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Wu Y, Fu Y, Pan H, Chang C, Ao N, Xu H, Zhang Z, Hu P, Li R, Duan S, Li YY. Preparation and evaluation of stingray skin collagen/oyster osteoinductive composite scaffolds. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023:1-22. [PMID: 36644798 DOI: 10.1080/09205063.2023.2166338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The regeneration of bone defects is a major challenge for clinical orthopaedics. Herein, we designed and prepared a new type of bioactive material, using stingray skin collagen and oyster shell powder (OSP) as raw materials. A stingray skin collagen/oyster osteoinductive composite scaffold (Col-OSP) was prepared for the first time by genipin cross-linking, pore-forming and freeze-drying methods. These scaffolds were characterized by ATR-FTIR, SEM, compression, swelling, cell proliferation, cell adhesion, alkaline phosphatase activity, alizarin red staining and RT-PCR etc. The Col-OSP scaffold had an interconnected three-dimensional porous structure, and the mechanical properties of the Col-OSP composite scaffold were enhanced compared with Col, combining with the appropriate swelling rate and degradation rate, the scaffold was more in line with the requirements of bone tissue engineering scaffolds. The Col-OSP scaffold was non-toxic, promoted the proliferation, adhesion, and differentiation of MC3T3-E1 cells, and stimulated the osteogenesis-related genes expressions of osteocalcin (OCN), collagen type I (COL-I) and RUNX2 of MC3T3-E1 cells.
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Affiliation(s)
- Yue Wu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China.,R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Yingkun Fu
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Hongfu Pan
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Cong Chang
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Ningjian Ao
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China
| | - Hui Xu
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Zhengnan Zhang
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Ping Hu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China
| | - Riwang Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China
| | - Shuxia Duan
- R&D center of Henan Yadu Industrial Co. Ltd, Xinxiang, P. R. China
| | - Yan Yan Li
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, P. R. China
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Balera Brito VG, Patrocinio MS, Alves Barreto AE, Tfaile Frasnelli SC, Lara VS, Santos CF, Penha Oliveira SH. Telmisartan impairs the in vitro osteogenic differentiation of mesenchymal stromal cells from spontaneously hypertensive male rats. Eur J Pharmacol 2021; 912:174609. [PMID: 34743978 DOI: 10.1016/j.ejphar.2021.174609] [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: 05/21/2021] [Revised: 10/20/2021] [Accepted: 10/26/2021] [Indexed: 11/19/2022]
Abstract
Telmisartan (TELM) is an angiotensin II (Ang II) type 1 receptor (Agtr1) antagonist, with partial agonism for Pparg, and has been shown to affect bone metabolism. Therefore, the aim of this study was to investigate the effects of TELM in the in vitro osteogenic differentiation of bone marrow-derived mesenchymal stromal cells (BMSC) from spontaneously hypertensive rats (SHRs). BMSC were obtained from male SHR, and the osteogenic medium (OM) was added to the cells concomitantly with TELM (0.005, 0.05, and 0.5 μM). Undifferentiated BMSC, in control medium (CM), showed an increased viability, while the addition of OM reduced this parameter, and TELM did not show cytotoxicity in the concentrations used. BMSC in OM had an alkaline phosphatase (ALP) activity peak at d10, which decreased at d14 and d21, and TELM reduced ALP at d10 in a dose-dependent manner. Mineralization was observed in the OM at d14, which intensified at d21, but was inhibited by TELM. Agtr1b was increased in the OM, and TELM inhibited its expression. TELM reduced Opn, Ocn, and Bsp and increased Pparg expression, and at the higher concentration TELM also increased the expression of adipogenic markers, Fabp4 and Adipoq. In addition, TELM 0.5 μM increased Irs1 and Glut4, insulin and glucose metabolism markers, known to be regulated by Pparg and to be related to adipogenic phenotype. Our data shows that TELM inhibited the osteogenic differentiation and mineralization of SHR BMSC, by favoring an adipogenic prone phenotype due to Pparg upregulation.
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Affiliation(s)
- Victor Gustavo Balera Brito
- Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil; Multicenter Postgraduate Program in Physiological Sciences, Brazilian Society of Physiology, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Mariana Sousa Patrocinio
- Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Ayná Emanuelli Alves Barreto
- Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil; Multicenter Postgraduate Program in Physiological Sciences, Brazilian Society of Physiology, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | | | - Vanessa Soares Lara
- Department of Stomatology, Bauru School of Dentistry, University of São Paulo (USP), SP, Brazil
| | - Carlos Ferreira Santos
- Department of Biological Science, Bauru School of Dentistry, University of São Paulo (USP), SP, Brazil
| | - Sandra Helena Penha Oliveira
- Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil; Multicenter Postgraduate Program in Physiological Sciences, Brazilian Society of Physiology, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil.
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Rezaee R, Mohebbi M, Afkhamizadeh M, Yaghoubi MA, Najafi MN, Hoseinzadeh M, Sahebkar A. The effect of levothyroxine in comparison with placebo on serum osteocalcin levels in patients with subclinical hypothyroidism. Curr Drug Saf 2021; 17:64-69. [PMID: 34036915 DOI: 10.2174/1574886316666210525102230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 01/02/2021] [Accepted: 02/09/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND AND OBJECTIVE Subclinical hypothyroidism can potentially develop to overt hypothyroidism. Thyroid hormones have substantial roles in metabolism and glucose homeostasis and thus are closely related to determinant factors of metabolic syndromes, such as obesity and insulin resistance. Osteocalcin is considered a predictor of metabolic conditions in thyroid diseases. This study aimed to investigate the effect of levothyroxine vs. placebo on serum osteocalcin levels in patients with subclinical hypothyroidism. METHODS This randomized clinical trial was performed on 30 patients with subclinical hypothyroidism who were referred to the endocrine clinics of Ghaem and Imam Reza hospitals in Mashhad, Iran. After giving informed consent, patients were randomly divided into intervention (50 µg/day levothyroxine for 2 months) and control (placebo) groups. Serum levels of osteocalcin, thyroid hormones, lipid profile, insulin, and fasting glucose, as well as other clinical and anthropometric data, were measured at baseline and at the end of the study. SPSS was used to analyze the data and P<0.05 was considered significant. RESULTS Mean age in the intervention and control groups was 35.07 ± 9.94 and 31.30 ± 4.30, respectively (P=0.20). There was no significant difference between osteocalcin levels before and after the intervention in either of the groups (P=0.54). TSH level was significantly decreased in the levothyroxine group after the intervention (P<0.01). T4 level was significantly increased in the intervention group (P=0.02). CONCLUSION Levothyroxine had no significant effect on increasing the levels of serum osteocalcin in patients with subclinical hypothyroidism. We have registered the trial in the Iranian registry of clinical trials (IRCT) with the registration code IRCT20171129037677N1.
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Affiliation(s)
- Reihaneh Rezaee
- Internal Medicine Department, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Masoud Mohebbi
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mozhgan Afkhamizadeh
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Ali Yaghoubi
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mona Najaf Najafi
- Department of Community Medicine, Mashhad University of Medical Sciences, Mashad, Iran
| | | | - Amirhossein Sahebkar
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Jitpibull J, Tangjit N, Dechkunakorn S, Anuwongnukroh N, Srikhirin T, Vongsetskul T, Sritanaudomchai H. Effect of surface chemistry-modified polycaprolactone scaffolds on osteogenic differentiation of stem cells from human exfoliated deciduous teeth. Eur J Oral Sci 2021; 129:e12766. [PMID: 33667016 DOI: 10.1111/eos.12766] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 12/29/2020] [Accepted: 12/29/2020] [Indexed: 12/21/2022]
Abstract
The aim of this study was to investigate the effect of surface modification of a polycaprolactone scaffold on promoting osteogenic differentiation of stem cells from human exfoliated deciduous teeth. Four different polycaprolactone scaffold were evaluated: untreated; coated with hyaluronic acid; coated with gelatin; and coated with hyaluronic acid and then with gelatin. The resulting scaffolds were characterized using scanning electron microscopy and attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR). Human stem cells were cultured on the modified scaffolds placed in osteogenic differentiation medium. During culture, the osteogenic potential of the stem cells was examined by evaluating alkaline phosphatase activity and staining intensity, expression of osteoblastic-specific genes, and matrix mineralization. Scanning electron microscopy and ATR-FTIR confirmed productive biomacromolecular surface treatment of the polycaprolactone scaffold. All scaffolds permitted differentiation of stem cells into osteoblastic cells, but the gelatin-coated polycaprolactone scaffold facilitated osteogenesis of a larger number of stem cells than the untreated and the hyaluronic acid-coated scaffolds. We demonstrate that gelatin is an appropriate macromolecule for modifying the surface of an electrospun polycaprolactone fibre scaffold that is used subsequently in bone tissue engineering applications.
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Affiliation(s)
- Jirasak Jitpibull
- School of Materials Science and Innovation, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Nathaphon Tangjit
- Department of Orthodontics, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - Surachai Dechkunakorn
- Department of Orthodontics, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - Niwat Anuwongnukroh
- Department of Orthodontics, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - Toemsak Srikhirin
- School of Materials Science and Innovation, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Thammasit Vongsetskul
- School of Materials Science and Innovation, Faculty of Science, Mahidol University, Bangkok, Thailand
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Doolittle ML, Ackert-Bicknell CL, Jonason JH. Isolation and Culture of Neonatal Mouse Calvarial Osteoblasts. Methods Mol Biol 2021; 2230:425-436. [PMID: 33197030 DOI: 10.1007/978-1-0716-1028-2_26] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
This chapter describes the isolation and culture of neonatal mouse calvarial osteoblasts. This primary cell population is obtained by sequential enzymatic digestion of the calvarial bone matrix and is capable of differentiating in vitro into mature osteoblasts that deposit a collagen extracellular matrix and form mineralized bone nodules. Maturation of the cultures can be monitored by gene expression analyses and staining for the presence of alkaline phosphatase or matrix mineralization. This culture system, therefore, provides a powerful model in which to test how various experimental conditions, such as the manipulation of gene expression, may affect osteoblast maturation and/or function.
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Affiliation(s)
- Madison L Doolittle
- Department of Orthopaedics and Rehabilitation, Center for Musculoskeletal Research, University of Rochester, Rochester, NY, USA
| | - Cheryl L Ackert-Bicknell
- Department of Orthopaedics and Rehabilitation, Center for Musculoskeletal Research, University of Rochester, Rochester, NY, USA
- Department of Orthopedics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Jennifer H Jonason
- Department of Orthopaedics and Rehabilitation, Center for Musculoskeletal Research, University of Rochester, Rochester, NY, USA.
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Deng F, Zhai W, Yin Y, Peng C, Ning C. Advanced protein adsorption properties of a novel silicate-based bioceramic: A proteomic analysis. Bioact Mater 2021; 6:208-218. [PMID: 32913929 PMCID: PMC7451930 DOI: 10.1016/j.bioactmat.2020.08.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 08/08/2020] [Accepted: 08/12/2020] [Indexed: 12/13/2022] Open
Abstract
Silicate bioceramics have been shown to possess excellent cytocompatibility and osteogenic activity, but the exact mechanism is still unclear. Protein adsorption is the first event taking place at the biomaterial-tissue interface, which is vital to the subsequent cellular behavior and further influence the biomaterial-tissue interaction. In this work, the protein adsorption behavior of a novel CPS bioceramic was evaluated using the proteomics technology. The results showed that CPS adsorbed more amount and types of serum proteins than HA. FN1 and IGF1 proteins selected from proteomics results were validated by Western-blot experiment. Pathway analysis also revealed mechanistic insights how these absorbed proteins by CPS help mediate cell adhesion and promotes osteogenic activity. Firstly, the dramatically enhanced adsorption of FN1 could greatly promote cell adhesion and growth. Secondly, IGF1 was uniquely adsorbed on CPS bioceramic and IGF1 could activate Rap1 signaling pathway to promote cell adhesion. Thirdly, the increased adsorption of FN1, IGF1 and COL1A2 proteins on CPS explains its better ability on bone regeneration than HA. Fourthly, the increased adsorption of IGF1, CHAD, COL2A1 and THBS4 proteins on CPS explains its ability on cartilage formation. Lastly, the increased adsorption of immunological related proteins on CPS may also play a positive role in bone regeneration. In addition, CPS had a much better cell adhesion ability than HA, proving that more adsorbed proteins really had a positive effect on cell behavior. The more adsorbed proteins on CPS than HA might indicated a better bone regeneration rate at early stage of implantation.
