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Liu L, Luo P, Liao H, Yang K, Yang S, Tu M. Effects of aligned PLGA/SrCSH composite scaffolds on in vitro growth and osteogenic differentiation of human mesenchymal stem cells. J Biomed Mater Res B Appl Biomater 2024; 112:e35366. [PMID: 38247249 DOI: 10.1002/jbm.b.35366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 11/14/2023] [Accepted: 11/24/2023] [Indexed: 01/23/2024]
Abstract
Strontium (Sr) has important functions in bone remodeling. Incorporating strontium-doped α-calcium sulfate hemihydrate (SrCSH) into poly(lactic-co-glycolic acid) (PLGA) fibrous scaffolds were expected to increase its bio-activity and provide a potential material for bone tissue engineering. In the present study, Sr-containing aligned PLGA/SrCSH fibrous scaffolds similar to the architecture of natural bone were prepared via wet spinning. CCK-8 assay revealed that Sr-containing scaffolds possessed better bioactivity and supported favorable cell growth effectively. The aligned PLGA/SrCSH fibers exerted a contact effect on cell attachment, inducing regular cell alignment and influencing a series of cell behaviors. Releasing of high concentration Sr from a-PLGA/SrCSH scaffolds could induce high expression levels of BMP-2, increase ALP activity and upregulate RUNX-2 expression, and further promote the expressions of COL-I and OCN and the maximum mineralization. This study demonstrated that Sr and ordered structure in a-PLGA/SrCSH fibrous scaffolds could synergistically enhance the osteogenic differentiation of umbilical cord mesenchymal stem cells (UCMSCs) by regulating cell arrangement and expressions of osteogenic genes.
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Affiliation(s)
- Lichu Liu
- Institute of Orthopedics and Traumatology, Foshan Hospital of Traditional Chinese Medicine, Foshan, P. R. China
| | - Pin Luo
- College of Chemistry and Materials Science, Jinan University, Guangzhou, P. R. China
| | - Honghong Liao
- Institute of Orthopedics and Traumatology, Foshan Hospital of Traditional Chinese Medicine, Foshan, P. R. China
| | - Kuangyang Yang
- Institute of Orthopedics and Traumatology, Foshan Hospital of Traditional Chinese Medicine, Foshan, P. R. China
| | - Shenyu Yang
- Medical 3D Printing Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China
| | - Mei Tu
- College of Chemistry and Materials Science, Jinan University, Guangzhou, P. R. China
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Zhao H, Kang J, Lian X, Song Y, Wang D, Xu R, Zhao L, Huang D, Niu B. The self-regulating on cohesion properties of calcium phosphate/ calcium sulfate bone cement improved by citric acid/sodium alginate. Colloids Surf B Biointerfaces 2023; 231:113548. [PMID: 37729798 DOI: 10.1016/j.colsurfb.2023.113548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 09/08/2023] [Accepted: 09/15/2023] [Indexed: 09/22/2023]
Abstract
Calcium phosphate cement (CPC) has attracted extensive interest from surgeons and materials scientists. However, the collapsibility of calcium phosphate cement limits its clinical application. In this work, a gel network of SA-CA formed by the reaction of citric acid (CA) and sodium alginate (SA) was introduced into the α-TCP/α-CSH composite. Furthermore, a high proportion of α-CSH provided more calcium sources for the system to combine with SA forming a gel network to improve the cohesion property of the composite, which also played a regulating role in the conversion of materials to HA. The morphology, physicochemical properties, and cell compatibility of the composites were studied with SA-CA as curing solution. The results show that SA-CA plays an important role in the compressive strength and collapse resistance of bone cement, and its properties can be regulated by changing the content of CA. When CA is 10 wt%, the mechanical strength is the highest, reaching 12.49 ± 2.03 MPa, which is 265.80% higher than water as the solidifying liquid. In addition, the cell experiments showed that the samples were not toxic to MC3T3 cells. The results of ALP showed that when SA-CA were used as curing solution, the activity of ALP was higher than that of blank sample, indicating that the composite bone cement could be conducive to the differentiation of osteoblasts. In this work, the α-CSH/α-TCP based composite regulated by gel network of SA-CA can provide a promising strategy to improve the cohesion of bone cement.
