might be at least partially eliminated by anti-oxidative action. Apocynin, as an effective inhibitor of NADPH oxidase, seems to be useful in potential anti-oxidative and anti-inflammatory therapy.
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Affiliation(s)
- Joanna Wieczfinska
- Department of Immunopathology, Medical University of Lodz, 7/9 Zeligowskiego, Bldg 2, Rm 122, 90-752, Lodz, Poland
| | - Przemyslaw Sitarek
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, Lodz, Poland
| | - Ewa Skała
- Department of Genetics and Plant Molecular Biology and Biotechnology, The University of Lodz, Lodz, Poland
| | - Tomasz Kowalczyk
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, Lodz, Poland
| | - Rafal Pawliczak
- Department of Immunopathology, Medical University of Lodz, 7/9 Zeligowskiego, Bldg 2, Rm 122, 90-752, Lodz, Poland.
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Baldwin F, Craig TJ, Shiel AI, Cox T, Lee K, Mansell JP. Polydopamine-Lysophosphatidate-Functionalised Titanium: A Novel Hybrid Surface Finish for Bone Regenerative Applications. Molecules 2020; 25:E1583. [PMID: 32235562 PMCID: PMC7180599 DOI: 10.3390/molecules25071583] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 03/25/2020] [Accepted: 03/25/2020] [Indexed: 12/29/2022] Open
Abstract
Aseptic loosening of total joint replacements (TJRs) continues to be the main cause of implant failures. The socioeconomic impact of surgical revisions is hugely significant; in the United Kingdom alone, it is estimated that £135m is spent annually on revision arthroplasties. Enhancing the longevity of titanium implants will help reduce the incidence and overall cost of failed devices. In realising the development of a superior titanium (Ti) technology, we took inspiration from the growing interest in reactive polydopamine thin films for biomaterial surface functionalisations. Adopting a "one-pot" approach, we exposed medical-grade titanium to a mildly alkaline solution of dopamine hydrochloride (DHC) supplemented with (3S)1-fluoro-3-hydroxy-4-(oleoyloxy)butyl-1-phosphonate (FHBP), a phosphatase-resistant analogue of lysophosphatidic acid (LPA). Importantly, LPA and selected LPA analogues like FHBP synergistically cooperate with calcitriol to promote human osteoblast formation and maturation. Herein, we provide evidence that simply immersing Ti in aqueous solutions of DHC-FHBP afforded a surface that was superior to FHBP-Ti at enhancing osteoblast maturation. The facile step we have taken to modify Ti and the biological performance of the final surface finish are appealing properties that may attract the attention of implant manufacturers in the future.
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Affiliation(s)
- Fiona Baldwin
- Department of Applied Sciences, University of the West of England, Bristol BS16 1QY, UK; (F.B.); (T.J.C.); (A.I.S.); (T.C.)
| | - Tim J. Craig
- Department of Applied Sciences, University of the West of England, Bristol BS16 1QY, UK; (F.B.); (T.J.C.); (A.I.S.); (T.C.)
| | - Anna I. Shiel
- Department of Applied Sciences, University of the West of England, Bristol BS16 1QY, UK; (F.B.); (T.J.C.); (A.I.S.); (T.C.)
| | - Timothy Cox
- Department of Applied Sciences, University of the West of England, Bristol BS16 1QY, UK; (F.B.); (T.J.C.); (A.I.S.); (T.C.)
| | - Kyueui Lee
- Department of Bioengineering, University of California, Berkeley, CA 94720, USA;
| | - Jason P. Mansell
- Department of Applied Sciences, University of the West of England, Bristol BS16 1QY, UK; (F.B.); (T.J.C.); (A.I.S.); (T.C.)
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Rapid construction of polyetheretherketone (PEEK) biological implants incorporated with brushite (CaHPO 4·2H 2O) and antibiotics for anti-infection and enhanced osseointegration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 111:110782. [PMID: 32279744 DOI: 10.1016/j.msec.2020.110782] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 02/09/2020] [Accepted: 02/25/2020] [Indexed: 12/18/2022]
Abstract
Polyetheretherketone (PEEK) is an ideal implant material for orthopedic and dental application due to its high biocompatibility and mechanical property. However, biological inertness of PEEK hinders the effective clinical applications in treating bone defect, especially in the situation accompanied by bacterial infection. In this study, a layer-by-layer (LBL) deposition method with controlled cycles was developed to rapidly construct brushite (CaHPO4·2H2O) (CaP) layers containing gentamicin sulfate (GS) on PEEK to obtain CaP-and-GS modified PEEK, named as PEEK/CaP-GS. Different PEEK/CaP-GS, like PEEK/CaP-GS*3, PEEK/CaP-GS*6 and PEEK/CaP-GS*9 were conveniently prepared by repeating the LBL cycles to 3, 6 and 9 times, respectively. The morphology, structure and surface property of the fabricated PEEK/CaP-GS were carefully characterized. In vitro antibacterial experiments illustrated that all of the PEEK/CaP-GS samples had excellent and sustained antibacterial property. Cell proliferation experiments revealed the acceptable biocompatibility and cell osteogenic differentiation of PEEK/CaP-GS, especially in PEEK/CaP-GS*6. X-ray, μ-CT, and histological analysis showed that PEEK/CaP-GS exhibited in vivo antibacterial activity and osseointegration ability in the treatment of bone defect with infection. In both the in vitro and the in vivo experiments, PEEK/CaP-GS*6 prepared from the 6 LBL cycles exhibited the best antibacterial and osseointegration ability for bone healing. This work opens new avenue of the facile and effective modification of PEEK with special biological functions for clinical application, especially for the implants requiring excellent antibacterial and osseointegration ability.
