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Bastidas-Coral AP, Bakker AD, Kleverlaan CJ, Hogervorst JMA, Klein-Nulend J, Forouzanfar T. Polymethyl methacrylate does not adversely affect the osteogenic potential of human adipose stem cells or primary osteoblasts. J Biomed Mater Res B Appl Biomater 2019; 108:1536-1545. [PMID: 31648414 PMCID: PMC7187190 DOI: 10.1002/jbm.b.34501] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 08/11/2019] [Accepted: 09/22/2019] [Indexed: 12/23/2022]
Abstract
Custom-made polymethyl methacrylate (PMMA) bone cement is used to treat cranial bone defects but whether it is cytotoxic is still unsure. Possible PMMA-induced adverse effects in vivo affect mesenchymal stem cells and osteoblasts at the implant site. We aimed to investigate whether PMMA affects osteogenic and osteoclast activation potential of human mesenchymal stem cells and/or osteoblasts. Immediately after polymerization, PMMA was added to cultured human adipose stem cells (hASCs) or human osteoblasts (hOBs). Medium lactate dehydrogenase was measured (day 1), metabolic activity, proliferation, osteogenic and osteoclast-activation marker expression (day 1 and 7), and mineralization (day 14). PMMA did not affect lactate dehydrogenase, KI67 gene expression, or metabolic activity in hASCs and hOBs. PMMA transiently decreased DNA content in hOBs only. PMMA increased COL1 gene expression in hASCs, but decreased RUNX2 in hOBs. PMMA did not affect osteocalcin or alkaline phosphatase (ALP) expression, ALP activity, or mineralization. Only in hOBs, PMMA decreased RANKL/OPG ratio. In conclusion, PMMA is not cytotoxic and does not adversely affect the osteogenic potential of hASCs or hOBs. Moreover, PMMA does not enhance production of osteoclast factors by hASCs and hOBs in vitro. Therefore, PMMA bone cement seems highly suitable to treat patients with cranial bone defects.
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Affiliation(s)
- Angela P Bastidas-Coral
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Astrid D Bakker
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Cornelis J Kleverlaan
- Department of Dental Materials Science, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Jolanda M A Hogervorst
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Jenneke Klein-Nulend
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam Movement Sciences, Amsterdam, The Netherlands
| | - Tymour Forouzanfar
- Department of Oral and Maxillofacial Surgery/Oral Pathology, Amsterdam University Medical Centers (Amsterdam UMC)-location VUmc/Academic Centre for Dentistry Amsterdam (ACTA), Amsterdam Movement Sciences, Amsterdam, The Netherlands
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Masuda T, Miyazawa K, Ueda N, Hata Y, Kawai T, Goto S. Development of an orthodontic elastic material using EMA-based resin combined with 1-butanol. Dent Mater J 2011; 30:664-71. [PMID: 21946487 DOI: 10.4012/dmj.2010-168] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
For the development of new orthodontic elastic material, 1-butanol was added to PEMA-TA/HX resin. In the present study, basic experiments to reveal the mechanical properties of the materials were conducted. FT-IR spectroscopy showed that addition of 1-butanol did not cause any chemical changes to the PEMA-TA/HX resin. After addition of 1-butanol to PEMA-TA/HX resin, the modulus of elasticity, instantaneous modulus elasticity, retarded elasticity and viscosity were lowered in a concentration-dependent manner, whereas the elastic strain was increased in a concentration-dependent manner. Moreover, on the application of heat a shape-memory effect was observed. These results suggest that the modulus of elasticity of this material can be adjusted. Additionally, this material has the ability to restore force as a function of its shape-memory effect in cases of plastic deformation at the insertion of appliances. This new orthodontic elastic material has the potential to be clinically effective in orthodontic treatment.
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Affiliation(s)
- Takehiro Masuda
- Department of Orthodontics, School of Dentistry, Aichi-Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya 464-8651, Japan.
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WANIBE H, YAMAMOTO M, NAKATA K, KAWAI T, NAKAMURA H. Selected physical properties of a PEMA-based resin for possible use in a root canal filling material. Dent Mater J 2011; 30:52-7. [DOI: 10.4012/dmj.2010-106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Harumasa WANIBE
- Department of Endodontics, School of Dentistry, Aichi-Gakuin University
| | | | - Kazuhiko NAKATA
- Department of Endodontics, School of Dentistry, Aichi-Gakuin University
| | - Tatsushi KAWAI
- Dental Material Science, School of Dentistry, Aichi-Gakuin University
| | - Hiroshi NAKAMURA
- Department of Endodontics, School of Dentistry, Aichi-Gakuin University
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5
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Hattori N, Suzuki T, Jinno S, Okeya H, Ishikawa A, Kondo C, Hayashi T, Ito M, Kanamori T, Kawai T, Noguchi T. Methyl Methacrylate Activates the Gsta1 Promoter. J Dent Res 2008; 87:1117-21. [DOI: 10.1177/154405910808701214] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Residual monomers in resin-based biomaterials cause cytotoxicity. We previously showed that methyl methacrylate (MMA) induced mRNA expression of the glutathione S-transferase alpha 1 gene ( Gsta1) located downstream of the cis-acting anti-oxidant responsive element (ARE). Herein, we tested the hypothesis that MMA activated the Gsta1 promoter through the ARE. HepG2 cells were transfected with a luciferase reporter vector containing the ARE and the Gsta1 promoter (−990 to +46 bp) and cultured for 12 hrs with MMA (initial concentration, 10 mM). Analysis of the expressed luciferase activity indicated that MMA activated the promoter 2.6-fold. MMA (from 1 to 30 mM) dose-dependently increased the promoter activity, which reached a plateau between 6 and 12 hrs. In HepG2 cells transfected with a reporter vector containing 2 AREs and a TATA-like promoter, 10 mM MMA increased the reporter expression 2.8-fold. These results suggest that MMA increases Gsta1 transcription through ARE-mediated promoter activation.
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Affiliation(s)
- N. Hattori
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - T. Suzuki
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - S. Jinno
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - H. Okeya
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - A. Ishikawa
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - C. Kondo
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - T. Hayashi
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - M. Ito
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - T. Kanamori
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - T. Kawai
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
| | - T. Noguchi
- Department of Periodontology,
- Department of Biochemistry,
- The Second Department of Prosthodontics, and
- Department of Dental Material Science, School of Dentistry, Aichi Gakuin University, 1–100 Kusumoto-cho, Chikusa-ku, Nagoya 464–8650, Japan
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Umemoto K, Kurata S, Morishita K, Kawase T. Basic study of a new soft resin applied with bisfunctional siloxane oligomer. Dent Mater J 2008; 26:656-8. [PMID: 18203464 DOI: 10.4012/dmj.26.656] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
To make a base polymer of a new soft resin material, a copolymer of 1,3-Bis(methacryloxypropyl)tetramethyl disiloxane (BMPMS) and methyl methacrylate monomer (MMA) was investigated. It was found that the compressive strength, bending strength and bending modulus value of the copolymer decreased with increase in BMPMS concentration. While, transverse deflection increased with increase in BMPMS concentration. As for the 50% inhibitory concentration value, it was about 0.8 mM for BMPMS.
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Affiliation(s)
- Kozo Umemoto
- Department of Biomaterials and Devices, Kanagawa Dental College, 82 Inaoka-cho, Yokosuka, Kanagawa 238, Japan
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