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Souza AMTDE, Braz JKFDAS, Martins GM, Vitoriano JDEO, G A Neto A, Nery DM, Sabino VG, Lucena EEDES, Rocha HADEO, Barboza CAG, A Júnior C, Moura CEBDE. Comparative analysis of the biocompatibility of endothelial cells on surfaces treated by thermal plasma and cold atmospheric plasma. AN ACAD BRAS CIENC 2023; 95:e20220865. [PMID: 37878908 DOI: 10.1590/0001-3765202320220865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 05/02/2023] [Indexed: 10/27/2023] Open
Abstract
In recent years, cold atmospheric plasma (CAP) is used for surface disinfection. However, little is known about its ability to improve biocompatibility of metallic surfaces when compared to thermal plasma methods. In this context, the study aimed to evaluate the response of human endothelial cells (Ea.hy926) on titanium surfaces treated by non-thermal plasma method and thermal plasma method under nitriding atmosphere. The wettability was characterized by the sessile drop method, the topography and roughness were evaluated by atomic force microscopy (AFM), and the microstructure by grazing angle X-ray diffraction (GIXRD). Endothelial cells were cultured and evaluated for morphology by scanning electron microscopy and viability by an MTT (3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide) assay. CAP treatment reduced the contact angle of the Ti surface (13.43° ± 1.48; p<0.05), increasing hydrophilicity. Rz roughness was higher on the nitrided surface (220.44±20.30; p< 0.001) compared to the CAP treated surfaces (83.29 ± 11.61; p< 0.001) and polished (75.98 ±34.21a); p<0.001). The different applied plasma treatments created different titanium surfaces improving the biocompatibility of endothelial cells, however CAP results demonstrate its potential for biomedical applications, considering the low cost and ease of use of the technique, allowing surface treatments before clinical procedures.
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Affiliation(s)
- Alan Max T DE Souza
- Programa de Pós-Graduação em Saúde e Sociedade, Universidade do Estado do Rio Grande do Norte (UERN), Rua Miguel Antônio da Silva Neto, s/n, Aeroporto, 59607-360 Mossoró, RN, Brazil
| | - Janine Karla F DA Silva Braz
- Universidade Federal do Rio Grande do Norte (UFRN), Escola Multicampi de Ciências Médicas do RN, Av. Cel. Martiniano, 541, 59300-000 Caicó, RN, Brazil
| | - Gabriel M Martins
- Universidade Federal Rural do Semi-árido (UFERSA), Departamento de Ciências Animais, Av. Francisco Mota, 572, Costa e Silva, 59625-900 Mossoró, RN, Brazil
| | - Jussier DE Oliveira Vitoriano
- Universidade Federal Rural do Semi-árido (UFERSA), Laboratório de Plasma Aplicado a Agricultura, Saúde e Meio Ambiente, Av. Francisco Mota, 572, Costa e Silva, 59625-900 Mossoró, RN, Brazil
| | - Aurélio G A Neto
- Universidade Federal do Rio Grande do Norte (UFRN), Escola Multicampi de Ciências Médicas do RN, Av. Cel. Martiniano, 541, 59300-000 Caicó, RN, Brazil
| | - David M Nery
- Universidade Federal do Rio Grande do Norte (UFRN), Escola Multicampi de Ciências Médicas do RN, Av. Cel. Martiniano, 541, 59300-000 Caicó, RN, Brazil
| | - Vladimir G Sabino
- Universidade Federal do Rio Grande do Norte (UFRN), Departamento de Morfologia, Campus Universitário UFRN, Av. Sen. Salgado Filho, 3000, Lagoa Nova, 59078-970 Natal, RN, Brazil
| | - Eudes E DE Souza Lucena
