1
|
Lun DX, Li SY, Li NN, Mou LM, Li HQ, Zhu WP, Li HF, Hu YC. Limitations and modifications in the clinical application of calcium sulfate. Front Surg 2024; 11:1278421. [PMID: 38486794 PMCID: PMC10937423 DOI: 10.3389/fsurg.2024.1278421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 01/29/2024] [Indexed: 03/17/2024] Open
Abstract
Calcium sulfate and calcium sulfate-based biomaterials have been widely used in non-load-bearing bone defects for hundreds of years due to their superior biocompatibility, biodegradability, and non-toxicity. However, lower compressive strength and rapid degradation rate are the main limitations in clinical applications. Excessive absorption causes a sharp increase in sulfate ion and calcium ion concentrations around the bone defect site, resulting in delayed wound healing and hypercalcemia. In addition, the space between calcium sulfate and the host bone, resulting from excessively rapid absorption, has adverse effects on bone healing or fusion techniques. This issue has been recognized and addressed. The lack of sufficient mechanical strength makes it challenging to use calcium sulfate and calcium sulfate-based biomaterials in load-bearing areas. To overcome these defects, the introduction of various inorganic additives, such as calcium carbonate, calcium phosphate, and calcium silicate, into calcium sulfate is an effective measure. Inorganic materials with different physical and chemical properties can greatly improve the properties of calcium sulfate composites. For example, the hydrolysis products of calcium carbonate are alkaline substances that can buffer the acidic environment caused by the degradation of calcium sulfate; calcium phosphate has poor degradation, which can effectively avoid the excessive absorption of calcium sulfate; and calcium silicate can promote the compressive strength and stimulate new bone formation. The purpose of this review is to review the poor properties of calcium sulfate and its complications in clinical application and to explore the effect of various inorganic additives on the physicochemical properties and biological properties of calcium sulfate.
Collapse
Affiliation(s)
- Deng-xing Lun
- Department of Spinal Degeneration and Oncology, Weifang People’s Hospital, Weifang City, Shandong, China
| | - Si-ying Li
- Department of Spinal Degeneration and Oncology, Weifang People’s Hospital, Weifang City, Shandong, China
| | - Nian-nian Li
- Department of Spinal Degeneration and Oncology, Weifang People’s Hospital, Weifang City, Shandong, China
| | - Le-ming Mou
- Department of Spinal Degeneration and Oncology, Weifang People’s Hospital, Weifang City, Shandong, China
| | - Hui-quan Li
- Department of Spinal Degeneration and Oncology, Weifang People’s Hospital, Weifang City, Shandong, China
| | - Wan-ping Zhu
- Department of Spinal Degeneration and Oncology, Weifang People’s Hospital, Weifang City, Shandong, China
| | - Hong-fei Li
- Department of Spinal Degeneration and Oncology, Weifang People’s Hospital, Weifang City, Shandong, China
| | - Yong-cheng Hu
- Department of Bone Oncology, Tianjin Hospital, Tianjin, China
| |
Collapse
|
2
|
Sheng X, Li C, Wang Z, Xu Y, Sun Y, Zhang W, Liu H, Wang J. Advanced applications of strontium-containing biomaterials in bone tissue engineering. Mater Today Bio 2023; 20:100636. [PMID: 37441138 PMCID: PMC10333686 DOI: 10.1016/j.mtbio.2023.100636] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 04/04/2023] [Accepted: 04/14/2023] [Indexed: 07/15/2023] Open
Abstract
Strontium (Sr) and strontium ranelate (SR) are commonly used therapeutic drugs for patients suffering from osteoporosis. Researches have showed that Sr can significantly improve the biological activity and physicochemical properties of materials in vitro and in vivo. Therefore, a large number of strontium containing biomaterials have been developed for repairing bone defects and promoting osseointegration. In this review, we provide a comprehensive overview of Sr-containing biomaterials along with the current state of their clinical use. For this purpose, the different types of biomaterials including calcium phosphate, bioactive glass, and polymers are discussed and provided future outlook on the fabrication of the next-generation multifunctional and smart biomaterials.