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Affiliation(s)
- Hongyun Zhao
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Junjia Kang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Xiaojie Lian
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China.
| | - Yaping Song
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Di Wang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Ruoyao Xu
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Liqin Zhao
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Di Huang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, PR China
| | - Baolong Niu
- College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, PR China
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Ge J, Jia L, Duan K, Li Y, Ma Y, Yan J, Duan X, Wu G. [Preparation and properties of a new artificial bone composite material]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi 2023; 37:488-494. [PMID: 37070320 PMCID: PMC10110745 DOI: 10.7507/1002-1892.202211097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
Objective To study the preparation and properties of the hyaluronic acid (HA)/α-calcium sulfate hemihydrate (α-CSH)/β-tricalcium phosphate (β-TCP) material (hereinafter referred to as composite material). Methods Firstly, the α-CSH was prepared from calcium sulfate dihydrate by hydrothermal method, and the β-TCP was prepared by wet reaction of soluble calcium salt and phosphate. Secondly, the α-CSH and β-TCP were mixed in different proportions (10∶0, 9∶1, 8∶2, 7∶3, 5∶5, and 3∶7), and then mixed with HA solutions with concentrations of 0.1%, 0.25%, 0.5%, 1.0%, and 2.0%, respectively, at a liquid-solid ratio of 0.30 and 0.35 respectively to prepare HA/α-CSH/ β-TCP composite material. The α-CSH/β-TCP composite material prepared with α-CSH, β-TCP, and deionized water was used as the control. The composite material was analyzed by scanning electron microscope, X-ray diffraction analysis, initial/final setting time, degradation, compressive strength, dispersion, injectability, and cytotoxicity. Results The HA/α-CSH/β-TCP composite material was prepared successfully. The composite material has rough surface, densely packed irregular block particles and strip particles, and microporous structures, with the pore size mainly between 5 and 15 μm. When the content of β-TCP increased, the initial/final setting time of composite material increased, the degradation rate decreased, and the compressive strength showed a trend of first increasing and then weakening; there were significant differences between the composite materials with different α-CSH/β-TCP proportion ( P<0.05). Adding HA improved the injectable property of the composite material, and it showed an increasing trend with the increase of concentration ( P<0.05), but it has no obvious effect on the setting time of composite material ( P>0.05). The cytotoxicity level of HA/α-CSH/β-TCP composite material ranged from 0 to 1, without cytotoxicity. Conclusion The HA/α-CSH/β-TCP composite materials have good biocompatibility. Theoretically, it can meet the clinical needs of bone defect repairing, and may be a new artificial bone material with potential clinical application prospect.
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Affiliation(s)
- Jianhua Ge
- Department of Bone and Joint Surgery, Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopedic Implant Device R&D and Application Technology Engineering, Luzhou Sichuan, 646000, P. R. China
| | - Le Jia
- Department of Bone and Joint Surgery, Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopedic Implant Device R&D and Application Technology Engineering, Luzhou Sichuan, 646000, P. R. China
| | - Ke Duan
- Department of Bone and Joint Surgery, Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopedic Implant Device R&D and Application Technology Engineering, Luzhou Sichuan, 646000, P. R. China
| | - Yang Li
- Department of Bone and Joint Surgery, Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopedic Implant Device R&D and Application Technology Engineering, Luzhou Sichuan, 646000, P. R. China
| | - Yue Ma
- Department of Bone and Joint Surgery, Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopedic Implant Device R&D and Application Technology Engineering, Luzhou Sichuan, 646000, P. R. China
| | - Jiyuan Yan
- Department of Bone and Joint Surgery, Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopedic Implant Device R&D and Application Technology Engineering, Luzhou Sichuan, 646000, P. R. China
| | - Xin Duan
- Department of Orthopedics, West China Hospital of Sichuan University, Chengdu Sichuan, 610041, P. R. China