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Affiliation(s)
- Fanyan Deng
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Wanyin Zhai
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Yue Yin
- National Facility for Protein Science in Shanghai, Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Science, Shanghai, 201210, China
| | - Chao Peng
- National Facility for Protein Science in Shanghai, Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Science, Shanghai, 201210, China
| | - Congqin Ning
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, China
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
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7
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Zhang J, Wehrle E, Adamek P, Paul GR, Qin XH, Rubert M, Müller R. Optimization of mechanical stiffness and cell density of 3D bioprinted cell-laden scaffolds improves extracellular matrix mineralization and cellular organization for bone tissue engineering. Acta Biomater 2020; 114:307-322. [PMID: 32673752 DOI: 10.1016/j.actbio.2020.07.016] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 07/02/2020] [Accepted: 07/08/2020] [Indexed: 12/22/2022]
Abstract
Bioprinting is an emerging technology in which cell-laden biomaterials are precisely dispersed to engineer artificial tissues that mimic aspects of the anatomical and structural complexity of relatively soft tissues such as skin, vessels, and cartilage. However, reproducing the highly mineralized and cellular diversity of bone tissue is still not easily achievable and is yet to be demonstrated. Here, an extrusion-based 3D bioprinting strategy is utilized to fabricate 3D bone-like tissue constructs containing osteogenic cellular organization. A simple and low-cost bioink for 3D bioprinting of bone-like tissue is prepared based on two unmodified polymers (alginate and gelatin) and combined with human mesenchymal stem cells (hMSCs). To form 3D bone-like tissue and bone cell phenotype, the influence of different scaffold stiffness and cell density of 3D bioprinted cell-laden porous scaffolds on osteogenic differentiation and bone-like tissue formation was investigated over time. Our results showed that soft scaffolds (0.8%alg, 0.66 ± 0.08 kPa) had higher DNA content, enhanced ALP activity and stimulated osteogenic differentiation than stiff scaffolds (1.8%alg, 5.4 ± 1.2 kPa). At day 42, significantly more mineralized tissue was formed in soft scaffolds than in stiff scaffolds (43.5 ± 7.1 mm3 vs. 22.6 ± 6.0 mm3). Importantly, immunohistochemistry staining demonstrated more osteocalcin protein expression in high mineral compared to low mineral regions. Additionally, cells in soft scaffolds exhibited osteoblast- and early osteocyte-related gene expression and 3D cellular network within the mineralized matrix at day 42. Furthermore, the results showed that cell density in 15 M cells/ml can promote cell-cell connections at day 7 and mineral formation at day 14, while 5 M cells/ml had the significantly higher mineral formation rate than 15 M cells/ml from day 14 to day 21. In summary, this work reports the formation of 3D bioprinted bone-like tissue using a simple and low-cost cell-laden bioink, which was optimized for stiffness and cell density, showing great promise for bone tissue engineering applications. STATEMENT OF SIGNIFICANCE: In this study, we presented for the first time a framework combining 3D bioprinting, bioreactor system and time-lapsed micro-CT monitoring to provide in vitro scaffold fabrication, maturation, and mineral visualization for bone tissue engineering. 3D bone-like tissue constructs have been formed via optimizing scaffold stiffness and cell density. The soft scaffolds had higher cell proliferation, enhanced alkaline phosphatase activity and stimulated osteogenic differentiation with 3D cellular network foramtion than stiff scaffolds. Significantly more mineralized bone-like tissue was formed in soft scaffolds than stiff scaffolds at day 42. Meanwhile, cell density in 15 M cells/ml can promote cell-cell connections and mineral formation in 14 days, while the higher mineral formation rate was found in 5 M cells/ml from day 14 to day 21.
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Affiliation(s)
- Jianhua Zhang
- Institute for Biomechanics, ETH Zurich, Leopold-Ruzicka-Weg 4, 8093 Zurich, Switzerland
| | - Esther Wehrle
- Institute for Biomechanics, ETH Zurich, Leopold-Ruzicka-Weg 4, 8093 Zurich, Switzerland
| | - Pavel Adamek
- Institute for Biomechanics, ETH Zurich, Leopold-Ruzicka-Weg 4, 8093 Zurich, Switzerland
| | - Graeme R Paul
- Institute for Biomechanics, ETH Zurich, Leopold-Ruzicka-Weg 4, 8093 Zurich, Switzerland
| | - Xiao-Hua Qin
- Institute for Biomechanics, ETH Zurich, Leopold-Ruzicka-Weg 4, 8093 Zurich, Switzerland
| | - Marina Rubert
- Institute for Biomechanics, ETH Zurich, Leopold-Ruzicka-Weg 4, 8093 Zurich, Switzerland
| | - Ralph Müller
- Institute for Biomechanics, ETH Zurich, Leopold-Ruzicka-Weg 4, 8093 Zurich, Switzerland.
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Kumar P, Saini M, Dehiya BS, Umar A, Sindhu A, Mohammed H, Al-Hadeethi Y, Guo Z. Fabrication and in-vitro biocompatibility of freeze-dried CTS-nHA and CTS-nBG scaffolds for bone regeneration applications. Int J Biol Macromol 2020; 149:1-10. [PMID: 31923516 DOI: 10.1016/j.ijbiomac.2020.01.035] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 01/02/2020] [Accepted: 01/04/2020] [Indexed: 12/12/2022]
Abstract
The thought of biodegradable organic-inorganic composites composed of natural polymer chitosan and ceramic nanoparticles (hydroxyapatite and bioglass) can be considered as a solution for hard tissue engineering. In this paper, we described a comparative assessment of chitosan-nanohydroxyapatite (CTS-nHA) and chitosan-nano-bioglass (CTS-nBG) scaffolds. The dispersion of nanoscaled hydroxyapatite (nHA) and bioglass (nBG) in chitosan remained satisfactory. The freeze-dried composite based CTS-nHA and CTS-nBG scaffolds shown porous structure. The physiochemical and morphological analysis of all samples has been performed through X-ray powder diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), Brunauer-Emmett-Teller (BET), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The SEM image confirmed the presence of spherically shaped nHA particles of 4.20 μm and irregularly shaped nBG particles of 6.89 μm. The TEM analysis revealed the existence of 165.52 to 255.17 nm sized nHA particles and 167.35 to 334.69 nm sized nBG particles. TEM analysis also showed the interconnected structure of CTS-nHA and CTS-nBG nanocomposites. After seven days' incubation period, the CTS-nHA and CTS-nBG scaffolds shown good mineralization behavior in simulated body fluid (SBF). The CTS-nHA scaffolds exhibited enhanced compressive strength and elastic modulus compared with the CTS-nBG sample. The cell culture experiment revealed that fabricated scaffolds had good compatibility with fibroblast cells (L929, ATCC) and MG-63 which are able to adhere, proliferate, and migrate through the porous structure. All the obtained results clearly recommend that pre-loaded hydroxyapatite and bioglass nanoparticles can enhance the apatite formation. The scaffolds with chitosan, bioglass, and hydroxyapatite have better biomechanical characteristics and allow cell growth. Therefore, these scaffolds can be perfect candidates for various hard tissue engineering applications such as bone regeneration.
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Affiliation(s)
- Pawan Kumar
- Department of Materials Science and Nanotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, Haryana, India
| | - Meenu Saini
- Department of Materials Science and Nanotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, Haryana, India
| | - Brijnandan S Dehiya
- Department of Materials Science and Nanotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, Haryana, India.
| | - Ahmad Umar
- Department of Chemistry, Faculty of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Saudi Arabia.
| | - Anil Sindhu
- Department of Biotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, 131039, Haryana, India
| | - Hiba Mohammed
- Department of Health Sciences, Università del Piemonte Orientale UPO, 28100 Novara, Italy; Fondazione Novara Sviluppo, 28100 Novara, Italy
| | - Yas Al-Hadeethi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Zhanhu Guo
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, TN 37996, USA
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Nga NK, Thanh Tam LT, Ha NT, Hung Viet P, Huy TQ. Enhanced biomineralization and protein adsorption capacity of 3D chitosan/hydroxyapatite biomimetic scaffolds applied for bone-tissue engineering. RSC Adv 2020; 10:43045-43057. [PMID: 35514933 PMCID: PMC9058216 DOI: 10.1039/d0ra09432c] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 11/12/2020] [Indexed: 12/22/2022] Open
Abstract
This work presents the enhanced biomineralization and protein adsorption capacity of 3D chitosan/hydroxyapatite (CS/HAp) biomimetic scaffolds synthesized from natural sources applied for bone-tissue engineering (BTE).
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Affiliation(s)
- Nguyen Kim Nga
- School of Chemical Engineering
- Hanoi University of Science and Technology
- Hanoi
- Vietnam
| | - Lai Thi Thanh Tam
- School of Chemical Engineering
- Hanoi University of Science and Technology
- Hanoi
- Vietnam
| | - Nguyen Thu Ha
- School of Chemical Engineering
- Hanoi University of Science and Technology
- Hanoi
- Vietnam
| | - Pham Hung Viet
- Research Center for Environmental Technology and Sustainable Development
- Hanoi University of Science
- Hanoi
- Vietnam
| | - Tran Quang Huy
- Phenikaa University Nano Institute (PHENA)
- Phenikaa University
- Hanoi 12116
- Vietnam
- Faculty of Electrical and Electronic Engineering
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Yuan WX, Wang XX, Zheng DH, Ma D, Cui Q, Yang F, Zhang J. Muscone Promotes The Adipogenic Differentiation Of Human Gingival Mesenchymal Stem Cells By Inhibiting The Wnt/β-Catenin Signaling Pathway. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:3291-3306. [PMID: 31571831 PMCID: PMC6756161 DOI: 10.2147/dddt.s220970] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Accepted: 09/06/2019] [Indexed: 12/22/2022]
Abstract
Objectives This study was performed to evaluate the effects of muscone on the proliferation, migration and differentiation of human gingival mesenchymal stem cells (GMSCs) and to explore the relevant mechanisms. Materials and methods We performed studies to determine the effects and mechanisms of muscone on GMSC proliferation, migration and differentiation. We conducted CCK-8, colony formation, transwell chamber, scratch wound, alkaline phosphatase (ALP) staining and activity, and alizarin red and oil red O staining assays, as well as real-time quantitative polymerase chain reaction (qRT-PCR), to ascertain the effects of muscone on GMSC proliferation, migration and differentiation in vitro. The mechanism by which muscone influences the osteogenic and adipogenic differentiation of GMSCs was elucidated by qRT-PCR and Western blotting. Results We found that muscone significantly promoted GMSC proliferation, chemotaxis, wound healing and fat droplet formation and inhibited ALP activity and mineral deposition. Notably, we observed that the Wnt/β-catenin pathway was closely related to the ability of muscone to inhibit the osteogenic differentiation and promote the adipogenic differentiation of GMSCs. The effect of muscone on the multidirectional differentiation capacity of GMSCs was significantly reversed by the agonist lithium chloride through the Wnt/β-catenin signaling pathway. Conclusion Muscone effectively increased the proliferation and migration, promoted the adipogenic differentiation and inhibited the osteogenic differentiation of GMSCs by inhibiting the Wnt/β-catenin signaling pathway. These results may provide a theoretical basis for the application of GMSCs and muscone in tissue engineering and regenerative medicine.