Collapse
|
3
|
Sadeghzade S, Liu J, Wang H, Li X, Cao J, Cao H, Tang B, Yuan H. Recent advances on bioactive baghdadite ceramic for bone tissue engineering applications: 20 years of research and innovation (a review). Mater Today Bio 2022; 17:100473. [PMID: 36345364 PMCID: PMC9636580 DOI: 10.1016/j.mtbio.2022.100473] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/08/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022] Open
Abstract
Various artificial bone graft substitutes based on ceramics have been developed over the last 20 years. Among them, calcium-silicate-based ceramics, which are osteoconductive and can attach directly to biological organs, have received great attention for bone tissue engineering applications. However, the degradation rate of calcium-silicate and bone formation is often out of balance, resulting in stress shielding (osteopenia). A new strategy to improve the drawbacks of these ceramics is incorporating trace elements such as Zn, Mg, and Zr into their lattice structures, enhancing their physical and biological properties. Recently, baghdadite (Ca3ZrSi2O9) ceramic, one of the most appealing calcium-silicate-based ceramics, has demonstrated high bioactivity, biocompatibility, biodegradability, and cell interaction. Because of its physical, mechanical, and biological properties and ability to be shaped using various fabrication techniques, baghdadite has found high potential in various biomedical applications such as coatings, fillers, cement, scaffolds, and drug delivery systems. Undoubtedly, there is a high potential for this newly developed ceramic to contribute significantly to therapies to provide a tremendous clinical outcome. This review paper aims to summarize and discuss the most relevant studies performed on baghdadite-based ceramics and composites by focusing on their behavior in vivo and in vitro.
Collapse
|
4
|
Chen H, Shen M, Shen J, Li Y, Wang R, Ye M, Li J, Zhong C, Bao Z, Yang X, Li X, Gou Z, Xu S. A new injectable quick hardening anti-collapse bone cement allows for improving biodegradation and bone repair. BIOMATERIALS ADVANCES 2022; 141:213098. [PMID: 36063576 DOI: 10.1016/j.bioadv.2022.213098] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 07/26/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
The development of injectable cement-like biomaterials via a minimally invasive approach has always attracted considerable clinical interest for modern bone regeneration and repair. Although α-tricalcium phosphate (α-TCP) powders may readily react with water to form hydraulic calcium-deficient hydroxyapatite (CDHA) cement, its long setting time, poor anti-collapse properties, and low biodegradability are suboptimal for a variety of clinical applications. This study aimed to develop new injectable α-TCP-based bone cements via strontium doping, α-calcium sulfate hemihydrate (CSH) addition and liquid phase optimization. A combination of citric acid and chitosan was identified to facilitate the injectable and anti-washout properties, enabling higher resistance to structure collapse. Furthermore, CSH addition (5 %-15 %) was favorable for shortening the setting time (5-20 min) and maintaining the compressive strength (10-14 MPa) during incubation in an aqueous buffer medium. These α-TCP-based composites could also accelerate the biodegradation rate and new bone regeneration in rabbit lateral femoral bone defect models in vivo. Our studies demonstrate that foreign ion doping, secondary phase addition and liquid medium optimization could synergistically improve the physicochemical properties and biological performance of α-TCP-based bone cements, which will be promising biomaterials for repairing bone defects in situations of trauma and diseased bone.
Collapse
Affiliation(s)
- Huaizhi Chen
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Miaoda Shen
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Jian Shen
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Yifan Li
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Ruo Wang
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Meihan Ye
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Jiafeng Li
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Cheng Zhong
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Zhaonan Bao
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China
| | - Xianyan Yang
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China
| | - Xigong Li
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Zhongru Gou
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China.
| | - Sanzhong Xu
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China.