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25
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Owen R, Bahmaee H, Claeyssens F, Reilly GC. Comparison of the Anabolic Effects of Reported Osteogenic Compounds on Human Mesenchymal Progenitor-derived Osteoblasts. Bioengineering (Basel) 2020; 7:E12. [PMID: 31972962 PMCID: PMC7148480 DOI: 10.3390/bioengineering7010012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/13/2020] [Accepted: 01/15/2020] [Indexed: 01/10/2023] Open
Abstract
There is variability in the reported effects of compounds on osteoblasts arising from differences in experimental design and choice of cell type/origin. This makes it difficult to discern a compound's action outside its original study and compare efficacy between compounds. Here, we investigated five compounds frequently reported as anabolic for osteoblasts (17β-estradiol (oestrogen), icariin, lactoferrin, lithium chloride, and menaquinone-4 (MK-4)) on human mesenchymal progenitors to assess their potential for bone tissue engineering with the aim of identifying a potential alternative to expensive recombinant growth factors such as bone morphogenetic protein 2 (BMP-2). Experiments were performed using the same culture conditions to allow direct comparison. The concentrations of compounds spanned two orders of magnitude to encompass the reported efficacious range and were applied continuously for 22 days. The effects on the proliferation (resazurin reduction and DNA quantification), osteogenic differentiation (alkaline phosphatase (ALP) activity), and mineralised matrix deposition (calcium and collagen quantification) were assessed. Of these compounds, only 10 µM MK-4 stimulated a significant anabolic response with 50% greater calcium deposition. Oestrogen and icariin had no significant effects, with the exception of 1 µM icariin, which increased the metabolic activity on days 8 and 22. 1000 µg/mL of lactoferrin and 10 mM lithium chloride both significantly reduced the mineralised matrix deposition in comparison to the vehicle control, despite the ALP activity being higher in lithium chloride-treated cells at day 15. This demonstrates that MK-4 is the most powerful stimulant of bone formation in hES-MPs of the compounds investigated, highlighting its potential in bone tissue engineering as a method of promoting bone formation, as well as its prospective use as an osteoporosis treatment.
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Affiliation(s)
- Robert Owen
- Department of Materials Science and Engineering, INSIGNEO Institute for In Silico Medicine, The Pam Liversidge Building, Sir Frederick Mappin Building, Mappin Street, Sheffield S1 3JD, UK; (H.B.); (F.C.); (G.C.R.)
- Department of Materials Science and Engineering, University of Sheffield, Kroto Research Institute, Sheffield S3 7HQ, UK
| | - Hossein Bahmaee
- Department of Materials Science and Engineering, INSIGNEO Institute for In Silico Medicine, The Pam Liversidge Building, Sir Frederick Mappin Building, Mappin Street, Sheffield S1 3JD, UK; (H.B.); (F.C.); (G.C.R.)
- Department of Materials Science and Engineering, University of Sheffield, Kroto Research Institute, Sheffield S3 7HQ, UK
| | - Frederik Claeyssens
- Department of Materials Science and Engineering, INSIGNEO Institute for In Silico Medicine, The Pam Liversidge Building, Sir Frederick Mappin Building, Mappin Street, Sheffield S1 3JD, UK; (H.B.); (F.C.); (G.C.R.)
- Department of Materials Science and Engineering, University of Sheffield, Kroto Research Institute, Sheffield S3 7HQ, UK
| | - Gwendolen C. Reilly
- Department of Materials Science and Engineering, INSIGNEO Institute for In Silico Medicine, The Pam Liversidge Building, Sir Frederick Mappin Building, Mappin Street, Sheffield S1 3JD, UK; (H.B.); (F.C.); (G.C.R.)
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Chitosan-hybrid poss nanocomposites for bone regeneration: The effect of poss nanocage on surface, morphology, structure and in vitro bioactivity. Int J Biol Macromol 2020; 142:643-657. [DOI: 10.1016/j.ijbiomac.2019.10.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 09/18/2019] [Accepted: 10/01/2019] [Indexed: 12/11/2022]
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Wilkesmann S, Fellenberg J, Nawaz Q, Reible B, Moghaddam A, Boccaccini AR, Westhauser F. Primary osteoblasts, osteoblast precursor cells or osteoblast‐like cell lines: Which human cell types are (most) suitable for characterizing 45S5‐bioactive glass? J Biomed Mater Res A 2019; 108:663-674. [DOI: 10.1002/jbm.a.36846] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 11/12/2019] [Accepted: 11/15/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Sebastian Wilkesmann
- Center of Orthopedics, Traumatology, and Spinal Cord Injury Heidelberg University Hospital Heidelberg Germany
| | - Jörg Fellenberg
- Center of Orthopedics, Traumatology, and Spinal Cord Injury Heidelberg University Hospital Heidelberg Germany
| | - Qaisar Nawaz
- Institute of Biomaterials University of Erlangen‐Nuremberg Erlangen Germany
| | - Bruno Reible
- Center of Orthopedics, Traumatology, and Spinal Cord Injury Heidelberg University Hospital Heidelberg Germany
| | - Arash Moghaddam
- ATORG—Aschaffenburg Trauma and Orthopedic Research Group, Center for Trauma Surgery, Orthopedics, and Sports Medicine Klinikum Aschaffenburg‐Alzenau Aschaffenburg Germany
| | - Aldo R. Boccaccini
- Institute of Biomaterials University of Erlangen‐Nuremberg Erlangen Germany
| | - Fabian Westhauser
- Center of Orthopedics, Traumatology, and Spinal Cord Injury Heidelberg University Hospital Heidelberg Germany
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28
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Le Guéhennec L, Van Hede D, Plougonven E, Nolens G, Verlée B, De Pauw MC, Lambert F. In vitro and in vivo biocompatibility of calcium-phosphate scaffolds three-dimensional printed by stereolithography for bone regeneration. J Biomed Mater Res A 2019; 108:412-425. [PMID: 31654476 DOI: 10.1002/jbm.a.36823] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 10/08/2019] [Accepted: 10/11/2019] [Indexed: 12/11/2022]
Abstract
Stereolithography (SLA) is an interesting manufacturing technology to overcome limitations of commercially available particulated biomaterials dedicated to intra-oral bone regeneration applications. The purpose of this study was to evaluate the in vitro and in vivo biocompatibility and osteoinductive properties of two calcium-phosphate (CaP)-based scaffolds manufactured by SLA three-dimensional (3D) printing. Pellets and macro-porous scaffolds were manufactured in pure hydroxyapatite (HA) and in biphasic CaP (HA:60-TCP:40). Physico-chemical characterization was performed using micro X-ray fluorescence, scanning electron microscopy (SEM), optical interferometry, and microtomography (μCT) analyses. Osteoblast-like MG-63 cells were used to evaluate the biocompatibility of the pellets in vitro with MTS assay and the cell morphology and growth characterized by SEM and DAPI-actin staining showed similar early behavior. For in vivo biocompatibility, newly formed bone and biodegradability of the experimental scaffolds were evaluated in a subperiosteal cranial rat model using μCT and descriptive histology. The histological analysis has not indicated evidences of inflammation but highlighted close contacts between newly formed bone and the experimental biomaterials revealing an excellent scaffold osseointegration. This study emphasizes the relevance of SLA 3D printing of CaP-based biomaterials for intra-oral bone regeneration even if manufacturing accuracy has to be improved and further experiments using biomimetic scaffolds should be conducted.