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Affiliation(s)
- Wen-Xiu Yuan
- Department of Orthodontics, School and Hospital of Stomatology, Shandong University and Shandong Provincial Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong Province, People's Republic of China
| | - Xu-Xia Wang
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Shandong University and Shandong Provincial Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong Province, People's Republic of China
| | - De-Hua Zheng
- Department of Orthodontics, School and Hospital of Stomatology, Shandong University and Shandong Provincial Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong Province, People's Republic of China
| | - Dan Ma
- Department of Orthodontics, School and Hospital of Stomatology, Shandong University and Shandong Provincial Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong Province, People's Republic of China
| | - Qun Cui
- Department of Orthodontics, School and Hospital of Stomatology, Shandong University and Shandong Provincial Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong Province, People's Republic of China
| | - Fan Yang
- Department of Orthodontics, School and Hospital of Stomatology, Shandong University and Shandong Provincial Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong Province, People's Republic of China
| | - Jun Zhang
- Department of Orthodontics, School and Hospital of Stomatology, Shandong University and Shandong Provincial Key Laboratory of Oral Tissue Regeneration and Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong Province, People's Republic of China
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11
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Saber-Samandari S, Mohammadi-Aghdam M, Saber-Samandari S. A novel magnetic bifunctional nanocomposite scaffold for photothermal therapy and tissue engineering. Int J Biol Macromol 2019; 138:810-818. [PMID: 31351955 DOI: 10.1016/j.ijbiomac.2019.07.145] [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: 05/27/2019] [Revised: 07/14/2019] [Accepted: 07/24/2019] [Indexed: 12/23/2022]
Abstract
In recent years, porous bifunctional scaffolds with hyperthermal and tissue regeneration functions play an essential role in the efficient cancerous bone tumors treatment. In this work, the nanocomposite scaffolds of gelatin (polymer phase) and akermanite (ceramic phase) were prepared by entrapping carboxyl-functionalized multi-walled carbon nanotube (MWNT) and embedding magnetic nanoparticles of iron oxide into the porous matrix as photothermal conversion agents. The obtained scaffolds and their components were characterized using FTIR, FESEM, TEM, EDS, DLS, and VSM analysis. The mechanical properties of the prepared scaffolds were also investigated. The swelling behavior of the scaffolds in PBS as well as biodegradation and protein adsorption capability were evaluated. The addition of nanoparticles into the gelatin/akermanite matrix efficiently increased the adsorption of bovine serum albumin on the surface of the composite scaffold and contrarily decreased its degradation rate in the presence of lysozyme. The prepared scaffolds exhibited a high photothermal performance using NIR laser with different power intensity and irradiation time. Finally, the biocompatibility of the scaffold was confirmed using G292 osteoblastic cells through MTT assays. It can therefore be concluded that synthesized scaffolds have a great potential in bone tissue engineering and probably treatment of tumor related bone defects.
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12
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Granel H, Bossard C, Collignon AM, Wauquier F, Lesieur J, Rochefort GY, Jallot E, Lao J, Wittrant Y. Bioactive Glass/Polycaprolactone Hybrid with a Dual Cortical/Trabecular Structure for Bone Regeneration. ACS APPLIED BIO MATERIALS 2019; 2:3473-3483. [DOI: 10.1021/acsabm.9b00407] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Henri Granel
- Human Nutrition Unit, UMR1019, INRA Research Center, Theix 63122, France
| | - Cédric Bossard
- Laboratoire de Physique de Clermont-Ferrand, 4 Avenue Blaise Pascal, Aubiere 80026−63177, France
| | - Anne-Margaux Collignon
- Faculté de Chirurgie Dentaire, Paris Descartes, EA2496, Laboratoires Pathologies, Imagerie et Biothérapies Orofaciales, 1 rue Maurice Arnoux, Montrouge 92120, France
| | - Fabien Wauquier
- Human Nutrition Unit, UMR1019, INRA Research Center, Theix 63122, France
| | - Julie Lesieur
- Faculté de Chirurgie Dentaire, Paris Descartes, EA2496, Laboratoires Pathologies, Imagerie et Biothérapies Orofaciales, 1 rue Maurice Arnoux, Montrouge 92120, France
| | - Gael Y Rochefort
- Faculté de Chirurgie Dentaire, Paris Descartes, EA2496, Laboratoires Pathologies, Imagerie et Biothérapies Orofaciales, 1 rue Maurice Arnoux, Montrouge 92120, France
| | - Edouard Jallot
- Laboratoire de Physique de Clermont-Ferrand, 4 Avenue Blaise Pascal, Aubiere 80026−63177, France
| | - Jonathan Lao
- Laboratoire de Physique de Clermont-Ferrand, 4 Avenue Blaise Pascal, Aubiere 80026−63177, France
| | - Yohann Wittrant
- Human Nutrition Unit, UMR1019, INRA Research Center, Theix 63122, France
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13
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Chen L, Childs RD, Landis WJ. Correlations between gene expression and mineralization in the avian leg tendon. Bone 2019; 121:42-59. [PMID: 30419319 DOI: 10.1016/j.bone.2018.11.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 11/02/2018] [Accepted: 11/07/2018] [Indexed: 10/27/2022]
Abstract
Certain avian tendons have been studied previously as a model system for normal mineralization of vertebrates in general. In this regard, the gastrocnemius tendon in the legs of turkeys mineralizes in a well defined temporal and spatial manner such that changes in the initial and subsequent events of mineral formation can be associated with time and specific locations in the tissue. In the present investigation, these parameters and mineral deposition have been correlated with the expression of several genes and the synthesis and secretion of their related extracellular matrix proteins by the composite tenocytes of the tendon. Quantitative polymerase chain reaction analysis demonstrates that mRNA expression of the non-collagenous genes of bone sialoprotein, osteopontin, and osteocalcin corresponds well with the temporal and spatial onset and progression of mineralization. Immunolocalization separately confirms the synthesis and secretion of these matrix molecules. The expression of other non-collagenous genes such as decorin does not show strong correlation with turkey leg tendon mineralization, and expression of vimentin, a cytoskeletal component which may be regulated by biomechanical factors in the tendon, may lead to inhibition of osteocalcin expression during the development and mineralization of the tissue. The overall results of this work provide insight into direct temporal and spatial relations between the genes and proteins of interest as well as the formation and deposition of mineral in the avian tendon model.
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Affiliation(s)
- Ling Chen
- Department of Polymer Science, University of Akron, Akron, OH, USA
| | | | - William J Landis
- Department of Polymer Science, University of Akron, Akron, OH, USA.
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14
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Griffanti G, Jiang W, Nazhat SN. Bioinspired mineralization of a functionalized injectable dense collagen hydrogel through silk sericin incorporation. Biomater Sci 2019; 7:1064-1077. [DOI: 10.1039/c8bm01060a] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The incorporation of silk sericin into injectable dense collagen hydrogels represents a powerful approach to mimic the biomineralization process, together with the osteogenic stimulation of seeded mesenchymal stem cells, in vitro.
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Affiliation(s)
- Gabriele Griffanti
- Department of Mining and Materials Engineering
- McGill University
- Montréal
- Canada
| | - Wenge Jiang
- Department of Mining and Materials Engineering
- McGill University
- Montréal
- Canada
| | - Showan N. Nazhat
- Department of Mining and Materials Engineering
- McGill University
- Montréal
- Canada
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15
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Griffanti G, James-Bhasin M, Donelli I, Freddi G, Nazhat SN. Functionalization of silk fibroin through anionic fibroin derived polypeptides. Biomed Mater 2018; 14:015006. [DOI: 10.1088/1748-605x/aae745] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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16
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Jeong SH, Lee JE, Jin SH, Ko Y, Park JB. Effect of Asiasari radix on osteoblastic differentiation of stem cells derived from gingiva. J TRADIT CHIN MED 2018; 36:756-9. [PMID: 29949708 DOI: 10.1016/s0254-6272(17)30011-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVE To examine the dose-dependent impact of Asiasari Radix (A. radix) on the cell viability,
differentiation and mineralization of stem cells derived from gingiva. METHODS Stem cells that were derived from gingiva were grown in the presence of A. radix at final
concentrations that ranged from 0.001 to 10 μg/mL. The morphology of the cells was viewed under
an inverted microscope and the analysis of cell proliferation was performed by using Cell Counting
Kit-8 (CCK-8) on day 1. The alkaline phosphatase activity test was used to assess differentiation and
Alizarin red S staining was used to assess mineralization of treated cells. RESULTS The control group showed spindleshaped, fibroblast-like morphology and the shapes of the cells in 0.001, 0.01, 0.1, 1 and 10 μg/mL of A. radix were similar to that of the control group at
day 1. The cultures growing in the presence of 0.001 μg/mL of A. radix at day 1 showed an increase
in the CCK-8 value (P < 0.05). Cultures growing in the presence of 0.001 μg/mL of A. radix presented
the highest value for alkaline phosphatase activity (P > 0.05). Mineralized extracellular deposits
were observed after Alizarin Red S staining and the cultures grown in the presence of 0.001 μg/mL
of A. radix showed the highest value for quantitative results for bound dye (P < 0.05). CONCLUSION Within the limits of this study, A. radix influenced the proliferation of stem cells derived
from the gingiva and low concentrations of A. radix might enhance osteogenic differentiation of the stem cells.
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17
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Covarrubias C, Cádiz M, Maureira M, Celhay I, Cuadra F, von Marttens A. Bionanocomposite scaffolds based on chitosan-gelatin and nanodimensional bioactive glass particles: In vitro properties and in vivo bone regeneration. J Biomater Appl 2018; 32:1155-1163. [PMID: 29451421 DOI: 10.1177/0885328218759042] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Bone repair bionanocomposite scaffolds were produced by incorporating dense bioactive glass nanoparticles or mesoporous bioactive glass nanospheres into a chitosan-gelatin polymer blend. The in vitro bioactivity of the scaffolds was assessed in simulated body fluid, and cell viability and osteogenic differentiation assays were performed with dental pulp stem cells. Bone regeneration properties of the scaffold materials were in vivo assessed by using a critical-sized femoral defect model in rat. The scaffold nanocomposites showed excellent cytocompatibility and ability to accelerate the crystallization of bone-like apatite in vitro. Bionanocomposites prepared with bioactive glass nanoparticles were particularly more active to promote the osteogenic differentiation of dental pulp stem cells as judged by the higher activity of alkaline phosphatase. This result is attributed to the faster dissolution of bioactive glass nanoparticles into osteogenic ionic products compared to mesoporous bioactive glass nanospheres. In vivo experiments demonstrated that bioactive glass nanoparticles (5%)/chitosan-gelatin bionanocomposite significantly produces the highest amount of new bone (∼80%) in the defect area after eight weeks of implantation. The bone regeneration capacity exhibited by the scaffolds formulated with nanodimensional bioactive glass particles make them attractive for bone reconstruction applications.