| | - Guibing Wu
- Department of Orthopedics, Hejiang People's Hospital, Hejiang Sichuan, 646200, P. R. China
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Li Y, Ni W, Duan P, Zhang S, Wang J. Experimental Study and Mechanism Analysis of Preparation of α-Calcium Sulfate Hemihydrate from FGD Gypsum with Dynamic Method. Materials (Basel) 2022; 15:ma15093382. [PMID: 35591716 PMCID: PMC9104283 DOI: 10.3390/ma15093382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/03/2022] [Accepted: 05/06/2022] [Indexed: 02/04/2023]
Abstract
Flue-gas desulphurization (FGD) gypsum is a highly prevalent industrial by-product worldwide, which can be an excellent alternative to natural gypsum due to its high content of CaSO4·2H2O. The preparation of α-calcium sulfate hemihydrate is a high-value pathway for the efficient use of FGD gypsum. Here, a dynamic method, or an improved autoclaved process, was used to produce α-calcium sulfate hemihydrate from FGD gypsum. In this process, the attachment water of the mixture of FGD gypsum and crystal modifiers was approximately 18%, and the pH value was approximately 6.0. The mixture did not need to be pressed into bricks or made into slurry, and it was directly sent into the autoclave reactor for reaction. It was successfully applied to the practical production and application of FGD gypsum, citric acid gypsum and phosphogypsum. In this work, the compositions and morphology of the product at different stages of the reaction were examined and compared. In particular, single-crystal diffraction was used to produce the crystal structure of CaSO4·0.5H2O, and the results were as follows: a = 13.550(3); b = 13.855(3); c = 12.658(3); β = 117.79(3)°; space group C2. The preferential growth along the c-axis and the interaction mechanism between the carboxylate groups and the crystal were discussed throughout the analysis of the crystal structure.
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Affiliation(s)
- Ying Li
- School of Civil and Resource Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing 100083, China; (W.N.); (S.Z.); (J.W.)
- Correspondence:
| | - Wen Ni
- School of Civil and Resource Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing 100083, China; (W.N.); (S.Z.); (J.W.)
| | - Pengxuan Duan
- School of Materials Science and Engineering, Guilin University of Technology, Jian’gan Road 12#, Guilin 541004, China;
| | - Siqi Zhang
- School of Civil and Resource Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing 100083, China; (W.N.); (S.Z.); (J.W.)
| | - Jiajia Wang
- School of Civil and Resource Engineering, University of Science and Technology Beijing, No. 30 Xueyuan Road, Haidian District, Beijing 100083, China; (W.N.); (S.Z.); (J.W.)
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Chamansara A, Behnamghader A, Zamanian A. Preparation and characterization of injectable gelatin/alginate/chondroitin sulfate/ α-calcium sulfate hemihydrate composite paste for bone repair application. J Biomater Appl 2022; 36:1758-1774. [PMID: 35199572 DOI: 10.1177/08853282211073231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this study, a group of injectable composite pastes with a novel formulation consisting of two inorganic components: α-calcium sulfate hemihydrate (α-CSH, P/L = 1.8-2.1 g/ml) and calcium-deficient hydroxyapatite (CDHA, P/L = 0.1 g/ml) nanoparticles; and three biopolymers: gelatin (2, 4 wt. %), alginate (1, 1.5 wt. %), and chondroitin sulfate (0.5 wt. %) were carefully prepared and thoroughly characterized with commensurate characterizations. The composite sample composed of gelatin (2 wt. %), alginate (1.5 wt. %), chondroitin sulfate (0.5 wt. %), and also CDHA nanoparticles and α-CSH with P/L ratios of 0.1 and 2.1 g/ml, respectively, exhibited optimal properties in terms of injectability, anti-washout performance, and rheological characteristics. After 14 days of immersion of the chosen sample in the simulated body fluid medium, a dense layer of apatite was formed on the surface of the composite paste. The cellular in vitro tests, such as 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay (MTT), alkaline phosphatase assay, 4',6-diamidino-2-phenylindole staining, and cellular attachment, revealed the desirable response of MG-63 cells to the composite paste. The chondroitin sulfate significantly improved the injectability, anti-washout performance, and cellular response of the samples. Considering the promising features of the composite paste prepared in this research work, it could be considered as an alternative injectable bioactive material for bone repair applications.[Formula: see text].