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Affiliation(s)
- Laurent Le Guéhennec
- Department of Prosthetic Dentistry, Faculty of Dentistry, Nantes, France.,Department of Preclinical Biomedical Sciences, Mammalian Cell Culture Laboratory, GIGA-R, Faculty of Medicine, Liège, Belgium
| | - Dorien Van Hede
- Department of Periodontology and Oral Surgery, Faculty of Medicine, Liège, Belgium
| | - Erwan Plougonven
- Department of Chemical Engineering, Faculty of Applied Sciences, Liège, Belgium
| | - Grégory Nolens
- Department of Biomedical Sciences, Faculty of Medicine, Namur, Belgium
| | - Bruno Verlée
- Sirris, Additive Manufacturing Department, Seraing, Belgium
| | - Marie-Claire De Pauw
- Department of Preclinical Biomedical Sciences, Mammalian Cell Culture Laboratory, GIGA-R, Faculty of Medicine, Liège, Belgium
| | - France Lambert
- Department of Periodontology and Oral Surgery, Faculty of Medicine, Liège, Belgium
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29
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Nokhbehsaim M, Nogueira AVB, Memmert S, Damanaki A, Eick S, Cirelli JA, Deschner J. Regulation of ghrelin receptor by microbial and inflammatory signals in human osteoblasts. Braz Oral Res 2019; 33:e025. [PMID: 31038565 DOI: 10.1590/1807-3107bor-2019.vol33.0025] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 02/26/2019] [Indexed: 01/09/2023] Open
Abstract
Recently, it has been suggested that the anti-inflammatory hormone ghrelin (GHRL) and its receptor GHS-R may play a pivotal role in periodontal health and diseases. However, their exact regulation and effects in periodontitis are not known. The aim of this in-vitro study was to investigate the effect of microbial and inflammatory insults on the GHS-R1a expression in human osteoblast-like cells. MG-63 cells were exposed to interleukin (IL)-1β and Fusobacterium nucleatum in the presence and absence of GHRL for up to 2 d. Subsequently, gene expressions of GHS-R1a, inflammatory mediators and matrix metalloproteinase were analyzed by real-time PCR. GHS-R protein synthesis and NF-κB p65 nuclear translocation were assessed by immunocytochemistry and immunofluorescence microscopy, respectively. IL-1β and F. nucleatum caused a significant upregulation of GHS-R1a expression and an increase in GHS-R1a protein. Pre-incubation with a MEK1/2 inhibitor diminished the IL-1β-induced GHS-R1a upregulation. IL-1β and F. nucleatum also enhanced the expressions of cyclooxygenase 2, CC-chemokine ligand 2, IL-6, IL-8, and matrix metalloproteinase 1, but these stimulatory effects were counteracted by GHRL. By contrast, the stimulatory actions of IL-1β and F. nucleatum on the GHS-R1a expression were further enhanced by GHRL. Our study provides original evidence that IL-1β and F. nucleatum regulate the GHS-R/GHRL system in osteoblast-like cells. Furthermore, we demonstrate for the first time that the proinflammatory and proteolytic actions of IL-1β and F. nucleatum on osteoblast-like cells are inhibited by GHRL. Our study suggests that microbial and inflammatory insults upregulate GHS-R1a, which may represent a protective negative feedback mechanism in human bone.
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Affiliation(s)
- Marjan Nokhbehsaim
- University of Bonn, Center of Dento-Maxillo-Facial Medicine, Section of Experimental Dento-Maxillo-Facial Medicine, Bonn, Germany
| | - Andressa Vilas Boas Nogueira
- University Medical Center, Johannes Gutenberg University, Department of Periodontology and Operative Dentistry, Mainz, Germany
| | - Svenja Memmert
- University of Bonn, Center of Dento-Maxillo-Facial Medicine, Department of Orthodontics, Bonn, Germany
| | - Anna Damanaki
- University Medical Center, Johannes Gutenberg University, Department of Periodontology and Operative Dentistry, Mainz, Germany
| | - Sigrun Eick
- University of Bern, Department of Periodontology, Laboratory of Oral Microbiology, Bern, Switzerland
| | - Joni Augusto Cirelli
- Universidade Estadual Paulista - UNESP, School of Dentistry of Araraquara, Department of Diagnosis and Surgery, Araraquara, São Paulo, Brazil
| | - James Deschner
- University Medical Center, Johannes Gutenberg University, Department of Periodontology and Operative Dentistry, Mainz, Germany
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30
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De Silva Thompson D, Peticone C, Burova I, Shipley RJ, Knowles JC, Kim HW, Micheletti M, Wall IB. Assessing behaviour of osteoblastic cells in dynamic culture conditions using titanium-doped phosphate glass microcarriers. J Tissue Eng 2019; 10:2041731419825772. [PMID: 30800261 PMCID: PMC6378638 DOI: 10.1177/2041731419825772] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 12/17/2018] [Indexed: 11/16/2022] Open
Abstract
Tissue engineering is a promising approach for bone regeneration; yet challenges remain that limit successful translation to patients. It is necessary to understand how real-world manufacturing processes will affect the constituent cells and biomaterials that are needed to create engineered bone. Bioactive phosphate glasses processed into microspheres are an attractive platform for expanding bone-forming cells and also for driving their osteogenic differentiation and maturation. The aim of this study was to assess whether Ti-doped phosphate glass microspheres could support osteoblastic cell responses in dynamic cell culture environments. Dynamic culture conditions were achieved using microwell studies under orbital agitation. Dimensionless parameters such as the Froude number were used to inform the choice of agitation speeds, and the impact on cell proliferation and microunit formation was quantified. We found that phosphate glass microspheres doped with titanium dioxide at both 5 and 7 mol% provided a suitable biomaterial platform for effective culture of MG63 osteoblastic cells and was not cytotoxic. Dynamic culture conditions supported expansion of MG63 cells and both 150 and 300 rpm orbital shake resulted in higher cell yield than static cultures at the end of the culture (day 13). The Froude number analysis provided insight into how the microunit size could be manipulated to enable an appropriate agitation speed to be used, while ensuring buoyancy of the microunits. These small-scale experiments and analyses provide understanding of the impact of fluid flow on cell expansion that will have increasing importance when scaling up to process technologies that can deliver clinical quantities of cell-microsphere units. Such knowledge will enable future engineering of living bone-like material using processing systems such as bioreactors that use mixing and agitation for nutrient transfer, therefore introducing cells to dynamic culture conditions.