| |
Collapse
|
5
|
Abdalla MM, Lung CYK, Bijle MN, Yiu CKY. Physicochemical Properties and Inductive Effect of Calcium Strontium Silicate on the Differentiation of Human Dental Pulp Stem Cells for Vital Pulp Therapies: An In Vitro Study. MATERIALS (BASEL, SWITZERLAND) 2022; 15:5854. [PMID: 36079235 PMCID: PMC9457449 DOI: 10.3390/ma15175854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/05/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
The development of biomaterials that exhibit profound bioactivity and stimulate stem cell differentiation is imperative for the success and prognosis of vital pulp therapies. The objectives were to (1) synthesize calcium strontium silicate (CSR) ceramic through the sol−gel process (2) investigate its physicochemical properties, bioactivity, cytocompatibility, and its stimulatory effect on the differentiation of human dental pulp stem cells (HDPSC). Calcium silicate (CS) and calcium strontium silicate (CSR) were synthesized by the sol−gel method and characterized by x-ray diffraction (XRD). Setting time, compressive strength, and pH were measured. The in vitro apatite formation was evaluated by SEM-EDX and FTIR. The NIH/3T3 cell viability was assessed using an MTT assay. The differentiation of HDPSC was evaluated using alkaline phosphatase activity (ALP), and Alizarin red staining (ARS). Ion release of Ca, Sr, and Si was measured using inductive coupled plasma optical emission spectroscopy (ICP-OES). XRD showed the synthesis of (CaSrSiO4). The initial and final setting times were significantly shorter in CSR (5 ± 0.75 min, 29 ± 1.9 min) than in CS (8 ± 0.77 min, 31 ± 1.39 min), respectively (p < 0.05). No significant difference in compressive strength was found between CS and CSR (p > 0.05). CSR demonstrated higher apatite formation and cell viability than CS. The ALP activity was significantly higher in CSR 1.16 ± 0.12 than CS 0.92 ± 0.15 after 14 d of culture (p < 0.05). ARS showed higher mineralization in CSR than CS after 14 and 21 d culture times. CSR revealed enhanced differentiation of HDPSC, physicochemical properties, and bioactivity compared to CS.
Collapse
Affiliation(s)
- Mohamed Mahmoud Abdalla
- Paediatric Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
- Dental Biomaterials, Faculty of Dental Medicine, Al-Azhar University, Cairo 11651, Egypt
| | - Christie Y. K. Lung
- Dental Materials Science, Applied Oral Sciences, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| | - Mohammed Nadeem Bijle
- Paediatric Dentistry, Department of Clinical Sciences, College of Dentistry, Ajman University, Ajman P.O. Box 346, United Arab Emirates
| | - Cynthia Kar Yung Yiu
- Paediatric Dentistry, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
| |
Collapse
|
6
|
Li Y, Zhang D, Wan Z, Yang X, Cai Q. Dental resin composites with improved antibacterial and mineralization properties via incorporating zinc/strontium-doped hydroxyapatite as functional fillers. Biomed Mater 2022; 17. [PMID: 35483341 DOI: 10.1088/1748-605x/ac6b72] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 04/28/2022] [Indexed: 11/12/2022]
Abstract
This study intends to improve the antibacterial and mineralization performance of photocurable dental resin composites (DRCs) to reduce the possibility of repair failure caused by secondary caries. To the end, functionalized hydroxyapatite (HAp), including Zn-doped (Zn/HAp) and Sr-doped HAp (Sr/HAp), were added into the bisphenol A glycidyl methacrylate and triethylene glycol dimethacrylate mixture, providing the DRCs with antibacterial and mineralization capacity, respectively. By controlling the total amount of inorganic filler at 70 wt%, these HAp powders were introduced into the resin matrix with barium glass powder (BaGP), while the ratios of HAp to aGP varied from 0:70 to 8:62. And the 8 wt% of HAp could be pure HAp, Zn/HAp, Sr/HAp, or Zn/HAp +Sr/HAp in different ratios (i.e. 2:6, 4:4, 6:2). Though the fillers varied, the obtained DRCs displayed similar micro-morphology, flexural strength (∼110 MPa) and modulus (∼7 GPa), and Vickers hardness (∼65). When the doping amounts of Sr2+/Zn2+reached 15 mol% of Ca2+in the Sr/HAp and Zn/HAp, the DRCs displayed a high antibacterial activity by killing ∼95%Staphylococcus aureus, and induced rich mineral deposition on surface in simulated body fluid. The incorporation of the Zn/HAp and Sr/HAp into the DRCs did not cause significant cytotoxicity, with L929 fibroblasts remaining >99% viability as cultured in extracts made from the DRCs. Therein, the DRC preparations containing both Zn/HAp and Sr/HAp have achieved improvements in both the biomineralization and antibacterial performance, as well as, having sufficient mechanical properties and excellent biocompatibility for dental restoration.