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Affiliation(s)
- Alireza Chamansara
- Nanotechnology and Advanced Materials Department, 48472Materials and Energy Research Center, Karaj, Iran
| | - Aliasghar Behnamghader
- Nanotechnology and Advanced Materials Department, 48472Materials and Energy Research Center, Karaj, Iran
| | - Ali Zamanian
- Nanotechnology and Advanced Materials Department, 48472Materials and Energy Research Center, Karaj, Iran
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Zhang G, Cao D, Wang X, Guo S, Yang Z, Cui P, Wang Q, Dou Y, Cheng S, Shen H. α-calcium sulfate hemihydrate with a 3D hierarchical straw-sheaf morphology for use as a remove Pb 2+ adsorbent. Chemosphere 2022; 287:132025. [PMID: 34461332 DOI: 10.1016/j.chemosphere.2021.132025] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 08/22/2021] [Accepted: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Novel three-dimensional hierarchical α-calcium sulfate hemihydrate with a straw-sheaf morphology (3D α-HH straw-sheaves) are synthesized successfully in glycerin aqueous solution by a simple one-pot method, using as an efficient adsorbent for Pb2+ removal from water. The 3D straw-sheaf morphology, that closely depends on the glycerin/water volume ratio (VGly/VH2O), can be accurately fabricated only when VGly/VH2O is not lower than 3/1. 3D α-HH straw-sheaves are generated via multistep-splitting growth coupled with self-assembly. The obtained 3D α-HH straw-sheaves are further used as an adsorbent to remove Pb2+ from water, exhibiting excellent Pb2+ removal performance with an equilibrium adsorption capacity of 79.19 mgPbgα-HH-1 and removal efficiency of 98.98%, that both higher than those of plate- and columnar-like α-HH. Moreover, the experimental adsorption data for the 3D α-HH straw-sheaves is well fitted with pseudo-second-order kinetic model, and the adsorption isotherm is in good agreement with Langmuir model. The Pb2+ adsorption mechanism is thought to be a chemical adsorption process enforced by chemical bonding and ion exchange. This work demonstrates that 3D α-HH straw-sheaves are highly promising in removing Pb2+ from wastewater, thereby broadening the research field for the practical application of gypsum-based materials.
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Affiliation(s)
- Genlei Zhang
- School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, 230009, PR China
| | - Dongjie Cao
- School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, 230009, PR China
| | - Xianshun Wang
- School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, 230009, PR China
| | - Shiyu Guo
- School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, 230009, PR China
| | - Zhenzhen Yang
- School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, 230009, PR China.
| | - Peng Cui
- School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, 230009, PR China.
| | - Qi Wang
- School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, 230009, PR China
| | - Yan Dou
- School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, 230009, PR China
| | - Sheng Cheng
- School of Chemistry and Chemical Engineering, Anhui Province Key Laboratory of Controllable Chemistry Reaction and Material Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, 230009, PR China
| | - Hao Shen
- Anhui Liuguo Chemical Co. Ltd, Tonggang Road 8, Tongling, 244021, PR China
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Jia C, Wu L, Chen Q, Lin J, Yang L, Song Z, Guan B. Distribution behavior of arsenate into α-calcium sulfate hemihydrate transformed from gypsum in solution. Chemosphere 2020; 255:126936. [PMID: 32417511 DOI: 10.1016/j.chemosphere.2020.126936] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 04/28/2020] [Accepted: 04/29/2020] [Indexed: 06/11/2023]
Abstract
Transforming gypsum into α-calcium sulfate hemihydrate (α-HH) provides a promising utilization pathway for the abundant amount of chemical gypsum. The transformation follows the route of "dissolution-recrystallization", during which the arsenic pollutant in gypsum is released into the solution, and hence raises the possibility of being distributed into the product of α-HH, a potential harm that has always been neglected. Investigation of the transformation process at neutral pH revealed that the arsenate ions in solution were distributed into α-HH and generated an enrichment of arsenic by 4-6 times. Arsenate ions distributed into α-HH by substitution for lattice sulfate, adsorption on α-HH facets and occupation for surface sulfate sites. While at higher concentrations, calcium arsenate coprecipitated with α-HH or even crystallized independently. Increasing temperature accelerated the phase transformation and restrained arsenate migration into α-HH due to the lag of distribution balance. The pH of solution modulated the dominant arsenate species and decreasing pH weakened arsenate substitution capacity for sulfate in α-HH. This work uncovers arsenate distribution mechanism during the transformation of gypsum into α-HH and provides a feasible method to restrain arsenate distribution into product, which helps to understand arsenate behavior in hydrothermal solution with high concentration of sulfate minerals and provides a guidance for controlling pollutants distribution into product.