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Affiliation(s)
| | - Carlotta Peticone
- Department of Biochemical Engineering, University College London, London, UK
| | - Iva Burova
- Department of Mechanical Engineering, University College London, London, UK
| | - Rebecca J Shipley
- Department of Mechanical Engineering, University College London, London, UK
| | - Jonathan C Knowles
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, University College London, London, UK.,The Discoveries Centre for Regenerative and Precision Medicine, University College London, London, UK.,Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea.,UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, Republic of Korea
| | - Hae-Won Kim
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea.,UCL Eastman-Korea Dental Medicine Innovation Centre, Dankook University, Cheonan, Republic of Korea.,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea
| | - Martina Micheletti
- Department of Biochemical Engineering, University College London, London, UK
| | - Ivan B Wall
- Department of Biochemical Engineering, University College London, London, UK.,Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea.,Aston Medical Research Institute and School of Life & Health Sciences, Aston University, Birmingham, UK
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31
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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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32
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Pulsed Laser Deposited Biocompatible Lithium-Doped Hydroxyapatite Coatings with Antimicrobial Activity. COATINGS 2019. [DOI: 10.3390/coatings9010054] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Simple and lithium-doped biological-origin hydroxyapatite layers were synthesized by Pulsed Laser Deposition technique on medical grade Ti substrates. Cytotoxic effects of lithium addition and the biocompatibility of obtained coatings were assessed using three cell lines of human origin (new initiated dermal fibroblasts, immortalized keratinocytes HaCaT, and MG-63 osteosarcoma). Antimicrobial properties of obtained coatings were assessed on two strains (i.e., Staphylococcus aureus and Candida albicans), belonging to species representative for the etiology of medical devices biofilm-associated infections. Our findings suggest that synthesized lithium-doped coatings exhibited low cytotoxicity on human osteosarcoma and skin cells and therefore, an excellent biocompatibility, correlated with a long-lasting anti-staphylococcal and -fungal biofilm activity. Along with low fabrication costs generated by sustainable resources, these biological-derived materials demonstrate their promising potential for future prospective solutions—viable alternatives to commercially available biomimetic HA implants—for the fabrication of a new generation of implant coatings.
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33
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D’Acunto M, Trombi L, D’Alessandro D, Danti S. Raman spectroscopy of osteosarcoma cells. Phys Biol 2018; 16:016007. [DOI: 10.1088/1478-3975/aaefbf] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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34
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Tamburaci S, Tihminlioglu F. Biosilica incorporated 3D porous scaffolds for bone tissue engineering applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 91:274-291. [DOI: 10.1016/j.msec.2018.05.040] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 05/02/2018] [Accepted: 05/10/2018] [Indexed: 01/06/2023]
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35
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Expression of Livin and PlGF in human osteosarcoma is associated with tumor progression and clinical outcome. Oncol Lett 2018; 16:4953-4960. [PMID: 30214613 PMCID: PMC6126183 DOI: 10.3892/ol.2018.9239] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 08/10/2017] [Indexed: 12/21/2022] Open
Abstract
Baculoviral IAP repeat containing 7 (BIRC7/Livin/ML-IAP/KIAP; referred to as Livin throughout the present study) and placental growth factor (PlGF) are not detectable in the majority of normal differentiated tissues, but are present in a number of types of cancer, including hepatocellular carcinoma, ovarian cancer and renal cell carcinoma. The aim of the present study was to assess the expression levels of Livin and PlGF in human osteosarcoma specimens and cell lines, and to analyze the functions of Livin and PIGF in the prognosis of osteosarcoma. The expression levels of Livin and PlGF in 48 osteosarcoma specimens and three osteosarcoma cells were determined using immunohistochemistry and reverse transcription-quantitative polymerase chain reaction. The positivity rates of Livin and PlGF in osteosarcoma specimens were 58.3 and 60.4%, respectively, but were 0% in normal bone tissues. The expression levels of Livin and PlGF were increased in MG-63 cells, compared with those in the other cell lines evaluated in the present study. In addition, the expression levels of Livin and PlGF were significantly associated with tumor diameter and Enneking staging, but were independent of tumor site, age and sex of patients. The expression level of Livin was not associated with PlGF. Furthermore, the 5-year overall survival rate was decreased in the Livin or PlGF expression group, compared with that in the non-expression group (P=0.034 and P=0.012, respectively). The expression levels of Livin and PlGF were independent prognostic factors for patients with osteosarcoma. The results of the present study demonstrated that Livin and PlGF may participate in the pathogenesis of osteosarcoma. Therefore, pharmacological inhibition of Livin or PlGF may provide a novel strategy for osteosarcoma treatment.