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Affiliation(s)
- Cristian Covarrubias
- Laboratory of Nanobiomaterials, ICOD, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Monserrat Cádiz
- Laboratory of Nanobiomaterials, ICOD, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Miguel Maureira
- Laboratory of Nanobiomaterials, ICOD, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Isabel Celhay
- Laboratory of Nanobiomaterials, ICOD, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Felipe Cuadra
- Laboratory of Nanobiomaterials, ICOD, Faculty of Dentistry, University of Chile, Santiago, Chile
| | - Alfredo von Marttens
- Laboratory of Nanobiomaterials, ICOD, Faculty of Dentistry, University of Chile, Santiago, Chile
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18
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Zhou K, Ren X, Zhao M, Mei X, Zhang P, Chen Z, Zhu X. Promoting proliferation and differentiation of BMSCs by green tea polyphenols functionalized porous calcium phosphate. Regen Biomater 2018; 5:35-41. [PMID: 29423266 PMCID: PMC5798040 DOI: 10.1093/rb/rbx031] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 11/13/2017] [Accepted: 11/17/2017] [Indexed: 01/19/2023] Open
Abstract
In this article, we proposed a facile protocol to functionalize porous calcium phosphate ceramics (PCPC) using dietary tea polyphenols (TP). TP molecules was attracted and anchored by Ca2+ ions from the surface of CPC. These TP molecules modulated the nucleation and crystallization of calcium phosphate nanorods assemblies on the surface of PCPC. Our results prove that these calcium phosphate nanorods assemblies accompanies functional groups of TP make PCPC/TP effectively promote proliferation and differentiation of bone mesenchymal stem cells (BMSCs). We inferred that these calcium phosphate nanorods assemblies might change the surface microenvironment of PCPC, which is critical to promote the proliferation and differentiation of BMSCs. Compared with naked PCPC, PCPC/TP obviously increased BMP2, ErK/MAPK and JNK/MAPK level and mineralization capacity of cells (ALP level).
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Affiliation(s)
- Kang Zhou
- Jinzhou Medical University, Jinzhou 121001, People’s Republic of China and
| | - Xiuli Ren
- Jinzhou Medical University, Jinzhou 121001, People’s Republic of China and
| | - Mengen Zhao
- Jinzhou Medical University, Jinzhou 121001, People’s Republic of China and
| | - Xifan Mei
- Jinzhou Medical University, Jinzhou 121001, People’s Republic of China and
| | - Peng Zhang
- Jinzhou Medical University, Jinzhou 121001, People’s Republic of China and
| | - Zhenhua Chen
- Jinzhou Medical University, Jinzhou 121001, People’s Republic of China and
| | - Xiangdong Zhu
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, People’s Republic of China
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19
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Effects of water extracts of Davallia formosana on ovariectomized mice. CHINESE HERBAL MEDICINES 2018. [DOI: 10.1016/j.chmed.2018.01.001] [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] Open
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20
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Dawood AE, Manton DJ, Parashos P, Wong RH, Singleton W, Holden JA, O'Brien-Simpson NM, Reynolds EC. Biocompatibility and Osteogenic/Calcification Potential of Casein Phosphopeptide-amorphous Calcium Phosphate Fluoride. J Endod 2017; 44:452-457. [PMID: 29275851 DOI: 10.1016/j.joen.2017.11.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 09/15/2017] [Accepted: 11/05/2017] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) and CPP-ACP with fluoride (CPP-ACFP) have been shown to provide bioavailable ions to promote mineralization. Hence, the aim of this study was to evaluate the materials' biocompatibility and osteogenic/calcification potential for endodontic applications. METHODS Human and mouse osteoblast-like and fibroblast-like cell lines were incubated with 0.05%-3.0% w/v CPP-ACP and CPP-ACFP, and toxicity, proliferation, alkaline phosphatase, interleukin (IL)-1α, and IL-6 production, collagen type I, osteocalcin, and osteopontin production, and mineralization/calcification were determined. RESULTS CPP-ACP and CPP-ACFP were non-toxic and had no significant effect on proliferation or production of the inflammatory cytokine IL-1α. Alkaline phosphatase activity of the osteoblast-like cells was significantly increased (P < .05) by CPP-ACP and CPP-ACFP, as was the production of the osteotropic cytokine IL-6, the formation of calcium mineral deposits, and the secretion of mineralization-related proteins (collagen type I and osteocalcin). CONCLUSIONS CPP-ACP and CPP-ACFP are biocompatible and have the potential to induce osteoblastic differentiation and mineralization. Potential applications include apexification, perforation repair, vital pulp therapy, and regenerative endodontic procedures.
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Affiliation(s)
- Alaa E Dawood
- Melbourne Dental School, Oral Health CRC, Bio21 Institute, The University of Melbourne, Melbourne, Australia
| | - David J Manton
- Melbourne Dental School, Oral Health CRC, Bio21 Institute, The University of Melbourne, Melbourne, Australia
| | - Peter Parashos
- Melbourne Dental School, Oral Health CRC, Bio21 Institute, The University of Melbourne, Melbourne, Australia
| | - Rebecca H Wong
- Melbourne Dental School, Oral Health CRC, Bio21 Institute, The University of Melbourne, Melbourne, Australia
| | - William Singleton
- Melbourne Dental School, Oral Health CRC, Bio21 Institute, The University of Melbourne, Melbourne, Australia
| | - James A Holden
- Melbourne Dental School, Oral Health CRC, Bio21 Institute, The University of Melbourne, Melbourne, Australia
| | - Neil M O'Brien-Simpson
- Melbourne Dental School, Oral Health CRC, Bio21 Institute, The University of Melbourne, Melbourne, Australia
| | - Eric C Reynolds
- Melbourne Dental School, Oral Health CRC, Bio21 Institute, The University of Melbourne, Melbourne, Australia.
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21
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Bhuiyan DB, Middleton JC, Tannenbaum R, Wick TM. Bone regeneration from human mesenchymal stem cells on porous hydroxyapatite-PLGA-collagen bioactive polymer scaffolds. Biomed Mater Eng 2017; 28:671-685. [DOI: 10.3233/bme-171703] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Didarul B. Bhuiyan
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | | | - Rina Tannenbaum
- Department of Materials Science and Engineering, Program in Chemical and Molecular Engineering, Stony Brook University, Stony Brook, NY 11794, USA
| | - Timothy M. Wick
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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22
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Iqbal H, Ali M, Zeeshan R, Mutahir Z, Iqbal F, Nawaz MAH, Shahzadi L, Chaudhry AA, Yar M, Luan S, Khan AF, Rehman IU. Chitosan/hydroxyapatite (HA)/hydroxypropylmethyl cellulose (HPMC) spongy scaffolds-synthesis and evaluation as potential alveolar bone substitutes. Colloids Surf B Biointerfaces 2017; 160:553-563. [PMID: 29024920 DOI: 10.1016/j.colsurfb.2017.09.059] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 09/08/2017] [Accepted: 09/29/2017] [Indexed: 01/27/2023]
Abstract
Alveolar bone loss is associated with infections and its augmentation is a pre-requisite for the success of dental implants. In present study, we aim to develop and evaluate novel freeze dried doxycycline loaded chitosan (CS)/hydroxyapatite (HA) spongy scaffolds where hydroxypropylmethyl cellulose (HPMC) was added as a crosslinker. Scaffolds displayed compressive strength of 14MPa/cm3 and 0.34 as elastic response. The interconnected pore diameter was 41-273μm, favorably provided the template supporting cells and transport. An overall 10% degradation was seen after 14day's studies at pH 7.4 in PBS. Doxycycline hyclate, a frequently used drug to counter oral infections, demonstrated an initial burst release (6-8h), followed by a sustain release profile for the remaining 64h. CS/HA/HPMC scaffolds were nontoxic and promoted pre-osteoblast cell viability as seen with live/dead calcein staining after 24h where scaffolds with 10% and 25% HPMC by weight of scaffold had more viable cells. Scaffolds with 10%, 20% and 25% HPMC by weight of scaffold showed efficient cellular adhesion as seen in scanning electron microscopy images (day 8) indicating that pre-osteoblast cells were able to adhere well on the surface and into the porous structure via cytoplasmic extensions. Hoechst 33258 nuclear staining at day 2 and 8 indicated cell proliferation which was further supported byMTT assay at day 2, 4 and 8. Although all scaffolds supported pre-osteoblast cell viability, alkaline phosphatase (ALP) staining demonstrated that upon induction, differentiation was pronounced in case of scaffolds with 10% HMPC scaffolds. Conclusively, these materials having all the required mechanical and biological properties are potential candidates for alveolar bone regeneration.
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Affiliation(s)
- Haffsah Iqbal
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Moazzam Ali
- Institute of Biochemistry and Biotechnology, University of the Punjab, 54590 Lahore, Pakistan
| | - Rabia Zeeshan
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Zeeshan Mutahir
- Institute of Biochemistry and Biotechnology, University of the Punjab, 54590 Lahore, Pakistan
| | - Farasat Iqbal
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Muhammad Azhar Hayat Nawaz
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Lubna Shahzadi
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Aqif Anwar Chaudhry
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Muhammad Yar
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan
| | - Shifang Luan
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Ather Farooq Khan
- Interdisciplinary Research Centre in Biomedical Materials, COMSATS Institute of Information Technology, Defence Road, Off Raiwind Road, Lahore, 54000, Pakistan.
| | - Ihtesham-Ur Rehman
- The Kroto Research Institute, North Campus, University of Sheffield, Broad Lane, Sheffield, S3 7HQ, UK
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23
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Lim SS, Chai CY, Loh HS. In vitro evaluation of osteoblast adhesion, proliferation and differentiation on chitosan-TiO 2 nanotubes scaffolds with Ca 2+ ions. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 76:144-152. [PMID: 28482510 DOI: 10.1016/j.msec.2017.03.075] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 01/06/2017] [Accepted: 03/10/2017] [Indexed: 11/27/2022]
Abstract
Hydrothermally synthesized TiO2 nanotubes (TNTs) were first used as a filler for chitosan scaffold for reinforcement purpose. Chitosan-TNTs (CTNTs) scaffolds prepared via direct blending and freeze drying retained cylindrical structure and showed enhanced compressive modulus and reduced degradation rate compared to chitosan membrane which experienced severe shrinkage after rehydration with ethanol. Macroporous interconnectivity with pore size of 70-230μm and porosity of 88% were found in CTNTs scaffolds. Subsequently, the functionalization of CTNTs scaffolds with CaCl2 solutions (0.5mM-40.5mM) was conducted at physiological pH. The adsorption isotherm of Ca2+ ions onto CTNTs scaffolds fitted well with Freundlich isotherm. CTNTs scaffolds with Ca2+ ions showed high biocompatibility by promoting adhesion, proliferation and early differentiation of MG63 in a non-dose dependent manner. CTNTs scaffolds with Ca2+ ions can be an alternative for bone regeneration.
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Affiliation(s)
- Siew Shee Lim
- Department of Chemical with Environmental Engineering, Faculty of Engineering, University of Nottingham Malaysia Campus, Jalan Broga, 43500 Semenyih, Selangor Darul Ehsan, Malaysia.
| | - Chun Ye Chai
- School of Biosciences, Faculty of Science, University of Nottingham Malaysia Campus, Jalan Broga, 43500 Semenyih, Selangor Darul Ehsan, Malaysia
| | - Hwei-San Loh
- School of Biosciences, Faculty of Science, University of Nottingham Malaysia Campus, Jalan Broga, 43500 Semenyih, Selangor Darul Ehsan, Malaysia; Biotechnology Research Centre, University of Nottingham Malaysia Campus, Jalan Broga, 43500 Semenyih, Selangor Darul Ehsan, Malaysia.