Collapse
Affiliation(s)
- Yechen Li
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Daixing Zhang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Zhuo Wan
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| | - Xiaoping Yang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China.,Foshan (Southern China) Institute for New Materials, Foshan 528200, Guangdong, People's Republic of China
| | - Qing Cai
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
| |
Collapse
|
7
|
Wu R, Li Y, Shen M, Yang X, Zhang L, Ke X, Yang G, Gao C, Gou Z, Xu S. Bone tissue regeneration: The role of finely tuned pore architecture of bioactive scaffolds before clinical translation. Bioact Mater 2021; 6:1242-1254. [PMID: 33210022 PMCID: PMC7653208 DOI: 10.1016/j.bioactmat.2020.11.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/31/2020] [Accepted: 11/01/2020] [Indexed: 12/26/2022] Open
Abstract
Spatial dimension of pores and interconnection in macroporous scaffolds is of particular importance in facilitating endogenous cell migration and bone tissue ingrowth. However, it is still a challenge to widely tune structure parameters of scaffolds by conventional methods because of inevitable pore geometrical deformation and poor pore interconnectivity. Here, the long-term in vivo biological performances of nonstoichiometric bioceramic scaffolds with different pore dimensions were assessed in critical-size femoral bone defect model. The 6% Mg-substituted wollastonite (CSi-Mg6) powders were prepared via wet-chemical precipitation and the scaffolds elaborately printed by ceramic stereolithography, displaying designed constant pore strut and tailorable pore height (200, 320, 450, 600 μm), were investigated thoroughly in the bone regeneration process. Together with detailed structural stability and mechanical properties were collaboratively outlined. Both μCT and histological analyses indicated that bone tissue ingrowth was retarded in 200 μm scaffolds in the whole stage (2-16 weeks) but the 320 μm scaffolds showed appreciable bone tissue in the center of porous constructs at 6-10 weeks and matured bone tissue were uniformly invaded in the whole pore networks at 16 weeks. Interestingly, the neo-tissue ingrowth was facilitated in the 450 μm and 600 μm scaffolds after 2 weeks and higher extent of bone regeneration and remodeling at the later stage. These new findings provide critical information on how engineered porous architecture impact bone regeneration in vivo. Simultaneously, this study shows important implications for optimizing the porous scaffolds design by advanced additive manufacture technique to match the clinical translation with high performance.
Collapse
Affiliation(s)
- Ronghuan Wu
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yifan Li
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Miaoda Shen
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Xianyan Yang
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou, 310058, China
| | - Lei Zhang
- Rui'an People's Hospital & the 3rd Hospital Affiliated to Wenzhou Medical University, Rui’ An, 325200, China
| | - Xiurong Ke
- Rui'an People's Hospital & the 3rd Hospital Affiliated to Wenzhou Medical University, Rui’ An, 325200, China
| | - Guojing Yang
- Rui'an People's Hospital & the 3rd Hospital Affiliated to Wenzhou Medical University, Rui’ An, 325200, China
| | - Changyou Gao
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou, 310058, China
| | - Zhongru Gou
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou, 310058, China
| | - Sanzhong Xu
- Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| |
Collapse
|
8
|
Zhang LY, Bi Q, Zhao C, Chen JY, Cai MH, Chen XY. Recent Advances in Biomaterials for the Treatment of Bone Defects. Organogenesis 2020; 16:113-125. [PMID: 32799735 DOI: 10.1080/15476278.2020.1808428] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Bone defects or fractures generally heal in the absence of major interventions due to the high regenerative capacity of bone tissue. However, in situations of severe/large bone defects, these orchestrated regeneration mechanisms are impaired. With advances in modern medicine, natural and synthetic bio-scaffolds from bioceramics and polymers that support bone growth have emerged and gained intense research interest. In particular, scaffolds that recapitulate the molecular cues of extracellular signals, particularly growth factors, offer potential as therapeutic bone biomaterials. The current challenges for these therapies include the ability to engineer materials that mimic the biological and mechanical properties of the real bone tissue matrix, whilst simultaneously supporting bone vascularization. In this review, we discuss the very recent innovative strategies in bone biomaterial technology, including those of endogenous biomaterials and cell/drug delivery systems that promote bone regeneration. We present our understanding of their current value and efficacy, and the future perspectives for bone regenerative medicine.