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Affiliation(s)
- Caiyun Jia
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China; Physical Science Division, Pacific Northwest National Laboratory, Richland, WA, 99352, USA
| | - Luchao Wu
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Qiaoshan Chen
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Junming Lin
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Li Yang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Zirong Song
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Baohong Guan
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
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Meng ZL, Wu ZQ, Shen BX, Li HB, Bian YY, Zeng DL, Fu J, Peng L. Reconstruction of large segmental bone defects in rabbit using the Masquelet technique with α-calcium sulfate hemihydrate. J Orthop Surg Res 2019; 14:192. [PMID: 31242906 PMCID: PMC6595676 DOI: 10.1186/s13018-019-1235-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 06/11/2019] [Indexed: 12/17/2022] Open
Abstract
Background Large segmental bone defects can be repaired using the Masquelet technique in conjunction with autologous cancellous bone (ACB). However, ACB harvesting is severely restricted. α-calcium sulfate hemihydrate (α-CSH) is an outstanding bone substitute due to its easy availability, excellent biocompatibility, biodegradability, and osteoconductivity. However, the resorption rate of α-CSH is too fast to match the rate of new bone formation. The objective of this study was to investigate the bone repair capacity of the Masquelet technique in conjunction with isolated α-CSH or an α-CSH/ACB mix in a rabbit critical-sized defect model. Methods The rabbits (n = 28) were randomized into four groups: sham, isolated α-CSH, α-CSH/ACB mix, and isolated ACB group. A 15-mm critical-sized defect was established in the left radius, followed by filling with polymethyl methacrylate spacer. Six weeks after the first operation, the spacers were removed and the membranous tubes were grafted with isolated α-CSH, isolated ACB, α-CSH/ACB mix, or none. Twelve weeks later, the outcomes were evaluated by manual assessment, radiography, and spiral-CT. The histopathological and morphological changes were examined by H&E staining. The levels of alkaline phosphatase and osteocalcin were analyzed by immunohistochemistry and immunofluorescence staining. Results Our results suggest that the bone repair capacity of the α-CSH/ACB mix group was similar to the isolated ACB group, while the isolated α-CSH group was significantly decreased compared to the isolated ACB group. Conclusion These results highlighted a promising strategy in the healing of large segmental bone defect with the Masquelet technique in conjunction with an α-CSH/ACB mix (1:1, w/w) as they possessed the combined effects of sufficient supply and low resorption.
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Affiliation(s)
- Zhu Long Meng
- Municipal Hospital Affiliated to Medical School of Taizhou University, Taizhou, China.,Department of Trauma Center, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Zi Quan Wu
- Department of Trauma Center, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Bi Xin Shen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hong Bo Li
- Department of Trauma Center, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Yang Yang Bian
- Department of Trauma Center, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - De Lu Zeng
- Department of Trauma Center, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Jian Fu
- Department of Trauma Center, The First Affiliated Hospital of Hainan Medical University, Haikou, China
| | - Lei Peng
- Department of Trauma Center, The First Affiliated Hospital of Hainan Medical University, Haikou, China.