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24
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Felgueiras HP, Decambron A, Manassero M, Tulasne L, Evans MDM, Viateau V, Migonney V. Bone tissue response induced by bioactive polymer functionalized Ti6Al4V surfaces: In vitro and in vivo study. J Colloid Interface Sci 2016; 491:44-54. [PMID: 28012912 DOI: 10.1016/j.jcis.2016.12.023] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 12/13/2016] [Accepted: 12/14/2016] [Indexed: 11/18/2022]
Abstract
Ti6Al4V is commonly used for orthopedic applications. This study was designed to test the potentially added benefit of Ti6Al4V functionalized with a bioactive polymer poly(sodium styrene sulfonate) both in vitro and in vivo. Cell-based assays with MC3T3-E1 osteoblast-like cells were used to measure the cell adhesion strength, cell spreading, focal contact formation, cell differentiation and the mineralization of extracellular matrix on grafted and ungrafted Ti6Al4V discs in combination with FBS and collagen type I. Bone morphogenetic protein-2 (BMP-2) was also included in the cell differentiation assay. Results showed that the grafted surface combined with collagen I gave superior levels in every parameter tested with cell-based assays and was almost equivalent to BMP-2 for cell differentiation. In vivo testing was conducted in rabbits (n=42) with cylinders of grafted and ungrafted Ti6Al4V implanted in defects made to the femoral and lateral condyles and animals that were maintained to 1, 3 and 12months. Hydroxyapatite coated Ti6Al4V cylinders were included as a clinical reference control. Osseointegration was assessed post-mortem using histomorphometric analysis conducted on resin sections of explanted undecalcified bone. Two histomorphometric parameters, that of bone-to-implant contact and the bone area, were analyzed by a trained observer blinded to sample identity. Results showed osseointegration on grafted Ti6Al4V was marginally better than both ungrafted and hydroxyapatite coated Ti6Al4V. Overall, the study found that the grafted Ti6Al4V significantly promoted all aspects of osteogenesis tested in vitro and, although in vivo outcomes were less compelling, histomorphometry showed osseointegration of grafted Ti6Al4V implants was equivalent or better than controls.
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Affiliation(s)
- Helena P Felgueiras
- Laboratory of Biomaterials and Polymers of Specialty, LBPS-CSPBAT CNRS UMR 7244, Université Paris 13, Sorbonne Paris Cité, 93430 Villetaneuse, France.
| | - Adeline Decambron
- Laboratoire de Bioingénierie et Bioimagerie Ostéo-articulaires (B2OA), UMR 7052, Université Paris Diderot, 75010 Paris, France; École Nationale Vétérinaire d'Alfort, Service de Chirurgie, Université Paris Est, 94700 Maisons-Alfort, France
| | - Mathieu Manassero
- Laboratoire de Bioingénierie et Bioimagerie Ostéo-articulaires (B2OA), UMR 7052, Université Paris Diderot, 75010 Paris, France; École Nationale Vétérinaire d'Alfort, Service de Chirurgie, Université Paris Est, 94700 Maisons-Alfort, France
| | - Louise Tulasne
- École Nationale Vétérinaire d'Alfort, Service de Chirurgie, Université Paris Est, 94700 Maisons-Alfort, France
| | - Margaret D M Evans
- CSIRO Biomedical Materials Program, 11 Julius Avenue, North Ride, Sydney, NSW 2113, Australia
| | - Véronique Viateau
- Laboratoire de Bioingénierie et Bioimagerie Ostéo-articulaires (B2OA), UMR 7052, Université Paris Diderot, 75010 Paris, France; École Nationale Vétérinaire d'Alfort, Service de Chirurgie, Université Paris Est, 94700 Maisons-Alfort, France
| | - Véronique Migonney
- Laboratory of Biomaterials and Polymers of Specialty, LBPS-CSPBAT CNRS UMR 7244, Université Paris 13, Sorbonne Paris Cité, 93430 Villetaneuse, France
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Adhikari U, Rijal NP, Khanal S, Pai D, Sankar J, Bhattarai N. Magnesium incorporated chitosan based scaffolds for tissue engineering applications. Bioact Mater 2016; 1:132-139. [PMID: 29744402 PMCID: PMC5883957 DOI: 10.1016/j.bioactmat.2016.11.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 11/11/2016] [Accepted: 11/14/2016] [Indexed: 11/30/2022] Open
Abstract
Chitosan based porous scaffolds are of great interest in biomedical applications especially in tissue engineering because of their excellent biocompatibility in vivo, controllable degradation rate and tailorable mechanical properties. This paper presents a study of the fabrication and characterization of bioactive scaffolds made of chitosan (CS), carboxymethyl chitosan (CMC) and magnesium gluconate (MgG). Scaffolds were fabricated by subsequent freezing-induced phase separation and lyophilization of polyelectrolyte complexes of CS, CMC and MgG. The scaffolds possess uniform porosity with highly interconnected pores of 50–250 μm size range. Compressive strengths up to 400 kPa, and elastic moduli up to 5 MPa were obtained. The scaffolds were found to remain intact, retaining their original three-dimensional frameworks while testing in in-vitro conditions. These scaffolds exhibited no cytotoxicity to 3T3 fibroblast and osteoblast cells. These observations demonstrate the efficacy of this new approach to preparing scaffold materials suitable for tissue engineering applications. Chitosan-magnesium-based composite scaffolds successfully synthesized. Uniformly distributed 3D networks, stable in cell culture medium with pore size in the range of 50–250 μm obtained. Compressive strengths up to 400 kPa and elastic moduli up to 5 MPa obtained. No cytotoxicity observed with 3T3 fibroblast cells.
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Affiliation(s)
- Udhab Adhikari
- Department of Mechanical Engineering, North Carolina A&T State University, Greensboro, NC, USA
- NSF ERC for Revolutionizing Metallic Biomaterials, North Carolina A&T State University, Greensboro, NC, USA
| | - Nava P. Rijal
- Department of Chemical, Biological and Bioengineering, North Carolina A&T State University, Greensboro, NC, USA
- NSF ERC for Revolutionizing Metallic Biomaterials, North Carolina A&T State University, Greensboro, NC, USA
| | - Shalil Khanal
- Department of Energy and Environmental Systems, North Carolina A&T State University, Greensboro, NC, USA
- NSF ERC for Revolutionizing Metallic Biomaterials, North Carolina A&T State University, Greensboro, NC, USA
| | - Devdas Pai
- Department of Mechanical Engineering, North Carolina A&T State University, Greensboro, NC, USA
- NSF ERC for Revolutionizing Metallic Biomaterials, North Carolina A&T State University, Greensboro, NC, USA
| | - Jagannathan Sankar
- Department of Mechanical Engineering, North Carolina A&T State University, Greensboro, NC, USA
- NSF ERC for Revolutionizing Metallic Biomaterials, North Carolina A&T State University, Greensboro, NC, USA
| | - Narayan Bhattarai
- Department of Chemical, Biological and Bioengineering, North Carolina A&T State University, Greensboro, NC, USA
- NSF ERC for Revolutionizing Metallic Biomaterials, North Carolina A&T State University, Greensboro, NC, USA
- Corresponding author. Department of Chemical, Biological and Bioengineering, North Carolina A&T State University, Greensboro, NC, USA.
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Influence of co-culture on osteogenesis and angiogenesis of bone marrow mesenchymal stem cells and aortic endothelial cells. Microvasc Res 2016; 108:1-9. [DOI: 10.1016/j.mvr.2016.06.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 05/11/2016] [Accepted: 06/27/2016] [Indexed: 11/20/2022]
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Casati L, Pagani F, Braga PC, Lo Scalzo R, Sibilia V. Nasunin, a new player in the field of osteoblast protection against oxidative stress. J Funct Foods 2016. [DOI: 10.1016/j.jff.2016.03.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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Muthusami S, Gopalakrishnan V, Stanley JA, Krishnamoorthy S, Ilangovan R, Gopalakrishnan VK, Srinivasan N. Cissus quadrangularis prevented the ovariectomy induced oxidative stress in the femur of adult albino rats. Biomed Pharmacother 2016; 81:416-423. [PMID: 27261621 DOI: 10.1016/j.biopha.2016.04.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 04/08/2016] [Accepted: 04/08/2016] [Indexed: 11/25/2022] Open
Abstract
UNLABELLED The increasing evidence suggesting the role of free radicals in bone resorption and bone loss prompted us to explore whether the consumption of antioxidant rich medicinal plant C. quadrangularis modifies antioxidant status in ovariectomized rats. METHODS Twenty four female adult rats, 90days old showing regular estrous cycles were used for the present study. The animals were divided into two groups. The Group-1 rats (n=6) were sham operated and Group-II rats were bilaterally ovariectomized (n=18) and treated with C. quadrangularis for sixty days (100mg/kg body weight and 250mg/kg body weight). After sixty days, the rats were killed, femora were dissected out, minced and homogenized in Tris-HCl buffer (pH 7.4) and the supernatant was collected and used for biochemical assays. RESULTS Ovariectomy registered a decrease (p<0.05) in the activities of SOD, GPx, GST, ALP, collagen content and increased (p<0.05) the activities of TRAP and lipid peroxidation. Simultaneous administration of C. quadrangularis maintained the enzyme activities in ovariectomized rats. CONCLUSION C. quadrangularis, a natural herb may be used to treat the estrogen deficiency/menopause onset and ovariectomy induced oxidative stress.
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Affiliation(s)
- Sridhar Muthusami
- Department of Biochemistry, Karpagam University, Eachanari, Coimbatore, Tamilnadu 641021, India; Department of Endocrinology, Dr. ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani campus, Chennai, 600113, India.
| | - Vasudevan Gopalakrishnan
- Department of Endocrinology, Dr. ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani campus, Chennai, 600113, India
| | - Jone A Stanley
- Department of Endocrinology, Dr. ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani campus, Chennai, 600113, India; Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA
| | - Senthilkumar Krishnamoorthy
- Department of Endocrinology, Dr. ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani campus, Chennai, 600113, India
| | - Ramachandran Ilangovan
- Department of Endocrinology, Dr. ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani campus, Chennai, 600113, India
| | | | - Narasimhan Srinivasan
- Department of Endocrinology, Dr. ALM Post Graduate Institute of Basic Medical Sciences, University of Madras, Taramani campus, Chennai, 600113, India; Faculty of Allied Health Sciences, Chettinad University, Kelambakkam, Chennai 603103, India.
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Cao Z, Liu D, Zhang Q, Sun X, Li Y. Aluminum Chloride Induces Osteoblasts Apoptosis via Disrupting Calcium Homeostasis and Activating Ca(2+)/CaMKII Signal Pathway. Biol Trace Elem Res 2016; 169:247-53. [PMID: 26138010 DOI: 10.1007/s12011-015-0417-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Accepted: 06/17/2015] [Indexed: 12/16/2022]
Abstract
Aluminum promotes osteoblast (OB) apoptosis. Apoptosis is induced by the disordered calcium homeostasis. Therefore, to investigate the relationship between Al-induced OB apoptosis and calcium homeostasis, calvarium OBs from neonatal rats (3-4 days) were cultured and exposed to 0.048-mg/mL Al(3+) or 0.048-mg/mL Al(3+) combined with 5 μM BAPTA-AM (OBs were pretreated with 5 μM BAPTA-AM for 1 h, then added 0.048 mg/mL Al(3+)), respectively. Then OB apoptosis rate, intracellular calcium ions concentration ([Ca(2+)]i), mRNA expression level of calmodulin (CaM), and protein expression levels of CaM and p-CaMKII in OBs were examined. The result showed that AlCl3 increased OB apoptosis rate, and [Ca(2+)]i and p-CaMKII expression levels and decreased CaM expression levels, whereas BAPTA-AM relieved the effects. These results proved that AlCl3 induced OB apoptosis by disrupting the intracellular Ca(2+) homeostasis and activating the Ca(2+)/CaMKII signal pathway. Our findings can provide new insights for revealing the apoptosis mechanism of OBs exposed to AlCl3.