Collapse
Affiliation(s)
- Le-Yi Zhang
- Department of General Surgery, Chun'an First People's Hospital (Zhejiang Provincial People's Hospital Chun'an Branch) , Hangzhou, Zhejiang Province, China
| | - Qing Bi
- Department of Orthopedics, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College) , Hangzhou, China
| | - Chen Zhao
- Department of Orthopedics, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College) , Hangzhou, China
| | - Jin-Yang Chen
- Research and Development Department, Zhejiang Healthfuture Institute for Cell-Based Applied Technology , Hangzhou, Zhejiang Province, China
| | - Mao-Hua Cai
- Department of General Surgery, Chun'an First People's Hospital (Zhejiang Provincial People's Hospital Chun'an Branch) , Hangzhou, Zhejiang Province, China
| | - Xiao-Yi Chen
- Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College) , Hangzhou, China.,Clinical Research Institute, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College) , Hangzhou, China
| |
Collapse
|
9
|
Shen J, Wu R, Shen M, Wei Y, Lei L, Chen L, Yang X, Jin Z, Xu S, Gou Z. Effect of Foreign Ion Substitution and Micropore Tuning in Robocasting Single-Phase Bioceramic Scaffolds on the Physicochemical Property and Vascularization. ACS APPLIED BIO MATERIALS 2020; 3:292-301. [PMID: 35019445 DOI: 10.1021/acsabm.9b00817] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The inorganic powder slurry extrusion printing technique known as robocasting is an interesting method to fabricate complex porous architectures whereby feedstocks containing organic binders and powders are printed and the resulting scaffolds are subjected to sintering. A major limiting factor of this technique is the simultaneous tailoring of vascularization efficacy and osteogenic activity, usually done by adding the secondary phase in the organic slurry before the writing step. Mechanical mixing of biphasic powders is required to avoid compromising the biological performance and physical defects caused by significantly different physicochemical properties. This study addresses this issue by developing a selective ion doping and microstructure tuning for the production of bioceramic scaffolds with a binozzle robocasting process. Different metal ions (Sr2+, Mg2+) were doped into wollastonite (CaSiO3; CSi) powders considering the mechanical stability and bioactive enhancement of the bioceramic scaffolds. Subsequently, the Mg-doped CSi slurries were used as shell-nozzle feedstocks added with 5, 10, and 15 μm diameter polystyrene microbeads that allowed shell-layer micropore production in pore struts during sintering. Finally, the most promising pore-strut microstructures and mechanical evolution of scaffolds were evaluated, and especially the enhanced fibrovascularization potential was confirmed in dorsal muscle embedding model in rabbits. This study may open an avenue to designing multiproperty-tuned macro- and microporous bioceramics for bone regenerative medicine, especially in challenging bone defect conditions.
Collapse
Affiliation(s)
- Jianhua Shen
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China
| | - Ronghuan Wu
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Miaoda Shen
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Yingming Wei
- Department of Oral Medicine, the Second Affiliated hospital, School of Medicine of Zhejiang University, Hangzhou 310009, China
| | - Lihong Lei
- Department of Oral Medicine, the Second Affiliated hospital, School of Medicine of Zhejiang University, Hangzhou 310009, China
| | - Lili Chen
- Department of Oral Medicine, the Second Affiliated hospital, School of Medicine of Zhejiang University, Hangzhou 310009, China
| | - Xianyan Yang
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China
| | - Zhouwen Jin
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China
| | - Sanzhong Xu
- Department of Orthopedics, the First Affiliated Hospital, School of Medicine of Zhejiang University, Hangzhou 310003, China
| | - Zhongru Gou
- Bio-nanomaterials and Regenerative Medicine Research Division, Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China
| |
Collapse
|
10
|
Zhuang C, Ke X, Jin Z, Zhang L, Yang X, Xu S, Yang G, Xie L, Prince GAE, Pan Z, Gou Z. Core–shell-structured nonstoichiometric bioceramic spheres for improving osteogenic capability. J Mater Chem B 2017; 5:8944-8956. [PMID: 32264121 DOI: 10.1039/c7tb02295f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Precisely controlling the composition distribution and pore-network evolution in the foreign ion doped, core–shell Ca-silicate bioceramic microspheres is favorable for tailoring osteogenicity in critical size bone defects.