- Programa de Pós-Graduação em Saúde e Sociedade, Universidade do Estado do Rio Grande do Norte (UERN), Rua Miguel Antônio da Silva Neto, s/n, Aeroporto, 59607-360 Mossoró, RN, Brazil
- Universidade Federal do Rio Grande do Norte (UFRN), Escola Multicampi de Ciências Médicas do RN, Av. Cel. Martiniano, 541, 59300-000 Caicó, RN, Brazil
| | - Hugo Alexandre DE Oliveira Rocha
- Universidade Federal do Rio Grande do Norte (UFRN), Departamento de Bioquímica, Campus Universitário UFRN, Av. Sen. Salgado Filho, 3000, Lagoa Nova, 59078-970 Natal, RN, Brazil
| | - Carlos Augusto G Barboza
- Universidade Federal do Rio Grande do Norte (UFRN), Departamento de Morfologia, Campus Universitário UFRN, Av. Sen. Salgado Filho, 3000, Lagoa Nova, 59078-970 Natal, RN, Brazil
| | - Clodomiro A Júnior
- Universidade Federal Rural do Semi-árido (UFERSA), Laboratório de Plasma Aplicado a Agricultura, Saúde e Meio Ambiente, Av. Francisco Mota, 572, Costa e Silva, 59625-900 Mossoró, RN, Brazil
| | - Carlos Eduardo B DE Moura
- Universidade Federal Rural do Semi-árido (UFERSA), Departamento de Ciências Animais, Av. Francisco Mota, 572, Costa e Silva, 59625-900 Mossoró, RN, Brazil
- Universidade Federal Rural do Semi-árido (UFERSA), Laboratório de Plasma Aplicado a Agricultura, Saúde e Meio Ambiente, Av. Francisco Mota, 572, Costa e Silva, 59625-900 Mossoró, RN, Brazil
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Two Gingival Cell Lines Response to Different Dental Implant Abutment Materials: An In Vitro Study. Dent J (Basel) 2022; 10:dj10100192. [PMID: 36286002 PMCID: PMC9600692 DOI: 10.3390/dj10100192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/13/2022] [Accepted: 09/19/2022] [Indexed: 11/17/2022] Open
Abstract
Objectives: This study aimed to investigate the response of human gingival fibroblasts (HGFB) and human gingival keratinocytes (HGKC) towards different dental implant abutment materials. Methods: Five materials were investigated: (1) titanium (Ti), (2) titanium nitride (TiN), (3) cobalt-chromium (CoCr), (4) zirconia (ZrO2), and (5) modified polyether ether ketone (m-PEEK). Both cell lines were cultured, expanded, and seeded in accordance with the protocol of their supplier. Cell proliferation and cytotoxicity were evaluated at days 1, 3, 5, and 10 using colourimetric viability and cytotoxicity assays. Data were analysed via two-way ANOVA, one-way ANOVA, and Tukey’s post hoc test (p < 0.05 for all tests). Results: There was a statistically significant difference in cell proliferation of HGKC and HGFB cells in contact with different abutment materials at different time points, with no significant interaction between different materials. There was a significant effect on cell proliferation and cytotoxicity with different exposure times (p < 0.0001) for each material. Cell proliferation rates were comparable for both cell lines at the beginning of the study, however, HGFB showed higher proliferation rates for all materials at day 10 with better proliferation activities with ZrO and m-PEEK (40.27%) and (48.38%) respectively. HGKC showed significant interactions (p < 0.0001) in cytotoxicity between different materials. Conclusion: The present in vitro assessment investigated the biocompatibility of different abutment materials with soft tissue cells (HGFB and HGKC). The findings suggest that m-PEEK and TiN are biologically compatible materials with human cells that represent the soft tissue and can be considered as alternative implant abutment materials to Ti and ZrO2, especially when the aesthetic is of concern.