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9
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Xu R, Lian X, Shen Y, Zhang Y, Niu B, Zhang S, Guo Q, Zhang Q, Du J, Li F, Lu Q, Huang D, Wei Y. Calcium sulfate bone cements with nanoscaled silk fibroin as inducer. J Biomed Mater Res B Appl Biomater 2019; 107:2611-2619. [PMID: 30839171 DOI: 10.1002/jbm.b.34350] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 01/31/2019] [Accepted: 02/18/2019] [Indexed: 12/13/2022]
Abstract
Both nanostructures and conformations of different protein/polysaccharide additives have critical influence on the performance of calcium sulfate (CS) bone cements. Silk fibroin (SF) as matrix and additives has been introduced to develop bone scaffolds and cements. Here, β-sheet-rich SF nanofibers (SFF) was used to tune the solidification of CS, achieving better mechanical and biological properties. The ratio of SFF was adjusted to further optimize CS functions. Compared to that regulated with natural silk fibers (NSF) and SF solutions (SFS), the SFF-induced CS showed smaller size and more filament structures. Better mechanical properties were achieved, suggesting the superiority of the SFF as the solidifying solution to combine with α-calcium sulfate hemihydrate (α-CSH) at the same liquid/solid (L/S) ratio. Scanning electron microscope, X-ray diffraction, Fourier transform infrared spectroscopy, setting time, porosity, mechanical performance test, degradation performance test, and water resistance test were used to demonstrate the properties of this bone repair cement. Cell culture experiments in vitro was used to evaluate the biocompatibility of this composited material. In conclusion, the results demonstrated that nanofibers was a better form of SF in the modification of CSH cement. And the research conducted in this article on improving the mechanical and biological properties of CSH would supported the reference for later clinical experiments. © 2019 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B:2611-2619, 2019.
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Affiliation(s)
- Rui Xu
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Xiaojie Lian
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Instisute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Yiling Shen
- Beijing Research Center for Radiation Application, Beijing, China
| | - Yue Zhang
- Beijing Research Center for Radiation Application, Beijing, China
| | - Baolong Niu
- College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Siruo Zhang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Qi Guo
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Quanyou Zhang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Instisute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Jingjing Du
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Instisute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Fen Li
- Shanxi Key Laboratory of Material Strength & Structural Impact, Instisute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Qiang Lu
- Jiangsu Province Key Laboratory of Stem Cell Research, Soochow University, Suzhou, China
| | - Di Huang
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Instisute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Yan Wei
- Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China.,Shanxi Key Laboratory of Material Strength & Structural Impact, Instisute of Biomedical Engineering, Taiyuan University of Technology, Taiyuan, China
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Lee B, Kim G, Nam J, Lee K, Kim G, Lee S, Shin K, Koyama T. Influence of α-Calcium Sulfate Hemihydrate on Setting, Compressive Strength, and Shrinkage Strain of Cement Mortar. Materials (Basel) 2019; 12:E163. [PMID: 30621008 DOI: 10.3390/ma12010163] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 12/27/2018] [Accepted: 01/02/2019] [Indexed: 11/17/2022]
Abstract
This study focused on the quick initial setting time and the expansion strain that occurs during the early aging of α-calcium sulfate hemihydrate (αHH) and examined the setting, compressive strength, and shrinkage strain of αHH-replaced cement mortar. The results show that the initial setting time significantly decreased with an increase in the αHH replacement ratio. Drastic occurrence of ettringite was observed early in the aging of cement mortar when αHH was substituted into the cement; however, the ettringite was not converted to monosulfate with increasing age and thus was not favorable for the development of the compressive strength. When αHH was substituted into cement, using Portland blast-furnace slag cement (PSC) was more advantageous than using ordinary Portland cement (OPC) for the development of the compressive strength. Meanwhile, the expansion of early age αHH can decrease the shrinkage strain of cement mortar. The generation of ettringite is more effective when αHH is substituted into PSC than into OPC and is thus more effective in suppressing the shrinkage strain.
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