Collapse
|
11
|
Jun W, Peng W, Dianming J, Hong L, Cong L, Xing L, Xiangyang Q, Yujiang C, Ming L. In vitroandin vivocharacterization of strontium-containing calcium sulfate/poly(amino acid) composite as a novel bioactive graft for bone regeneration. RSC Adv 2017. [DOI: 10.1039/c7ra10523a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Doped strontium enhanced the biological activity of CS/PAA composites for repairing large bone defects.
Collapse
Affiliation(s)
- Wu Jun
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Wang Peng
- Sichuan Guona Science and Technology Co., Ltd
- Chengdu 610041
- People's Republic of China
| | - Jiang Dianming
- Center of Bone and Trauma
- The Third Affiliated Hospital of Chongqing Medical University
- Chongqing 400016
- People's Republic of China
| | - Li Hong
- Sichuan Guona Science and Technology Co., Ltd
- Chengdu 610041
- People's Republic of China
| | - Luo Cong
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Liu Xing
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Qu Xiangyang
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Cao Yujiang
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| | - Li Ming
- Department of Orthopaedics
- Children's Hospital of Chongqing Medical University
- Ministry of Education Key Laboratory of Child Development and Disorders
- Chongqing Key Laboratory of Pediatrics
- China International Science and Technology Cooperation base of Child development and Critical Disorders
| |
Collapse
|
12
|
Zhang J, Wang H, Shi J, Wang Y, Lai K, Yang X, Chen X, Yang G. Combination of simvastatin, calcium silicate/gypsum, and gelatin and bone regeneration in rabbit calvarial defects. Sci Rep 2016; 6:23422. [PMID: 26996657 PMCID: PMC4800449 DOI: 10.1038/srep23422] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 03/07/2016] [Indexed: 11/29/2022] Open
Abstract
The present study was performed to determine whether simvastatin improves bone regeneration when combined with calcium silicate/gypsum and gelatin (CS-GEL). The surface morphology was determined using field-emission scanning electron microscopy (FSEM). Degradation in vitro was evaluated by monitoring the weight change of the composites soaked in phosphate buffered saline (PBS). Drug release was evaluated using high-performance liquid chromatography (HPLC). Cytotoxicity testing was performed to assess the biocompatibility of composites. Four 5 mm-diameter bone defects were created in rabbit calvaria. Three sites were filled with CS-GEL, 0.5 mg simvastatin-loaded CS-GEL (SIM-0.5) and 1.0 mg simvastatin-loaded CS-GEL (SIM-1.0), respectively, and the fourth was left empty as the control group. Micro-computed tomography (micro-CT) and histological analysis were carried out at 4 and 12 weeks postoperatively. The composites all exhibited three-dimensional structures and showed the residue with nearly 80% after 4 weeks of immersion. Drug release was explosive on the first day and then the release rate remained stable. The composites did not induce any cytotoxicity. The results in vivo demonstrated that the new bone formation and the expressions of BMP-2, OC and type I collagen were improved in the simvastatin-loaded CS-GEL group. It was concluded that the simvastatin-loaded CS-GEL may improve bone regeneration.
Collapse
Affiliation(s)
- Jing Zhang
- Department of Implantology, Stomatology Hospital, School of Medical, Zhejiang University, Yan’an Road, Hangzhou, P. R. China
| | - Huiming Wang
- Department of Implantology, Stomatology Hospital, School of Medical, Zhejiang University, Yan’an Road, Hangzhou, P. R. China
| | - Jue Shi
- Department of Implantology, Stomatology Hospital, School of Medical, Zhejiang University, Yan’an Road, Hangzhou, P. R. China
| | - Ying Wang
- Department of Endodontics, Stomatology Hospital, School of Medical, Zhejiang University, Yan’an Road, Hangzhou, P. R. China
| | - Kaichen Lai
- Department of Implantology, Stomatology Hospital, School of Medical, Zhejiang University, Yan’an Road, Hangzhou, P. R. China
| | - Xianyan Yang
- Zhejiang-California International Nanosystem Institute, Zhejiang University, Hangzhou 310058, China
| | - Xiaoyi Chen
- Clinical Research Institute, Zhejiang Provincial People’s Hospital, No. 158 Shangtang Road, Hangzhou 310014, Zhejiang Province, China
| | - Guoli Yang
- Department of Implantology, Stomatology Hospital, School of Medical, Zhejiang University, Yan’an Road, Hangzhou, P. R. China
| |
Collapse
|
13
|
Sun M, Liu A, Ma C, Shao H, Yu M, Liu Y, Yan S, Gou Z. Systematic investigation of β-dicalcium silicate-based bone cements in vitro and in vivo in comparison with clinically applied calcium phosphate cement and Bio-Oss®. RSC Adv 2016. [DOI: 10.1039/c5ra21340a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Herein we systematically investigated the biological performance of a β-dicalcium silicate (β-C2S)-based bone cement in comparison with the clinically used calcium phosphate cement (CPC) and Bio-Oss®.