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Gaur D, Yogalakshmi Y, Kulanthaivel S, Agarwal T, Mukherjee D, Prince A, Tiwari A, Maiti TK, Pal K, Giri S, Saleem M, Banerjee I. Osteoblast-Derived Giant Plasma Membrane Vesicles Induce Osteogenic Differentiation of Human Mesenchymal Stem Cells. ACTA ACUST UNITED AC 2018. [DOI: 10.1002/adbi.201800093] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Deepanjali Gaur
- Department of Biotechnology and Medical Engineering; National Institute of Technology Rourkela; Odisha 769008 India
| | - Yamini Yogalakshmi
- Department of Biotechnology and Medical Engineering; National Institute of Technology Rourkela; Odisha 769008 India
| | - Senthilguru Kulanthaivel
- Department of Biotechnology and Medical Engineering; National Institute of Technology Rourkela; Odisha 769008 India
| | - Tarun Agarwal
- Department of Biotechnology; Indian Institute of Technology Kharagpur; West Bengal 721302 India
| | - Devdeep Mukherjee
- Department of Biotechnology; Indian Institute of Technology Kharagpur; West Bengal 721302 India
| | - Ashutosh Prince
- Department of Life Science; National Institute of Technology Rourkela; Odisha 769008 India
| | - Anuj Tiwari
- Department of Life Science; National Institute of Technology Rourkela; Odisha 769008 India
| | - Tapas K. Maiti
- Department of Biotechnology; Indian Institute of Technology Kharagpur; West Bengal 721302 India
| | - Kunal Pal
- Department of Biotechnology and Medical Engineering; National Institute of Technology Rourkela; Odisha 769008 India
| | - Supratim Giri
- Department of Chemistry; National Institute of Technology Rourkela; Odisha 769008 India
| | - Mohammed Saleem
- Department of Life Science; National Institute of Technology Rourkela; Odisha 769008 India
| | - Indranil Banerjee
- Department of Biotechnology and Medical Engineering; National Institute of Technology Rourkela; Odisha 769008 India
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Kaur P, Singh KJ, Yadav AK, Sood H, Kaur R, Arora DS. In vitro
investigation of the growth of hydroxyapatite and proliferation of human cell lines on the sol gel derived diopside co-substituted tricalcium phosphate bioceramics. Biomed Phys Eng Express 2018. [DOI: 10.1088/2057-1976/aabc63] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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38
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Erdal NB, Hakkarainen M. Construction of Bioactive and Reinforced Bioresorbable Nanocomposites by Reduced Nano-Graphene Oxide Carbon Dots. Biomacromolecules 2018; 19:1074-1081. [DOI: 10.1021/acs.biomac.8b00207] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Nejla B. Erdal
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
| | - Minna Hakkarainen
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
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Courtenay JC, Deneke C, Lanzoni EM, Costa CA, Bae Y, Scott JL, Sharma RI. Modulating cell response on cellulose surfaces; tunable attachment and scaffold mechanics. CELLULOSE (LONDON, ENGLAND) 2017; 25:925-940. [PMID: 31983816 PMCID: PMC6954015 DOI: 10.1007/s10570-017-1612-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 12/11/2017] [Indexed: 06/08/2023]
Abstract
Combining surface chemical modification of cellulose to introduce positively charged trimethylammonium groups by reaction with glycidyltrimethylammonium chloride (GTMAC) allowed for direct attachment of mammalian MG-63 cells, without addition of protein modifiers, or ligands. Very small increases in the surface charge resulted in significant increases in cell attachment: at a degree of substitution (DS) of only 1.4%, MG-63 cell attachment was > 90% compared to tissue culture plastic, whereas minimal attachment occurred on unmodified cellulose. Cell attachment plateaued above DS of ca. 1.85% reflecting a similar trend in surface charge, as determined from ζ-potential measurements and capacitance coupling (electric force microscopy). Cellulose film stiffness was modulated by cross linking with glyoxal (0.3-2.6% degree of crosslinking) to produce a range of materials with surface shear moduli from 76 to 448 kPa (measured using atomic force microscopy). Cell morphology on these materials could be regulated by tuning the stiffness of the scaffolds. Thus, we report tailored functionalised biomaterials based on cationic cellulose that can be tuned through surface reaction and glyoxal crosslinkin+g, to influence the attachment and morphology of cells. These scaffolds are the first steps towards materials designed to support cells and to regulate cell morphology on implanted biomaterials using only scaffold and cells, i.e. without added adhesion promoters.