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Affiliation(s)
- Zheng Cao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Dawei Liu
- Heilongjiang Province Hospital, Harbin, 150036, China
- School Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, 150040, China
| | - Qiuyue Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Xudong Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Yanfei Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
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Reis AMS, Ocarino NDM, Boeloni JN, Gomes DA, Goes AM, Ferreira ADF, Serakides R. Inhibition of the osteogenic differentiation of mesenchymal stem cells derived from the offspring of rats treated with caffeine during pregnancy and lactation. Connect Tissue Res 2015; 57:131-42. [PMID: 26634797 DOI: 10.3109/03008207.2015.1117075] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Caffeine is an alkaloid that is widely consumed due to its presence in drugs, coffee, tea, and chocolate. This compound passes to offspring through the placenta and milk; can cause teratogenic mutations; and reduces the formation, growth, and mass of bone. Because mesenchymal stem cells (MSCs) are responsible for generating the entire skeleton, we hypothesized that these cells are targets of caffeine. This study evaluated the osteogenic differentiation of MSCs derived from the offspring of rats treated with caffeine during pregnancy and lactation. Twenty-four adult Wistar rats were randomly divided into four groups, including one control group and three experimental groups treated with 25, 50, or 100 mg/kg of caffeine. At weaning, three 21-day-old pups from each dam in each group were euthanized for extraction of bone marrow cells for in vitro tests. Caffeine doses of 50 and 100 mg/kg significantly reduced the activity of alkaline phosphatase at 7, 14, and 21 days and the expression of collagen I at 21 days. However, the expression of gene transcripts for alkaline phosphatase, Runx-2, and bone sialoprotein, as well as the synthesis of mineralization nodules, decreased significantly in all groups treated with caffeine. The expression of osteocalcin was significantly reduced only in the group treated with 50 mg/kg caffeine. The caffeine that passes from the mother to the offspring during pregnancy and lactation reduces the osteogenic differentiation of MSCs. We propose that this reduction in the osteogenic potential of MSCs may be involved in the pathogenesis of osteopenia resulting from caffeine consumption.
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Affiliation(s)
- Amanda Maria Sena Reis
- a Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária , Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Natália de Melo Ocarino
- a Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária , Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Jankerle Neves Boeloni
- a Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária , Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Dawidson Assis Gomes
- b Laboratório de Imunologia Celular e Biologia Molecular do Departamento de Bioquímica e Imunologia , Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Alfredo Miranda Goes
- b Laboratório de Imunologia Celular e Biologia Molecular do Departamento de Bioquímica e Imunologia , Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Andrea da Fonseca Ferreira
- b Laboratório de Imunologia Celular e Biologia Molecular do Departamento de Bioquímica e Imunologia , Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
| | - Rogéria Serakides
- a Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária , Universidade Federal de Minas Gerais , Belo Horizonte , Minas Gerais , Brazil
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Beier EE, Sheu TJ, Dang D, Holz JD, Ubayawardena R, Babij P, Puzas JE. Heavy Metal Ion Regulation of Gene Expression: MECHANISMS BY WHICH LEAD INHIBITS OSTEOBLASTIC BONE-FORMING ACTIVITY THROUGH MODULATION OF THE Wnt/β-CATENIN SIGNALING PATHWAY. J Biol Chem 2015; 290:18216-18226. [PMID: 25975268 DOI: 10.1074/jbc.m114.629204] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Indexed: 11/06/2022] Open
Abstract
Exposure to lead (Pb) from environmental sources remains an overlooked and serious public health risk. Starting in childhood, Pb in the skeleton can disrupt epiphyseal plate function, constrain the growth of long bones, and prevent attainment of a high peak bone mass, all of which will increase susceptibility to osteoporosis later in life. We hypothesize that the effects of Pb on bone mass, in part, come from depression of Wnt/β-catenin signaling, a critical anabolic pathway for osteoblastic bone formation. In this study, we show that depression of Wnt signaling by Pb is due to increased sclerostin levels in vitro and in vivo. Downstream activation of the β-catenin pathway using a pharmacological inhibitor of GSK-3β ameliorates the Pb inhibition of Wnt signaling activity in the TOPGAL reporter mouse. The effect of Pb was determined to be dependent on sclerostin expression through use of the SOST gene knock-out mice, which are resistant to Pb-induced trabecular bone loss and maintain their mechanical bone strength. Moreover, isolated bone marrow cells from the sclerostin null mice show improved bone formation potential even after exposure to Pb. Also, our data suggest that the TGFβ canonical signaling pathway is the mechanism by which Pb controls sclerostin production. Taken together these results support our hypothesis that the osteoporotic-like phenotype observed after Pb exposure is, in part, regulated through modulation of the Wnt/β-catenin pathway.
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Affiliation(s)
- Eric E Beier
- Center for Musculoskeletal Research, University of Rochester, School of Medicine and Dentistry, Rochester, New York, 14624; Department of Environmental Medicine, University of Rochester, School of Medicine and Dentistry, Rochester, New York, 14624
| | - Tzong-Jen Sheu
- Center for Musculoskeletal Research, University of Rochester, School of Medicine and Dentistry, Rochester, New York, 14624
| | - Deborah Dang
- Center for Musculoskeletal Research, University of Rochester, School of Medicine and Dentistry, Rochester, New York, 14624
| | - Jonathan D Holz
- Center for Musculoskeletal Research, University of Rochester, School of Medicine and Dentistry, Rochester, New York, 14624; Department of Environmental Medicine, University of Rochester, School of Medicine and Dentistry, Rochester, New York, 14624
| | - Resika Ubayawardena
- Center for Musculoskeletal Research, University of Rochester, School of Medicine and Dentistry, Rochester, New York, 14624
| | - Philip Babij
- Department of Metabolic Disorders, Amgen, Inc., Thousand Oaks, California 91320-1799
| | - J Edward Puzas
- Center for Musculoskeletal Research, University of Rochester, School of Medicine and Dentistry, Rochester, New York, 14624; Department of Environmental Medicine, University of Rochester, School of Medicine and Dentistry, Rochester, New York, 14624.
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Nabiyouni M, Ren Y, Bhaduri SB. Magnesium substitution in the structure of orthopedic nanoparticles: A comparison between amorphous magnesium phosphates, calcium magnesium phosphates, and hydroxyapatites. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 52:11-7. [PMID: 25953534 DOI: 10.1016/j.msec.2015.03.032] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Revised: 01/23/2015] [Accepted: 03/22/2015] [Indexed: 10/23/2022]
Abstract
As biocompatible materials, magnesium phosphates have received a lot of attention for orthopedic applications. During the last decade multiple studies have shown advantages for magnesium phosphate such as lack of cytotoxicity, biocompatibility, strong mechanical properties, and high biodegradability. The present study investigates the role of Mg(+2) and Ca(+2) ions in the structure of magnesium phosphate and calcium phosphate nanoparticles. To directly compare the effect of Mg(+2) and Ca(+2) ions on structure of nanoparticles and their biological behavior, three groups of nanoparticles including amorphous magnesium phosphates (AMPs) which release Mg(+2), calcium magnesium phosphates (CMPs) which release Mg(+2) and Ca(+2), and hydroxyapatites (HAs) which release Ca(+2) were studied. SEM, TEM, XRD, and FTIR were used to evaluate the morphology, crystallinity, and chemical properties of the particles. AMP particles were homogeneous nanospheres, whereas CMPs were combinations of heterogeneous nanorods and nanospheres, and HAs which contained heterogeneous nanosphere particles. Cell compatibility was monitored in all groups to determine the cytotoxicity effect of particles on studied MC3T3-E1 preosteoblasts. AMPs showed significantly higher attachment rate than the HAs after 1 day and both AMPs and CMPs showed significantly higher proliferation rate when compared to HAs after 7days. Gene expression level of osteoblastic markers ALP, COL I, OCN, OPN, RUNX2 were monitored and they were normalized to GAPDH housekeeping gene. Beta actin expression level was monitored as the second housekeeping gene to confirm the accuracy of results. In general, AMPs and CMPs showed higher expression level of osteoblastic genes after 7 days which can further confirm the stimulating role of Mg(+2) and Ca(+2) ions in increasing the proliferation rate, differentiation, and mineralization of MC3T3-E1 preosteoblasts.
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Affiliation(s)
- Maryam Nabiyouni
- Department of Bioengineering, University of Toledo, Toledo, OH, USA.
| | - Yufu Ren
- Department of Mechanical, Industrial and Manufacturing Engineering, University of Toledo, Toledo, OH, USA
| | - Sarit B Bhaduri
- Department of Mechanical, Industrial and Manufacturing Engineering, University of Toledo, Toledo, OH, USA; Department of Surgery (Dentistry), University of Toledo, Toledo, OH, USA
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Reis AMS, Ribeiro LGR, Ocarino NDM, Goes AM, Serakides R. Osteogenic potential of osteoblasts from neonatal rats born to mothers treated with caffeine throughout pregnancy. BMC Musculoskelet Disord 2015; 16:10. [PMID: 25649420 PMCID: PMC4324429 DOI: 10.1186/s12891-015-0467-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 01/15/2015] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Caffeine is an active alkaloid that can cause damage to bones in formation during prenatal life into adulthood. This compound can pass across the placenta and into the mother's milk, causing a reduction in bone formation, growth and mass. The objective of this study was to examine the osteogenic potential of osteoblasts extracted from neonatal rats born to mothers treated with caffeine throughout pregnancy. METHODS Twenty-four adult Wistar rats were randomly divided into four groups, consisting of one control group and three groups that were treated with 25, 50, or 100 mg/kg of caffeine by an oral-gastric probe throughout the duration of the experimental period (pregnancy). At birth, three puppies from each dam in each group were euthanized, and osteoblasts were extracted from the calvaria of these pups for in vitro testing. RESULTS The osteoblasts extracted from the pups of rats that received 50 mg/kg caffeine during pregnancy exhibited increased expression of osteocalcin, osteopontin, sialoprotein, runx-2, alkaline phosphatase and type I collagen transcripts, resulting in increased synthesis of mineralization nodules. CONCLUSIONS Neonates from rats treated with 50 mg/kg caffeine during pregnancy contained osteoblasts with a higher osteogenic potential characterized by increased expression of osteocalcin, osteopontin, sialoprotein, runx-2, alkaline phosphatase and type I collagen and increased synthesis of mineralization nodules.
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Affiliation(s)
- Amanda Maria Sena Reis
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) da Escola de Veterinária da Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Caixa Postal 567, campus Pampulha da UFMG, CEP 30123-970, Belo Horizonte, MG, Brazil.
| | - Lorena Gabriela Rocha Ribeiro
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) da Escola de Veterinária da Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Caixa Postal 567, campus Pampulha da UFMG, CEP 30123-970, Belo Horizonte, MG, Brazil.
| | - Natália de Melo Ocarino
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) da Escola de Veterinária da Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Caixa Postal 567, campus Pampulha da UFMG, CEP 30123-970, Belo Horizonte, MG, Brazil.
| | - Alfredo Miranda Goes
- Laboratório de Imunologia Celular e Biologia Molecular do Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970, Belo Horizonte, Minas Gerais, Brazil.
| | - Rogéria Serakides
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) da Escola de Veterinária da Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627, Caixa Postal 567, campus Pampulha da UFMG, CEP 30123-970, Belo Horizonte, MG, Brazil.