Collapse
Affiliation(s)
- Miao Sun
- Department of Oral and Maxillofacial Surgery
- Second Affiliated Hospital
- School of Medicine
- Zhejiang University
- Hangzhou 310009
| | - An Liu
- Department of Orthopaedic Surgery
- Second Affiliated Hospital
- School of Medicine
- Zhejiang University
- Hangzhou
| | - Chiyuan Ma
- Department of Orthopaedic Surgery
- Second Affiliated Hospital
- School of Medicine
- Zhejiang University
- Hangzhou
| | - Huifeng Shao
- The State Key Lab of Fluid Power Transmission and Control Systems
- College of Mechanical Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Menghua Yu
- Department of Oral and Maxillofacial Surgery
- Second Affiliated Hospital
- School of Medicine
- Zhejiang University
- Hangzhou 310009
| | - Yanming Liu
- Department of Oral and Maxillofacial Surgery
- Second Affiliated Hospital
- School of Medicine
- Zhejiang University
- Hangzhou 310009
| | - Shigui Yan
- Department of Orthopaedic Surgery
- Second Affiliated Hospital
- School of Medicine
- Zhejiang University
- Hangzhou
| | - Zhongru Gou
- Zhejiang-California International Nanosystems Institute
- Zhejiang University
- Hangzhou 310029
- China
| |
Collapse
|
14
|
Strontium and zoledronate hydroxyapatites graded composite coatings for bone prostheses. J Colloid Interface Sci 2015; 448:1-7. [DOI: 10.1016/j.jcis.2015.01.088] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 01/20/2015] [Accepted: 01/31/2015] [Indexed: 11/22/2022]
|
15
|
Vahabzadeh S, Roy M, Bandyopadhyay A, Bose S. Phase stability and biological property evaluation of plasma sprayed hydroxyapatite coatings for orthopedic and dental applications. Acta Biomater 2015; 17:47-55. [PMID: 25638672 DOI: 10.1016/j.actbio.2015.01.022] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Revised: 12/21/2014] [Accepted: 01/16/2015] [Indexed: 11/26/2022]
Abstract
In this work we have investigated the effects of strontium (Sr) dopant on in vitro protein release kinetics and in vivo osteogenic properties of plasma sprayed hydroxyapatite (HA) coatings, along with their dissolution behavior. Plasma sprayed HA coatings are widely used in load-bearing implants. Apart from osseointegration, the new generation of HA coating is expected to deliver biomolecules and/or drugs that can induce osteoinduction. This paper reports the preparation of crystalline and amorphous HA coatings on commercially pure titanium (Cp-Ti) using inductively coupled radio frequency (RF) plasma spray, and their stability at different solution pH. Coatings prepared at 110 mm working distance from the nozzle showed an average Ca ion release of 18 and 90 ppm in neutral and acidic environments, respectively. Decreasing the working distance to 90 mm resulted in the formation of a coating with less crystalline HA and phases with higher solubility products, and consequently higher dissolution over 32 days. A 92% release of a model protein bovine serum albumin (BSA) in phosphate buffer with pH of 7.4 was measured for Sr-doped HA (Sr-HA) coating, while only a 72% release could be measured for pure HA coating. Distortion of BSA during adsorption on coatings revealed a strong interaction between the protein and the coating, with an increase in α-helix content. Osteoid formation was found on Sr-HA implants as early as 7 weeks post implantation compared to HA coated and uncoated Ti implants. After 12 weeks post implantation, osteoid new bone was formed on HA implants; whereas, bone mineralization started on Sr-HA samples. While no osteoid was formed on bare Ti surfaces, bone was completely mineralized on HA and Sr-HA coatings after 16 weeks post implantation. Our results show that both phase stability and chemistry can have a significant influence toward in vitro and in vivo response of HA coatings on Ti implants.
Collapse
|