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Affiliation(s)
- James C. Courtenay
- Centre for Sustainable Chemical Technologies, University of Bath, Bath, BA2 7AY UK
- Department of Chemistry, University of Bath, Bath, BA2 7AY UK
| | - Christoph Deneke
- National Nanotechnology Laboratory, Centre for National Research in Energy and Materials, Campinas, São Paulo Brazil
| | - Evandro M. Lanzoni
- National Nanotechnology Laboratory, Centre for National Research in Energy and Materials, Campinas, São Paulo Brazil
| | - Carlos A. Costa
- National Nanotechnology Laboratory, Centre for National Research in Energy and Materials, Campinas, São Paulo Brazil
| | - Yongho Bae
- Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, The State University of New York, Buffalo, NY 14214 USA
| | - Janet L. Scott
- Centre for Sustainable Chemical Technologies, University of Bath, Bath, BA2 7AY UK
- Department of Chemistry, University of Bath, Bath, BA2 7AY UK
| | - Ram I. Sharma
- Centre for Sustainable Chemical Technologies, University of Bath, Bath, BA2 7AY UK
- Department of Chemical Engineering, University of Bath, Bath, BA2 7AY UK
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40
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Magan‐Fernandez A, Fernández‐Barbero JE, O’ Valle F, Ortiz R, Galindo‐Moreno P, Mesa F. Simvastatin exerts antiproliferative and differentiating effects on MG63 osteoblast‐like cells: Morphological and immunocytochemical study. J Periodontal Res 2017; 53:91-97. [DOI: 10.1111/jre.12491] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2017] [Indexed: 11/29/2022]
Affiliation(s)
- A. Magan‐Fernandez
- Department of Periodontics School of Dentistry University of Granada Granada Spain
| | - J. E. Fernández‐Barbero
- Department of Human Anatomy and Embryology School of Medicine (IBIMER, CIBM) University of Granada Granada Spain
| | - F. O’ Valle
- Department of Pathology School of Medicine (IBIMER, CIBM) University of Granada Granada Spain
| | - R. Ortiz
- Department of Human Anatomy and Embryology School of Health Sciences (IBIMER, CIBM) University of Jaen Andalucía Spain
| | - P. Galindo‐Moreno
- Department of Oral Surgery and Implant Dentistry School of Dentistry University of Granada Andalucía Spain
| | - F. Mesa
- Department of Periodontics School of Dentistry University of Granada Granada Spain
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41
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Cozza N, Monte F, Bonani W, Aswath P, Motta A, Migliaresi C. Bioactivity and mineralization of natural hydroxyapatite from cuttlefish bone and Bioglass ® co-sintered bioceramics. J Tissue Eng Regen Med 2017; 12:e1131-e1142. [PMID: 28500666 DOI: 10.1002/term.2448] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 03/07/2017] [Accepted: 05/04/2017] [Indexed: 01/19/2023]
Abstract
In this study, bioactive hydroxyapatite (HAP)-based bioceramics starting from cuttlefish bone powders have been prepared and characterized. In particular, fragmented cuttlefish bone was co-sintered with 30 wt% of Bioglass® -45S5 to synthesize HAP-based powders with enhanced mechanical properties and bioactivity. Commercial synthetic HAP was treated following the same procedure and used as a reference. The structure and composition of the bioceramics formulations were characterized using Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscopy. After the thermal treatment of cuttlefish bone powder added with 30 wt% Bioglass, new phases with compositions of sodium calcium phosphate [Na3 Ca6 (PO4 )5 ], β-tricalcium phosphate [Ca3 (PO4 )] and amorphous silica were detected. In vitro cell culture studies were performed by evaluating proliferation, metabolic activity and differentiation of human osteoblast-like cells (MG63). Scaffolds made with cuttlefish bone powder exhibited increased apatite deposition, alkaline phosphatase activity and cell proliferation compared with commercial synthetic HAP. In addition, the ceramic compositions obtained after the combination with Bioglass® further enhanced the metabolic activity of MG63 cell and promoted the formation of a well-developed apatite layer after 7 days of incubation in Dulbecco's modified Eagle's medium.
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Affiliation(s)
- Natascia Cozza
- BIOtech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Department of Industrial Engineering, University of Trento, Trento, Italy
| | - Felipe Monte
- Materials Science and Engineering Department, University of Texas at Arlington, Texas, USA
| | - Walter Bonani
- BIOtech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Department of Industrial Engineering, University of Trento, Trento, Italy.,INSTM - Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, Florence, Italy
| | - Pranesh Aswath
- Materials Science and Engineering Department, University of Texas at Arlington, Texas, USA
| | - Antonella Motta
- BIOtech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Department of Industrial Engineering, University of Trento, Trento, Italy.,INSTM - Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, Florence, Italy
| | - Claudio Migliaresi
- BIOtech Research Center and European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Department of Industrial Engineering, University of Trento, Trento, Italy.,INSTM - Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali, Florence, Italy
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42
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Venugopal E, Ramadoss G, Krishnan K, Eranezhath SS, Bhattacharyya A, Rajendran S. Stimulation of human osteoblast cells (MG63) proliferation using decanoic acid and isopropyl amine fractions of Wattakaka volubilis leaves. J Pharm Pharmacol 2017; 69:1578-1591. [DOI: 10.1111/jphp.12801] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Accepted: 07/17/2017] [Indexed: 11/30/2022]
Abstract
Abstract
Objectives
This study was carried out to investigate the impact of various isolated phytochemical components present in the Wattakaka volubilis leaves for the growth and proliferation of human osteoblast like cells (MG63).
Key findings
Ethyl acetate was found to be the best solvent for potential extraction of phytocompounds. Further, the MTT assay was carried out to deduce the viability of 44 isolated phytochemicals. Ten phytochemical fractions found to increase the cell growth were subjected to statistical tool namely Plackett–Burman and Central composite design to screen the optimum phytochemical fraction and its dosage. The active phytochemical constituents were analysed and identified as hexadeconoic acid, octadeconoic acid, N,N-diisopropyl(2,2,3,3,3-pentafluoropropyl)amine using GC-MS and HPLC techniques. The impact of optimized concentration was assessed on osteoblast cells. The maximum % cell viability, % DNA and collagen content were found to be 164.44, 159.32 and 3.81, respectively.
Conclusions
The results confirmed that the optimized fraction containing decanoic acid and isopropyl amine at particular concentration stimulated the proliferation of human osteoblast (MG63) cells. Hence, the optimized concentration of this compound from W. volubilis may used for treatment of bone related injuries externally.