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Jeon YK, Bae MJ, Kim JI, Kim JH, Choi SJ, Kwon SK, An JH, Kim SS, Kim BH, Kim YK, Kim IJ. Expression of Glucagon-Like Peptide 1 Receptor during Osteogenic Differentiation of Adipose-Derived Stem Cells. Endocrinol Metab (Seoul) 2014; 29:567-73. [PMID: 25325271 PMCID: PMC4285026 DOI: 10.3803/enm.2014.29.4.567] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Revised: 05/13/2014] [Accepted: 05/22/2014] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Glucagon-like peptide 1 (GLP-1), an incretin hormone well known for its glucose-lowering effect, was recently reported to exert an anabolic effect on bone. Although the exact mechanism is not known, it likely involves the GLP-1 receptor (GLP-1R), which is expressed in some osteoblastic cell lines. Adipose-derived stem cells (ADSCs) have mesenchymal stem cell-specific characteristics, including osteoblastic differentiation potential. We evaluated the expression of GLP-1R during osteogenic differentiation of ADSCs. METHODS ADSCs were isolated from subcutaneous adipose tissue obtained from three male donors during plastic surgery and were subjected to osteogenic induction. Mineralization was assessed by Alizarin Red staining on day 21. Expression of alkaline phosphatase (ALP), osteocalcin (OC), and GLP-1R was measured by real-time polymerase chain reaction in triplicate for each patient on days 0, 7, 14, and 21. Target mRNA expression levels were normalized to that of β-actin. RESULTS ADSCs were fibroblast-like in morphology, adhered to plastic, and had multipotent differentiation potential, as assessed using specific antigen markers. The osteogenic markers ALP and OC were notably upregulated at 21 days. Osteogenic differentiation resulted in a time-dependent increase in the expression of GLP-1R (P=0.013). CONCLUSION We demonstrated upregulation of GLP-1R gene expression during osteogenic differentiation of ADSCs. This finding suggests that GLP-1 may induce osteogenic differentiation in bone tissue.
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Affiliation(s)
- Yun Kyung Jeon
- Department of Internal Medicine, Pusan National University School of Medicine, Korea.; Biomedical Research Institute, Pusan National University, Korea
| | | | - Ju In Kim
- Biomedical Research Institute, Pusan National University, Korea
| | - Joo Hyoung Kim
- Kim Yong Ki Internal Medicine Clinic, Korea.; Department of Plastic and Reconstructive Surgery, Pusan National University Hospital, Korea
| | - Soo Jong Choi
- Kim Yong Ki Internal Medicine Clinic, Korea.; Department of Plastic and Reconstructive Surgery, Pusan National University Hospital, Korea
| | - Su Kyoung Kwon
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kosin University College of Medicine, Korea
| | - Joon Hyop An
- Department of Internal Medicine, Good Moonhwa Hospital, Busan, Korea
| | - Sang Soo Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Korea.; Biomedical Research Institute, Pusan National University, Korea
| | - Bo Hyun Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Korea.; Biomedical Research Institute, Pusan National University, Korea
| | | | - In Joo Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Korea.; Biomedical Research Institute, Pusan National University, Korea.
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Jamalpoor Z, Mirzadeh H, Joghataei MT, Zeini D, Bagheri‐Khoulenjani S, Nourani MR. Fabrication of cancellous biomimetic chitosan‐based nanocomposite scaffolds applying a combinational method for bone tissue engineering. J Biomed Mater Res A 2014; 103:1882-92. [DOI: 10.1002/jbm.a.35320] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2014] [Revised: 08/23/2014] [Accepted: 09/03/2014] [Indexed: 12/25/2022]
Affiliation(s)
- Zahra Jamalpoor
- Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in MedicineIran University of Medical Sciences (IUMS)P.O. Box 1449614535Tehran Iran
| | - Hamid Mirzadeh
- Cellular and Molecular Medical Research CenterIran University of Medical ScienceP.O. Box 1449614535Tehran Iran
- Polymer Engineering DepartmentAmirkabir University of TechnologyP.O. Box 15875/4413Tehran Iran
| | - Mohammad Taghi Joghataei
- Cellular and Molecular Medical Research CenterIran University of Medical ScienceP.O. Box 1449614535Tehran Iran
| | - Darya Zeini
- Polymer Engineering DepartmentAmirkabir University of TechnologyP.O. Box 15875/4413Tehran Iran
| | | | - Mohammad Reza Nourani
- Tissue Engineering Division, Biotechnology Research CenterBaqiyatallah University of Medical SciencesP.O. Box 14359‐44711Tehran Iran
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Wu M, Li C, Zhu G, Wang Y, Jules J, Lu Y, McConnell M, Wang YJ, Shao JZ, Li YP, Chen W. Deletion of core-binding factor β (Cbfβ) in mesenchymal progenitor cells provides new insights into Cbfβ/Runxs complex function in cartilage and bone development. Bone 2014; 65:49-59. [PMID: 24798493 PMCID: PMC4644668 DOI: 10.1016/j.bone.2014.04.031] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 04/24/2014] [Accepted: 04/28/2014] [Indexed: 12/23/2022]
Abstract
Core-binding factor β (Cbfβ) is a subunit of the Cbf family of heterodimeric transcription factors, which plays a critical role in skeletal development through its interaction with the Cbfα subunits, also known as Runt-related transcription factors (Runxs). However, the mechanism by which Cbfβ regulates cartilage and bone development remains unclear. Existing Cbfβ-deficient mouse models cannot specify the role of Cbfβ in skeletal cell lineage. Herein, we sought to specifically address the role of Cbfβ in cartilage and bone development by using a conditional knockout (CKO) approach. A mesenchymal-specific Cbfβ CKO mouse model was generated by using the Dermo1-Cre mouse line to specifically delete Cbfβ in mesenchymal stem cells, which give rise to osteoblasts and chondrocytes. Surprisingly, the mutant mice had under-developed larynx and tracheal cartilage, causing alveolus defects that led to death shortly after birth from suffocation. Also, the mutant mice exhibited severe skeletal deformities from defective intramembranous and endochondral ossification, owing to delayed chondrocyte maturation and impaired osteoblast differentiation. Almost all bones of the mutant mice, including the calvariae, vertebrae, tibiae, femurs, ribs, limbs and sternums were defective. Importantly, we showed that Cbfβ was expressed throughout the skeleton during both embryonic and postnatal development, which explains the multiple-skeletal defects observed in the mutant mice. Consistently, Cbfβ deficiency impaired both chondrocyte proliferation and hypertrophy zone hypertrophy during growth-plate development in the long bones of mutant mice. Notably, Cbfβ, Runx1 and Runx2 displayed different expression patterns in the growth plates of the wild-type mice, indicating that Cbfβ/Runx1 complex and Cbfβ/Runx2 complex may regulate chondrocyte proliferation and hypertrophy, respectively, in a spatial and temporal manner. Cbfβ deletion in the mesenchymal progenitors affected bone development by dramatically down-regulating Collagen X (Col X) and Osterix (Osx) but had a dispensable effect on osteoclast development. Collectively, the results demonstrate that Cbfβ mediates cartilage and bone development by interacting with Runx1 and Runx2 to regulate the expressions of Col X and Osx for chondrocyte and osteoblast development. These findings not only reveal a critical role for Cbfβ in cartilage and bone development but also facilitate the design of novel therapeutic approaches for skeletal diseases.
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Affiliation(s)
- Mengrui Wu
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; Institute of Genetics, Life Science College, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Chenguan Li
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; Institute of Spine, Longhua Hospital, ShangHai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
| | - Guochun Zhu
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Yiping Wang
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; Institute of Genetics, Life Science College, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Joel Jules
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Yun Lu
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Matthew McConnell
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Yong-Jun Wang
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Jian-Zhong Shao
- Institute of Genetics, Life Science College, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China
| | - Yi-Ping Li
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; Institute of Genetics, Life Science College, Zhejiang University, Hangzhou, Zhejiang 310058, People's Republic of China.
| | - Wei Chen
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
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Vester H, Holzer N, Neumaier M, Lilianna S, Nüssler AK, Seeliger C. Green Tea Extract (GTE) improves differentiation in human osteoblasts during oxidative stress. JOURNAL OF INFLAMMATION-LONDON 2014; 11:15. [PMID: 24904236 PMCID: PMC4045989 DOI: 10.1186/1476-9255-11-15] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Accepted: 05/08/2014] [Indexed: 12/22/2022]
Abstract
Background Oxidative stress is involved in the pathogenesis of bone diseases such as osteoporosis, which has a high coincidence with fractures in elderly. Several studies showed positive effects of herbal bioactive substances on oxidative stress. This study analyses the effect of green tea extract (GTE) Sunphenon 90LB on primary human osteoblasts differentiation and viability during H2O2-induced oxidative stress. Moreover, it was analyzed, whether GTE acts during the HO-1 signaling pathway. Methods Human osteoblasts were isolated from femoral heads of patients undergoing total hip replacement. Beneficial effects of GTE on osteoblasts were examined in a dose- and time-dependent manner. Furthermore, GTE was given before, simultaneous with and after induction of oxidative stress with 1 mM H2O2 to simulate prophylactic, acute and therapeutic use, respectively. Cell damage was measured by LDH leakage and cell viability by MTT assay. Flow cytometry was applied to measure formation of Reactive Oxygen Species by using 2`7`-dichlorofluorescein-diacetate. The formation of Extracellular Matrix after differentiation with GTE supplementation during oxidative stress was visualized with von Kossa and Alizarin Red staining. Last one was additionally photometrically quantified. To assess the effects of H2O2 and GTE on the osteogenic genes, RT-PCR was performed. To evaluate the intramolecular influence of GTE after the stimulation the protein levels of HO-1 were analyzed. Results Stimulation of primary human osteoblasts with low doses of GTE during oxidative stress over 21 days improved mineralization. Furthermore, GTE supplementation in combination with H2O2 leads to a higher gene expression of osteocalcin and collagen1α1 during osteoblasts differentiation. Both are important for bone quality. Pre-incubation, co-incubation and post-incubation of osteoblasts with high doses of GTE protect the osteoblasts against acute oxidative stress as shown by increased cell viability, decreased LDH leakage, and reduced production of intracellular free radicals. Functional analysis revealed an increased HO-1 protein synthesis after stimulation with GTE. Conclusions Incubation of human primary osteoblasts with GTE significantly reduces oxidative stress and improves cell viability. GTE also has a beneficial effect on ECM production which might improve the bone quality. Our findings suggest that dietary supplementation of GTE might reduce inflammatory events in bone-associated diseases such as osteoporosis.
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Affiliation(s)
- Helen Vester
- Department of Trauma Surgery, Technical University Munich, MRI, Munich, Germany
| | - Nina Holzer
- Department of experimental Trauma Surgery, Technical University Munich, MRI, Munich, Germany
| | - Markus Neumaier
- Department of Trauma Surgery, Technical University Munich, MRI, Munich, Germany
| | - Schyschka Lilianna
- Department of experimental Trauma Surgery, Technical University Munich, MRI, Munich, Germany
| | - Andreas K Nüssler
- Department of experimental Trauma Surgery, Technical University Munich, MRI, Munich, Germany.,Department of Trauma Surgery, Eberhard Karls University Tubingen, Tubingen, Germany
| | - Claudine Seeliger
- Department of experimental Trauma Surgery, Technical University Munich, MRI, Munich, Germany
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Hadzir SN, Ibrahim SN, Abdul Wahab RM, Zainol Abidin IZ, Senafi S, Ariffin ZZ, ABDUL RAZAK M, Zainal Ariffin SH. Ascorbic acid induces osteoblast differentiation of human suspension mononuclear cells. Cytotherapy 2014; 16:674-82. [DOI: 10.1016/j.jcyt.2013.07.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Accepted: 07/27/2013] [Indexed: 01/19/2023]
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Kim EC, Kim TH, Jung JH, Hong SO, Lee DW. Enhanced osteogenic differentiation of MC3T3-E1 on rhBMP-2-immobilized titanium via click reaction. Carbohydr Polym 2014; 103:170-8. [DOI: 10.1016/j.carbpol.2013.12.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 11/04/2013] [Accepted: 12/09/2013] [Indexed: 10/25/2022]
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40
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BOONANANTANASARN K, JANEBODIN K, SUPPAKPATANA P, ARAYAPISIT T, RODSUTTHI JA, CHUNHABUNDIT P, BOONANUNTANASARN S, SRIPAIROJTHIKOON W. Morinda citrifolia leaves enhance osteogenic differentiation and mineralization of human periodontal ligament cells. Dent Mater J 2014; 33:157-65. [DOI: 10.4012/dmj.2012-053-r] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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41
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Abstract
This chapter describes the isolation and culture of neonatal mouse calvarial osteoblasts. This primary cell population is obtained by sequential enzymatic digestion of the calvarial bone matrix and is capable of differentiating in vitro into mature osteoblasts that deposit a collagen extracellular matrix and form mineralized bone nodules. Maturation of the cultures can be monitored by gene expression analyses and staining for the presence of alkaline phosphatase or matrix mineralization. This culture system, therefore, provides a powerful model to test how various experimental conditions, such as the manipulation of gene expression, may affect osteoblast maturation and/or function.