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Osman MA, Alamoush RA, Kushnerev E, Seymour KG, Shawcross S, Yates JM. Human osteoblasts response to different dental implant abutment materials: An in-vitro study. Dent Mater 2022; 38:1547-1557. [PMID: 35909000 DOI: 10.1016/j.dental.2022.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 07/12/2022] [Accepted: 07/20/2022] [Indexed: 11/03/2022]
Abstract
OBJECTIVES This study aimed to investigate human osteoblasts (HOB) response towards different dental implant abutment materials. METHODS Five dental implant abutment materials were investigated: (1) titanium (Ti), (2) titanium coated nitride (TiN), (3) cobalt chromium (CoCr), (4) zirconia (ZrO₂), and (5) modified polyether ether ketone (m-PEEK). HOBs were cultured, expanded, and seeded according to the supplier's protocol (PromoCell, UK). Cell proliferation and cytotoxicity were evaluated at days 1, 3, 5, and 10 using Alamar Blue (alamarBlue) and lactate dehydrogenase (LDH) colorimetric assays. Data were analysed via two-way ANOVA, one-way ANOVA and Tukey's post hoc test (significance was determined as p < 0.05 for all tests). RESULTS All the investigated materials showed high and comparable initial proliferation activities apart from ZrO₂ (46.92%), with P% of 79.91%, 68.77%, 73.20%, and 65.46% for Ti, TiN, CoCr, and m-PEEK, respectively. At day 10, all materials exhibited comparable and lower P% than day 1 apart from TiN (70.90%) with P% of 30.22%, 40.64%, 37.27%, and 50.65% for Ti, CoCr, ZrO₂, and m-PEEK, respectively. The cytotoxic effect of the investigated materials was generally low throughout the whole experiment. At day 10, the cytotoxicity % was 7.63%, 0.21%, 13.30%, 5.32%, 8.60% for Ti, TiN, CoCr, ZrO₂, and m-PEEK. The Two-way ANOVA and Tukey's Multiple Comparison Method highlighted significant material and time effects on cell proliferation and cytotoxicity, and a significant interaction (p < 0.0001) between the tested materials. Notably, TiN and m-PEEK showed improved HOB proliferation activity and cytotoxic levels than the other investigated materials. In addition, a non-significant negative correlation between viability and cytotoxicity was found for all tested materials. Ti (p = 0.07), TiN (p = 0.28), CoCr (p = 0.15), ZrO₂ (p = 0.17), and m-PEEK (p = 0.12). SIGNIFICANCE All the investigated materials showed excellent biocompatibility properties with more promising results for the newly introduced TiN and m-PEEK as alternatives to the traditionally used dental implant and abutment materials.
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Affiliation(s)
- Muataz A Osman
- Division of Dentistry, School of Medical Sciences, University of Manchester, Coupland 3 Building, Oxford Road, Manchester M13 9PL, United Kingdom; Periodontology Department, Faculty of Dentistry, The University of Benghazi, Benghazi, Libya; Restorative Department, Faculty of Dentistry, Libyan International Medical University, Benghazi, Libya; Blond McIndoe Laboratories, Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine & Health, The University of Manchester, 3.106 Stopford Building, Oxford Road, Manchester M13 9PT, United Kingdom.
| | - Rasha A Alamoush
- Prosthodontic Department, School of Dentistry, University of Jordan, Amman, Jordan
| | - Evgeny Kushnerev
- Division of Dentistry, School of Medical Sciences, University of Manchester, Coupland 3 Building, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Kevin G Seymour
- Division of Dentistry, School of Medical Sciences, University of Manchester, Coupland 3 Building, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Susan Shawcross
- Blond McIndoe Laboratories, Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine & Health, The University of Manchester, 3.106 Stopford Building, Oxford Road, Manchester M13 9PT, United Kingdom
| | - Julian M Yates
- Division of Dentistry, School of Medical Sciences, University of Manchester, Coupland 3 Building, Oxford Road, Manchester M13 9PL, United Kingdom.