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Affiliation(s)
- Elakkiya Venugopal
- Tissue Engineering Laboratory, PSG Institute of Advanced Studies, Coimbatore, Tamil Nadu, India
| | - Govindarajan Ramadoss
- Nanobiotechnology Laboratory, PSG Institute of Advanced Studies, Coimbatore, Tamil Nadu, India
| | - Kannan Krishnan
- Global Centre for Environmental Remediation (GCER), The University of Newcastle, Callaghan, NSW, Australia
| | - Sujith Subash Eranezhath
- Basic and Translational Research Department, AVP Research Foundation, Coimbatore, Tamil Nadu, India
| | - Amitava Bhattacharyya
- Nanoscience and Technology Laboratory, Department of Electronics and Communication Engineering, PSG College of Technology, Coimbatore, Tamil Nadu, India
| | - Selvakumar Rajendran
- Tissue Engineering Laboratory, PSG Institute of Advanced Studies, Coimbatore, Tamil Nadu, India
- Nanobiotechnology Laboratory, PSG Institute of Advanced Studies, Coimbatore, Tamil Nadu, India
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Peticone C, De Silva Thompson D, Owens GJ, Kim HW, Micheletti M, Knowles JC, Wall I. Towards modular bone tissue engineering using Ti–Co-doped phosphate glass microspheres: cytocompatibility and dynamic culture studies. J Biomater Appl 2017; 32:295-310. [DOI: 10.1177/0885328217720812] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The production of large quantities of functional vascularized bone tissue ex vivo still represent an unmet clinical challenge. Microcarriers offer a potential solution to scalable manufacture of bone tissue due to their high surface area-to-volume ratio and the capacity to be assembled using a modular approach. Microcarriers made of phosphate bioactive glass doped with titanium dioxide have been previously shown to enhance proliferation of osteoblast progenitors and maturation towards functional osteoblasts. Furthemore, doping with cobalt appears to mimic hypoxic conditions that have a key role in promoting angiogenesis. This characteristic could be exploited to meet the clinical requirement of producing vascularized units of bone tissue. In the current study, the human osteosarcoma cell line MG-63 was cultured on phosphate glass microspheres doped with 5% mol titanium dioxide and different concentrations of cobalt oxide (0%, 2% and 5% mol), under static and dynamic conditions (150 and 300 rpm on an orbital shaker). Cell proliferation and the formation of aggregates of cells and microspheres were observed over a period of two weeks in all glass compositions, thus confirming the biocompatibility of the substrate and the suitability of this system for the formation of compact micro-units of tissue. At the concentrations tested, cobalt was not found to be cytotoxic and did not alter cell metabolism. On the other hand, the dynamic environment played a key role, with moderate agitation having a positive effect on cell proliferation while higher agitation resulting in impaired cell growth. Finally, in static culture assays, the capacity of cobalt doping to induce vascular endothelial growth factor (VEGF) upregulation by osteoblastic cells was observed, but was not found to increase linearly with cobalt oxide content. In conclusion, Ti–Co phosphate glasses were found to support osteoblastic cell growth and aggregate formation that is a necessary precursor to tissue formation and the upregaulation of VEGF production can potentially support vascularization.
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Affiliation(s)
- Carlotta Peticone
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London, UK
| | - David De Silva Thompson
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London, UK
| | - Gareth J Owens
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
| | - Hae-Won Kim
- Department of Nanobiomedical Science & Institute for Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
| | - Martina Micheletti
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London, UK
| | - Jonathan C Knowles
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
- Department of Nanobiomedical Science & Institute for Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
- Discoveries Centre for Regenerative and Precision Medicine, UCL Campus, Gower Street, London, UK
| | - Ivan Wall
- Department of Biochemical Engineering, Bernard Katz Building, University College London, Gower Street, London, UK
- Department of Nanobiomedical Science & Institute for Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea
- Discoveries Centre for Regenerative and Precision Medicine, UCL Campus, Gower Street, London, UK
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44
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Alkaline phosphatase binds tenaciously to titanium; implications for biological surface evaluation following bone implant retrieval. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 76:472-476. [DOI: 10.1016/j.msec.2017.03.119] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 01/19/2017] [Accepted: 03/15/2017] [Indexed: 11/22/2022]
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45
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Sangeetha K, Girija EK. Tailor made alginate hydrogel for local infection prophylaxis in orthopedic applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 78:1046-1053. [PMID: 28575938 DOI: 10.1016/j.msec.2017.04.154] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 01/02/2017] [Accepted: 04/27/2017] [Indexed: 11/25/2022]
Abstract
Preventing implants associated infections is crucial in orthopedics. Local delivery of antibiotics through implants is a promising strategy to solve this issue. In this study, alginate is tailored to control its swelling, entrapment and release of ciprofloxacin (antibiotic) through the formation of interpenetrating polymer network and composite matrices using gelatin and hydroxyapatite. Developed matrices were characterized by Fourier transform infrared spectroscopy, x-ray diffraction and scanning electron microscopy. The individual tailoring approaches exerted significant influence on the swelling behavior of alginate matrix consequently enhanced the drug entrapment and extended the release period. However, the alginate matrix tailored with the combined approaches resulted in a superior matrix, which had a better control over the burst release of ciprofloxacin. Drug release prolonged from 5h to 240h for composite matrix as compared with alginate matrix showing that alginate combined with gelatin and hydroxyapatite sustained the release for longer periods. This matrix revealed excellent biocompatibility with osteoblast like MG-63 cell lines and showed good antibacterial activity against S. aureus and E. coli.
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Affiliation(s)
- K Sangeetha
- Department of Physics, Periyar University, Salem 636 011, Tamil Nadu, India
| | - E K Girija
- Department of Physics, Periyar University, Salem 636 011, Tamil Nadu, India.
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46
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Philp AM, Raja S, Philp A, Newton Ede MP, Jones SW. The Effect of Vancomycin and Gentamicin Antibiotics on Human Osteoblast Proliferation, Metabolic Function, and Bone Mineralization. Spine (Phila Pa 1976) 2017; 42:202-207. [PMID: 28121963 DOI: 10.1097/brs.0000000000001712] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN The present study investigates the effect of vancomycin and gentamicin antibiotics on primary human osteoblasts. Osteoblasts were incubated with vancomycin, gentamicin, or with povidone-iodine (PVI), at concentrations advocated for wound irrigation. Osteoblast proliferation, metabolic function, and bone mineralization were measured. OBJECTIVE The aim of the study was to model gentamicin and vancomycin wound irrigation in vitro and to examine the effect on osteoblast viability and cellular function in comparison to 0.35% PVI. SUMMARY OF BACKGROUND DATA Vancomycin, gentamicin, and dilute PVI are employed as wound irrigants in spinal surgery to reduce infection. We have, however, recently demonstrated that 0.35% PVI has a detrimental effect on osteoblast cellular function and bone mineralization. Studies to determine the effects of antibiotic wound irrigation solutions on osteoblasts and bone mineralization are therefore warranted. METHODS Primary human osteoblasts were exposed for 20 minutes to phosphate buffered saline (PBS) control, vancomycin (35 or 3.5 mmol/L), gentamicin (34 or 3.4 mmol/L), or 0.35% PVI for 3 minutes. Cellular proliferation was measured during 7 days by MTS (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium) assay. Osteoblast metabolic function was determined using a Seahorse XFe24 Bioanalyzer. Mineralized bone nodules were quantified using Alizarin red. RESULTS At concentrations advocated for wound irrigation, both gentamicin (3.4 mmol/L) and vancomycin (3.5 mmol/L) induced a transient 15% to 20% reduction in osteoblast proliferation, which returned to control values within 72 hours. This was in marked contrast to the effect of 0.35% PVI, which resulted in a sustained reduction in osteoblast proliferation of between 40% and 50% during 7 days. Neither gentamicin nor vancomycin at concentrations up to 10× clinical dose had any effect on osteoblast oxygen consumption rate, or significantly affected mineralized bone nodule formation. CONCLUSION Vancomycin and gentamicin solutions, at concentrations advocated for intrawound application in spinal surgery, have a small but transient effect on osteoblast proliferation, and no effect on either osteoblast metabolic function or bone nodule mineralization. LEVEL OF EVIDENCE N/A.
