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Accelerated Bone Induction of Adult Rat Compact Bone Plate Scratched by Ultrasonic Scaler Using Acidic Electrolyzed Water. MATERIALS 2021; 14:ma14123347. [PMID: 34204338 PMCID: PMC8234999 DOI: 10.3390/ma14123347] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/10/2021] [Accepted: 06/10/2021] [Indexed: 11/16/2022]
Abstract
Fresh compact bone, the candidate graft material for bone regeneration, is usually grafted for horizontal bone augmentation. However, the dense calcified structure inhibits the release of growth factors and limits cellular and vascular perfusion. We aimed to create mechano-chemically altered dense skull bone by ultrasonic treatment, along with partial demineralization using commercially available acidic electrolyzed water (AEW). The parietal skull bone of an 11-month-old Wistar rat was exposed and continuously treated with a piezoelectric ultrasonic scaler tip for 1 min, using AEW (pH 2.3) or distilled water (DW, pH 5.6) as irrigants. Treated parietal bone was removed, cut into plates (5 × 5 × 1 mm3), grafted into the back subcutaneous tissues of syngeneic rats, and explanted at 1, 2, and 3 weeks. AEW bone showed an irregular surface, deep nano-microcracks, and decalcified areas. SEM-EDS revealed small amounts of residual calcium content in the AEW bone (0.03%) compared to the DW bone (0.86%). In the animal assay, the AEW bone induced bone at 2 weeks. Histomorphometric analysis showed that the area of new bone in the AEW bone at 2 and 3 weeks was significantly larger. This new combination technique of AEW-demineralization with ultrasonic treatment will improve the surface area and three-dimensional (3D) architecture of dense bone and accelerate new bone synthesis.
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Huang YZ, Cai JQ, Xue J, Chen XH, Zhang CL, Li XQ, Yang ZM, Huang YC, Deng L. The Poor Osteoinductive Capability of Human Acellular Bone Matrix. Int J Artif Organs 2018. [DOI: 10.1177/039139881203501204] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Demineralized bone matrix (DBM) has extensive clinical use for bone regeneration because of its osteoinductive and osteoconductive aptitude. It is suggested that the demineralization process in bone matrix preparation is influential in maintaining osteoinductivity; however, relevant investigations, especially into the osteoinductivity of acellular bone matrix, are not often performed. This study addressed the osteoinductive capability of human acellular cancellous bone matrix (ACBM) after subcutaneous implantation in a rat model. The growth and osteogenic differentiation of rat bone marrow-derived mesenchymal stem cells (rBM-MSCs) seeded in this material were also studied. Without the demineralization process, the ACBM we obtained had an interconnected porous network and the micropores in the surface were clearly exposed. After the ACBM was subcutaneously implanted for 4 months, new osteoid formation was noted but not typical mature bone formation. rBM-MSCs grew well in the ACBM and kept a steady morphology after continuous culture for 28 days. However, no mineralized nodule formation was detected and the expression levels of genes encoding osteogenic markers were significantly decreased. These results demonstrated that human ACBM possess the structural features of native bone and poor osteoinductivity; nonetheless this material helped to preserve the undifferentiated phenotype of rBM-MSCs. Such insights may further broaden our understanding of the application of ACBM for bone regeneration and the creation of stem cell niches.
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Affiliation(s)
- Yi-Zhou Huang
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy and Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu - P.R. China
| | - Jia-Qin Cai
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy and Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu - P.R. China
| | - Jing Xue
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu - P.R. China
| | - Xiao-He Chen
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy and Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu - P.R. China
| | - Chao-Liang Zhang
- State Key Laboratory of Oral Diseases, Sichuan University, Chengdu - P.R. China
| | - Xiu-Qun Li
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy and Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu - P.R. China
| | - Zhi-Ming Yang
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy and Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu - P.R. China
| | - Yong-Can Huang
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy and Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu - P.R. China
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong - P.R. China
| | - Li Deng
- Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy and Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu - P.R. China
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Huang YZ, Wang JJ, Huang YC, Wu CG, Zhang Y, Zhang CL, Bai L, Xie HQ, Li ZY, Deng L. Organic composite-mediated surface coating of human acellular bone matrix with strontium. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017. [PMID: 29519420 DOI: 10.1016/j.msec.2017.11.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Acellular bone matrix (ACBM) provides an osteoconductive scaffold for bone repair, but its osteoinductivity is poor. Strontium (Sr) improves the osteoinductivity of bone implants. In this study, we developed an organic composite-mediated strontium coating strategy for ACBM scaffolds by using the ion chelating ability of carboxymethyl cellulose (CMC) and the surface adhesion ability of dopamine (DOPA). The organic coating composite, termed the CMC-DOPA-Sr composite, was synthesized under a mild condition, and its chemical structure and strontium ion chelating ability were then determined. After surface decoration, the physicochemical properties of the strontium-coated ACBM (ACBM-Sr) scaffolds were characterized, and their biocompatibility and osteoinductivity were determined in vitro and in vivo. The results showed that the CMC-DOPA-Sr composite facilitated strontium coating on the surface of ACBM scaffolds. The ACBM-Sr scaffolds possessed a sustained strontium ion release profile, exhibited good cytocompatibility, and enhanced the osteogenic differentiation of mesenchymal stem cells in vitro. Furthermore, the ACBM-Sr scaffolds showed good histocompatibility after subcutaneous implantation in nude mice. Taken together, this study provided a simple and mild strategy to realize strontium coating for ACBM scaffolds, which resulted in good biocompatibility and improved osteoinductivity.
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Affiliation(s)
- Yi-Zhou Huang
- Laboratory of Stem Cell and Tissue Engineering, State Key laboratory of biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 60041, China
| | - Jing-Jing Wang
- School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Yong-Can Huang
- Shenzhen Engineering Laboratory of Orthopaedic Regenerative Technologies, Orthopaedic Research Center, Peking University Shenzhen Hospital, Shenzhen 518036, China; Shenzhen Key Laboratory of Spine Surgery, Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen 518036, China; Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong SAR 999077, China
| | - Cheng-Guang Wu
- Laboratory of Stem Cell and Tissue Engineering, State Key laboratory of biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 60041, China
| | - Yi Zhang
- Laboratory of Stem Cell and Tissue Engineering, State Key laboratory of biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 60041, China
| | - Chao-Liang Zhang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 60041, China
| | - Lin Bai
- Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Hui-Qi Xie
- Laboratory of Stem Cell and Tissue Engineering, State Key laboratory of biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 60041, China
| | - Zhao-Yang Li
- School of Materials Science and Engineering, Tianjin University, Tianjin 300350, China.
| | - Li Deng
- Laboratory of Stem Cell and Tissue Engineering, State Key laboratory of biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan 60041, China.
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Song K, Li L, Ji L, Li S, Mu C, Wang Y, Liu T. Repair of bone defects using dynamic fabricated tissue-engineered bone based on a bio-derived porous bone scaffold. Anim Cells Syst (Seoul) 2016. [DOI: 10.1080/19768354.2016.1220977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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McBride MD, Campbell PM, Opperman LA, Dechow PC, Buschang PH. How does the amount of surgical insult affect bone around moving teeth? Am J Orthod Dentofacial Orthop 2014; 145:S92-9. [DOI: 10.1016/j.ajodo.2013.10.020] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 10/01/2013] [Accepted: 10/01/2013] [Indexed: 10/25/2022]
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Bang SH, Kim TH, Lee HY, Shin US, Kim HW. Nanofibrous-structured biopolymer scaffolds obtained by a phase separation with camphene and initial cellular events. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c0jm03108a] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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