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Miguel FB, Barbosa Júnior ADA, de Paula FL, Barreto IC, Goissis G, Rosa FP. Regeneration of critical bone defects with anionic collagen matrix as scaffolds. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2013; 24:2567-2575. [PMID: 23784007 DOI: 10.1007/s10856-013-4980-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Accepted: 06/10/2013] [Indexed: 06/02/2023]
Abstract
The aim of this study was to make a histomorphometric evaluation of the osteogenic potential of anionic collagen matrix as scaffolds; either crosslinked in glutaraldehyde or not cross-linked and, implanted in critical bone defects in rat calvaria. Seventy-two rats were randomly distributed in three groups: anionic collagen scaffolds treated for 24 h of selective hydrolysis (ACSH); anionic collagen scaffolds treated for 24 h of selective hydrolysis and 5 min of crosslinking in glutaraldehyde 0.05% (ACSHGA); empty bone defect (Control), evaluated at the biological points of 15, 45, 90 and 120 days. The results showed that the biomaterials implanted were biocompatible and showed a high osteogenic potential. These biomaterials presented a speed of biodegradation compatible with bone neoformation, which was shown to be associated with angiogenesis inside the scaffolds at all biological points. The percentage of mineralization of ACSH (87%) differed statistically from that found in ACSHGA (66%). It was concluded that the regeneration of critical bone defect was more evident in anionic collagen without crosslinking (ACSH).
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Affiliation(s)
- Fúlvio Borges Miguel
- Gonçalo Moniz Research Center, Oswaldo Cruz Foundation, Salvador, Bahia, Brazil,
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43
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Mekala NK, Baadhe RR, Parcha SR. Molecular level characterization of L-ascorbic acid induced osteoblasts from umbilical cord blood source. Tissue Eng Regen Med 2013. [DOI: 10.1007/s13770-013-0003-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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44
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Tavakol S, Azami M, Khoshzaban A, Ragerdi Kashani I, Tavakol B, Hoveizi E, Rezayat Sorkhabadi SM. Effect of laminated hydroxyapatite/gelatin nanocomposite scaffold structure on osteogenesis using unrestricted somatic stem cells in rat. Cell Biol Int 2013; 37:1181-9. [DOI: 10.1002/cbin.10143] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Accepted: 06/10/2013] [Indexed: 02/05/2023]
Affiliation(s)
- Shima Tavakol
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine; Tehran University of Medical Sciences; Tehran; Iran
| | - Mahmoud Azami
- Department of Tissue Engineering, School of Advanced Technologies in Medicine; Tehran University of Medical Sciences; Tehran; Iran
| | - Ahad Khoshzaban
- Iranian Tissue Bank Research & Preparation Center; Tehran University of Medical Sciences; Tehran; Iran
| | - Iraj Ragerdi Kashani
- Department of Anatomy, School of Medicine; Tehran University of Medical Sciences; Tehran; Iran
| | - Behnaz Tavakol
- Department of Medicine; Kashan University of Medical Sciences; Kashan; Iran
| | - Elham Hoveizi
- Department of biology; Faculty of Sciences, Shahid Chamran University; Ahvaz; Iran
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Rapamycin inhibits BMP-7-induced osteogenic and lipogenic marker expressions in fetal rat calvarial cells. J Cell Biochem 2013; 114:1760-71. [DOI: 10.1002/jcb.24519] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2012] [Accepted: 02/07/2013] [Indexed: 01/06/2023]
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46
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The effect of surface treatment of titanium with sand-blasting/acid-etching or hydroxyapatite-coating and application of bone morphogenetic protein-2 on attachment, proliferation, and differentiation of stem cells derived from buccal fat pad. Tissue Eng Regen Med 2013. [DOI: 10.1007/s13770-013-0011-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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47
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Thiele F, Cohrs CM, Przemeck GKH, Wurst W, Fuchs H, Hrabé de Angelis M. In vitro analysis of bone phenotypes in Col1a1 and Jagged1 mutant mice using a standardized osteoblast cell culture system. J Bone Miner Metab 2013; 31:293-303. [PMID: 23371561 DOI: 10.1007/s00774-012-0421-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Accepted: 12/16/2012] [Indexed: 01/16/2023]
Abstract
The mouse is a valuable model organism for studying bone biology and for unravelling pathological processes in skeletal disorders. In vivo methods like X-ray analysis, DXA measurements, pQCT and μCT are available to investigate the bone phenotype of mutant mice. However, the descriptive nature of such methods does not provide insights into the cellular and molecular bases of the observed bone alterations. Thus, first-line investigations might be complemented by cell culture-based methods to characterize the pathological processes at the cellular level independent from systemic influences. By combining well-established assays, we designed a comprehensive test system to investigate the cellular and molecular phenotype of primary calvarial osteoblasts in mutant mice compared to wild-type controls as a first-line phenotyping method. The compilation of 9 different quantifiable assays allows assessment of general properties of cell growth and investigation of bone-specific parameters at the functional, protein and RNA level in a kinetic fashion throughout a 3-week culture period, thus maximizing the chance to discover and explain new phenotypes in mutant mice. By analyzing mutant mouse lines for Col1a1 and Jag1 (Delta-Notch pathway) that both showed clear alterations in several bone-related parameters we could demonstrate the usefulness of our cell culture system to discriminate between primary (Col1a1) and secondary effects (Jag1) in osteoblasts.
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Affiliation(s)
- Frank Thiele
- Institute of Experimental Genetics, Helmholtz Zentrum Muenchen, German Research Center for Environmental Health (GmbH), Ingolstaedter Landstr. 1, 85764, Neuherberg, Germany
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Wang W, Olson D, Liang G, Franceschi RT, Li C, Wang B, Wang SS, Yang S. Collagen XXIV (Col24α1) promotes osteoblastic differentiation and mineralization through TGF-β/Smads signaling pathway. Int J Biol Sci 2012; 8:1310-22. [PMID: 23139630 PMCID: PMC3492790 DOI: 10.7150/ijbs.5136] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2012] [Accepted: 10/01/2012] [Indexed: 12/19/2022] Open
Abstract
Collagen XXIV (Col24α1) is a recently discovered fibrillar collagen. It is known that mouse Col24α1 is predominantly expressed in the forming skeleton of the mouse embryo, as well as in the trabecular bone and periosteum of the newborn mouse. However, the role and mechanism of Col24α1 in osteoblast differentiation and mineralization remains unclear. By analyzing the expression pattern of Col24α1, we confirmed that it is primarily expressed in bone tissues, and this expression gradually increased concomitant with the progression of osteoblast differentiation. Through the use of a lentivirus vector-mediated interference system, silencing Col24α1 expression in MC3T3-E1 murine preosteoblastic cells resulted in significant inhibition of alkaline phosphatase (ALP) activity, cell mineralization, and the expression of osteoblast marker genes such as runt-related transcription factor 2 (Runx2), osteocalcin (OCN), ALP, and type I collagen (Col I). Subsequent overexpression not only rescued the deficiency in osteoblast differentiation from Col24α1 silenced cells, but also enhanced osteoblastic differentiation in control cells. We further revealed that Col24α1 interacts with integrin β3, and silencing Col24α1 up-regulated the expression of Smad7 during osteoblast differentiation while at the same time inhibiting the phosphorylation of the Smad2/3 complex. These results suggest that Col24α1 imparts some of its regulatory control on osteoblast differentiation and mineralization at least partially through interaction with integrin β3 and the transforming growth factor beta (TGF-β) /Smads signaling pathway.
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Affiliation(s)
- Weizhuo Wang
- Department of Oral Biology, School of Dental Medicine, University of Buffalo, State University of New York, Buffalo, NY 14214, USA
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Nakamura A, Aizawa J, Sakayama K, Kidani T, Takata T, Norimatsu Y, Miura H, Masuno H. Genistein inhibits cell invasion and motility by inducing cell differentiation in murine osteosarcoma cell line LM8. BMC Cell Biol 2012; 13:24. [PMID: 23013480 PMCID: PMC3515800 DOI: 10.1186/1471-2121-13-24] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Accepted: 09/20/2012] [Indexed: 01/25/2023] Open
Abstract
Background One of the problems associated with osteosarcoma is the frequent formation of micrometastases in the lung prior to diagnosis because the development of metastatic lesions often causes a fatal outcome. Therefore, the prevention of pulmonary metastases during the early stage of tumor development is critical for the improvement of the prognosis of osteosarcoma patients. In Japan, soy is consumed in a wide variety of forms, such as miso soup and soy sauce. The purpose of this study is to investigate the effect of genistein, an isoflavone found in soy, on the invasive and motile potential of osteosarcoma cells. Methods LM8 cells were treated for 3 days with various concentrations of genistein. The effect of genistein on cell proliferation was determined by DNA measurement in the cultures and 5-bromo-2’-deoxyuridine (BrdU) incorporation study. The assays of cell invasion and motility were performed using the cell culture inserts with either matrigel-coated membranes or uncoated membranes in the invasion chambers. The expression and secretion of MMP-2 were determined by immunohistochemistry and gelatin zymography. The subcellular localization and cellular level of β-catenin were determined by immunofluorescence and Western blot. For examining cell morphology, the ethanol-fixed cells were stained with hematoxylin-eosin (H&E). The expression of osteocalcin mRNA was determined by reverse transcription-polymerase chain reaction (RT-PCR). Results Genistein dose-dependently inhibits cell proliferation. Genistein-treated cells were less invasive and less motile than untreated cells. The expression and secretion of MMP-2 were lower in the genistein-treated cultures than in the untreated cultures. β-Catenin in untreated cells was located in the cytoplasm and/or nucleus, while in genistein-treated cells it was translocated near to the plasma membrane. The level of β-catenin was higher in genistein-treated cells than in untreated cells. Treatment of LM8 cells with genistein induced morphological changes, markedly decreased the formation of multilayer masses of cells, and markedly increased the expression of osteocalcin mRNA. Conclusions Genistein decreased invasive and motile potential by inducing cell differentiation in LM8 cells. Genistein may be useful as an anti-metastatic drug for osteosarcoma through its differentiation-inducing effects.
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Affiliation(s)
- Atsushi Nakamura
- Department of Medical Technology, Faculty of Health Sciences, Ehime Prefectural University of Health Sciences, Takooda, Tobe-cho, Iyo-gun, Ehime, 791-2101, Japan
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Misra R, Chaudhari P. Osteoblasts response to nylon 6,6 blended with single-walled carbon nanohorn. J Biomed Mater Res A 2012; 101:1059-68. [DOI: 10.1002/jbm.a.34409] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Revised: 06/27/2012] [Accepted: 08/08/2012] [Indexed: 11/11/2022]
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