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Affiliation(s)
- Ashleigh M Philp
- MRC-ARUK Centre for Musculoskeletal Ageing Research, Institute of Inflammation and Ageing, Queen Elizabeth Hospital, University of Birmingham, Birmingham, United Kingdom
| | - Saroop Raja
- MRC-ARUK Centre for Musculoskeletal Ageing Research, Institute of Inflammation and Ageing, Queen Elizabeth Hospital, University of Birmingham, Birmingham, United Kingdom
| | - Andrew Philp
- MRC-ARUK Centre for Musculoskeletal Ageing Research, Institute of Inflammation and Ageing, Queen Elizabeth Hospital, University of Birmingham, Birmingham, United Kingdom
| | - Matthew P Newton Ede
- The Royal Orthopaedic Hospital NHS Foundation Trust, Bristol Road South, Northfield, Birmingham, United Kingdom
| | - Simon W Jones
- MRC-ARUK Centre for Musculoskeletal Ageing Research, Institute of Inflammation and Ageing, Queen Elizabeth Hospital, University of Birmingham, Birmingham, United Kingdom
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47
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Lee HJ, Hong JS, Kim YK, Um IW, Lee JI. Osteogenic Potential of Demineralized Dentin Matrix as Bone Graft Material. J HARD TISSUE BIOL 2017. [DOI: 10.2485/jhtb.26.223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Hyo-Jung Lee
- Department of Periodontology, Section of Dentistry, Seoul National University Bundang Hospital
| | - Ji-Soo Hong
- Department of Oral Pathology, School of Dentistry, Seoul National University
| | - Young-Kyun Kim
- Department of Oral Surgery, Section of Dentistry, Seoul National University Bundang Hospital
| | | | - Jae-Il Lee
- Department of Oral Pathology, School of Dentistry, Seoul National University
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48
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Gong W, Dong Y, Wang S, Gao X, Chen X. A novel nano-sized bioactive glass stimulates osteogenesis via the MAPK pathway. RSC Adv 2017. [DOI: 10.1039/c6ra26713k] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The effects of novel nano-sized 58S BG on osteogenic gene activation via the MAPK pathway are better than those of traditional 45S5 BG.
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Affiliation(s)
- Weiyu Gong
- Department of Cariology and Endodontology
- Peking University School and Hospital of Stomatology
- Beijing 100081
- China
| | - Yanmei Dong
- Department of Cariology and Endodontology
- Peking University School and Hospital of Stomatology
- Beijing 100081
- China
| | - Sainan Wang
- Department of Cariology and Endodontology
- Peking University School and Hospital of Stomatology
- Beijing 100081
- China
| | - Xuejun Gao
- Department of Cariology and Endodontology
- Peking University School and Hospital of Stomatology
- Beijing 100081
- China
| | - Xiaofeng Chen
- National Engineering Research Center for Human Tissue Restoration & Reconstruction
- South China University of Technology
- Guangzhou
- China
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49
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Sibilla P, Sereni A, Aguiari G, Banzi M, Manzati E, Mischiati C, Trombelli L, del Senno L. Effects of a Hydroxyapatite-based Biomaterial on Gene Expression in Osteoblast-like Cells. J Dent Res 2016; 85:354-8. [PMID: 16567558 DOI: 10.1177/154405910608500414] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Biostite® is a hydroxyapatite-derived biomaterial that is used in periodontal and bone reconstructive procedures due to its osteoconductive properties. Since the molecular effects of this biomaterial on osteoblasts are still unknown, we decided to assess whether it may specifically modulate osteoblast functions in vitro. We found that a brief exposure to Biostite® significantly reduced the proliferation of MG-63 and SaOS-2 osteoblast-like cells to ~ 50% of the plateau value. Furthermore, gene array analysis of MG-63 cells showed that Biostite® caused a differential expression of 37 genes which are involved in cell proliferation and interaction, and related to osteoblast differentiation and tissue regeneration. Results were confirmed by RT-PCR, Western blot, and by an increase in alkaline phosphatase (ALP) specific activity. Biostite® also increased levels of polycystin-2, a mechano-sensitive Ca2+ channel, a promising new marker of bone cell differentiation. Biostite®, therefore, may directly affect osteoblasts by enhancing chondro/osteogenic gene expression and cytoskeleton-related signaling pathways, which may contribute to its clinical efficacy.
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Affiliation(s)
- P Sibilla
- Department of Biochemistry and Molecular Biology, University of Ferrara, Italy
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50
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Rebl H, Finke B, Schmidt J, Mohamad HS, Ihrke R, Helm CA, Nebe JB. Accelerated cell-surface interlocking on plasma polymer-modified porous ceramics. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 69:1116-24. [DOI: 10.1016/j.msec.2016.08.016] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 07/07/2016] [Accepted: 08/07/2016] [Indexed: 11/25/2022]
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