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Biocompatible Gas Plasma Treatment Affects Secretion Profiles but Not Osteogenic Differentiation in Patient-Derived Mesenchymal Stromal Cells. Int J Mol Sci 2022; 23:ijms23042038. [PMID: 35216160 PMCID: PMC8879607 DOI: 10.3390/ijms23042038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/07/2022] [Accepted: 02/09/2022] [Indexed: 11/17/2022] Open
Abstract
Cold physical plasma (CPP), a partially ionized gas that simultaneously generates reactive oxygen and nitrogen species, is suggested to provide advantages in regenerative medicine. Intraoperative CPP therapy targeting pathologies related to diminished bone quality could be promising in orthopedic surgery. Assessment of a clinically approved plasma jet regarding cellular effects on primary bone marrow mesenchymal stromal cells (hBM-MSCs) from relevant arthroplasty patient cohorts is needed to establish CPP-based therapeutic approaches for bone regeneration. Thus, the aim of this study was to derive biocompatible doses of CPP and subsequent evaluation of human primary hBM-MSCs’ osteogenic and immunomodulatory potential. Metabolic activity and cell proliferation were affected in a treatment-time-dependent manner. Morphometric high content imaging analyses revealed a decline in mitochondria and nuclei content and increased cytoskeletal compactness following CPP exposure. Employing a nontoxic exposure regime, investigation on osteogenic differentiation did not enhance osteogenic capacity of hBM-MSCs. Multiplex analysis of major hBM-MSC cytokines, chemokines and growth factors revealed an anti-inflammatory, promatrix-assembling and osteoclast-regulating secretion profile following CPP treatment and osteogenic stimulus. This study can be noted as the first in vitro study addressing the influence of CPP on hBM-MSCs from individual donors of an arthroplasty clientele.
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Qian H, Lei T, Ye Z, Hu Y, Lei P. From the Performance to the Essence: The Biological Mechanisms of How Tantalum Contributes to Osteogenesis. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5162524. [PMID: 32802853 PMCID: PMC7403943 DOI: 10.1155/2020/5162524] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 07/16/2020] [Indexed: 12/14/2022]
Abstract
Despite the brilliant bioactive performance of tantalum as an orthopedic biomaterial verified through laboratory researches and clinical practice in the past decades, scarce evidences about the essential mechanisms of how tantalum contributes to osteogenesis were systematically discussed. Up to now, a few studies have uncovered preliminarily the biological mechanism of tantalum in osteogenic differentiation and osteogenesis; it is of great necessity to map out the panorama through which tantalum contributes to new bone formation. This minireview summarized current advances to demonstrate the probable signaling pathways and underlying molecular cascades through which tantalum orchestrates osteogenesis, which mainly contain Wnt/β-catenin signaling pathway, BMP signaling pathway, TGF-β signaling pathway, and integrin signaling pathway. Limits of subsistent studies and further work are also discussed, providing a novel vision for the study and application of tantalum.
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Affiliation(s)
- Hu Qian
- Department of Orthopedics, Xiangya Hospital of Central South University, 87 Xiangya Road, Changsha, Hunan 410008, China
- Xiangya School of Medicine, Central South University, 172 Tongzipo Road, Changsha, 410008 Hunan, China
| | - Ting Lei
- Department of Orthopedics, Xiangya Hospital of Central South University, 87 Xiangya Road, Changsha, Hunan 410008, China
| | - Zhimin Ye
- Xiangya School of Medicine, Central South University, 172 Tongzipo Road, Changsha, 410008 Hunan, China
| | - Yihe Hu
- Department of Orthopedics, Xiangya Hospital of Central South University, 87 Xiangya Road, Changsha, Hunan 410008, China
| | - Pengfei Lei
- Department of Orthopedics, Xiangya Hospital of Central South University, 87 Xiangya Road, Changsha, Hunan 410008, China
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Braz JKFS, Martins GM, Morales N, Naulin P, Fuentes C, Barrera NP, O Vitoriano J, Rocha HAO, Oliveira MF, Alves C, Moura CEB. Live endothelial cells on plasma-nitrided and oxidized titanium: An approach for evaluating biocompatibility. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 113:111014. [PMID: 32487415 DOI: 10.1016/j.msec.2020.111014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 03/18/2020] [Accepted: 04/22/2020] [Indexed: 02/03/2023]
Abstract
We evaluated the effects of titanium plasma nitriding and oxidation on live endothelial cell viscoelasticity. For this, mechanically polished titanium surfaces and two surfaces treated by planar cathode discharge in nitriding (36N2 and 24H2) and oxidant (36O2 and 24H2). Surfaces were characterized regarding wettability, roughness and chemical composition. Rabbit aortic endothelial cells (RAECs) were cultured on the titanium surfaces. Cell morphology, viability and viscoelasticity were evaluated by scanning electron microscopy (SEM), methyl thiazolyl tetrazolium (MTT) assay and atomic force microscopy (AFM), respectively. Grazing Incidence X-ray Diffraction confirmed the presence of TiN0,26 on the surface (grazing angle theta 1°) of the nitrided samples, decreasing with depth. On the oxidized surface had the formation of TiO3 on the material surface (Theta 1°) and in the deeper layers was noted, with a marked presence of Ti (Theta 3°). Both plasma treatments increased surface roughness and they are hydrophilic (angle <90°). However, oxidation led to a more hydrophilic titanium surface (66.59° ± 3.65 vs. 76.88° ± 2.68; p = 0.001) due to titanium oxide films in their stoichiometric varieties (Ti3O, TiO2, Ti6O), especially Ti3O. Despite focal adhesion on the surfaces, viability was different after 24 h, as cell viability on the oxidized surface was higher than on the nitrided surface (9.1 × 103 vs. 4.5 × 103cells; p < 0.05). This can be explained by analyzing the viscoelastic property of the cellular cytoskeleton (nuclear and peripheral) by AFM. Surface oxidation significantly increased RAECs viscoelasticity at cell periphery, in comparison to the nucleus (2.36 ± 0.3 vs. 1.5 ± 0.4; p < 0.05), and to the RAECs periphery in contact with nitrided surfaces (1.36 ± 0.7; p < 0.05) and polished surfaces (1.55 ± 0.6; p < 0.05). Taken together, our results have shown that titanium plasma treatment directly increased cell viscoelasticity via surface oxidation, and this mechanobiological property subsequently increased biocompatibility.
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Affiliation(s)
- Janine Karla F S Braz
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, Mossoró, Brazil; Escola Multicampi de Ciências Médicas do Rio Grande do Norte, Universidade Federal do Rio Grande do Norte, Brazil.
| | - Gabriel Moura Martins
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, Mossoró, Brazil
| | - Nicole Morales
- Department of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Pamela Naulin
- Department of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Christian Fuentes
- Department of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Nelson P Barrera
- Department of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
| | - Jussier O Vitoriano
- Laboratório de Plasma Aplicado a Agricultura, Saúde e Meio Ambiente, Universidade Federal do Rio Grande do Norte, Brazil
| | - Hugo A O Rocha
- Department of Biochemistry, Universidade Federal do Rio Grande do Norte, Natal, Brazil.
| | - Moacir F Oliveira
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, Mossoró, Brazil.
| | - Clodomiro Alves
- Laboratório de Plasma Aplicado a Agricultura, Saúde e Meio Ambiente, Universidade Federal do Rio Grande do Norte, Brazil.
| | - Carlos Eduardo B Moura
- Department of Animal Science, Universidade Federal Rural do Semi-Árido, Mossoró, Brazil.
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Malchesky PS. Artificial Organs
2019: A year in review. Artif Organs 2020; 44:314-338. [DOI: 10.1111/aor.13650] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/14/2020] [Accepted: 01/14/2020] [Indexed: 12/13/2022]
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