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Gu J, Liu X, Cui P, Yi X. Multifunctional bioactive glasses with spontaneous degradation for simultaneous osteosarcoma therapy and bone regeneration. BIOMATERIALS ADVANCES 2023; 154:213626. [PMID: 37722164 DOI: 10.1016/j.bioadv.2023.213626] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 08/31/2023] [Accepted: 09/12/2023] [Indexed: 09/20/2023]
Abstract
For the treatment of tumor-related bone defects resulting from surgical resection, simultaneous eradication of residual tumor cells and repair of bone defects represent a challenge. To date, photothermal therapy based on photothermal materials is used to remove residual tumor cells under near infrared light. However, most of photothermal materials have no function for bone repair, and even if combined with bioactive materials to enhance osteogenesis, they still cause potential harm to the body due to inability to degrade or poor degradability. Herein, multifunctional bioactive glasses (PGFe5-1100, PGCu5-1100) based on phosphate glass doped with transition metal elements were prepared for photothermal ablation, bone regeneration, and controllable degradation. The glasses exhibited excellent photothermal effect, which was derived from the electron in-band transition after light absorption due to energy level splitting of doped transition metal element and the subsequent electron nonradiative relaxation. The photothermal performance can be controlled by laser power density, element doping content and glass melting temperature. Moreover, the hyperthermia induced by the glasses can effectively kill tumor cells in vitro. In addition, the glasses degraded over time, and the released P, Ca, Na, Fe could promote bone cell proliferation and osteogenic differentiation. Therefore, these results successfully demonstrated that transition metal element-doped phosphate glasses have multifunctional abilities of tumor elimination, bone regeneration, and spontaneous degradation simultaneously with better biosecurity and bioactivity, which is believed to pave the way for the design of novel biomaterials for osteosarcoma treatment.
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Affiliation(s)
- Jiafei Gu
- New Materials Institute, University of Nottingham Ningbo China, Ningbo 315100, China
| | - Xiaoling Liu
- Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo 315100, China.
| | - Ping Cui
- Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo 315100, China
| | - Xiaosu Yi
- Faculty of Science and Engineering, University of Nottingham Ningbo China, Ningbo 315100, China
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Kumawat VS, Bandyopadhyay-Ghosh S, Ghosh SB. An overview of translational research in bone graft biomaterials. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023; 34:497-540. [PMID: 36124544 DOI: 10.1080/09205063.2022.2127143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Natural bone healing is often inadequate to treat fractures with critical size bone defects and massive bone loss. Immediate surgical interventions through bone grafts have been found to be essential on such occasions. Naturally harvested bone grafts, although are the preferred choice of the surgeons; they suffer from serious clinical limitations, including disease transmission, donor site morbidity, limited supply of graft etc. Synthetic bone grafts, on the other hand, offer a more clinically appealing approach to decode the pathways of bone repair through use of tissue engineered biomaterials. This article critically retrospects the translational research on various engineered biomaterials towards bringing transformative changes in orthopaedic healthcare. The first section of the article discusses about composition and ultrastructure of bone along with the global perspectives on statistical escalation of bone fracture surgeries requiring use of bone grafts. The next section reviews the types, benefits and challenges of various natural and synthetic bone grafts. An overview of clinically relevant biomaterials from traditionally used metallic, bioceramic, and biopolymeric biomaterials to new generation composites have been summarised. Finally, this narrative review concludes with the discussion on the emerging trends and future perspectives of the promising bone grafts.
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Affiliation(s)
- Vijay Shankar Kumawat
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Manipal University Jaipur, Jaipur, Rajasthan, India.,Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, Rajasthan, India
| | - Sanchita Bandyopadhyay-Ghosh
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Manipal University Jaipur, Jaipur, Rajasthan, India.,Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, Rajasthan, India
| | - Subrata Bandhu Ghosh
- Engineered Biomedical Materials Research and Innovation Centre (EnBioMatRIC), Manipal University Jaipur, Jaipur, Rajasthan, India.,Department of Mechanical Engineering, Manipal University Jaipur, Jaipur, Rajasthan, India
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Oosterbeek RN, Margaronis KI, Zhang XC, Best SM, Cameron RE. Non-linear dissolution mechanisms of sodium calcium phosphate glasses as a function of pH in various aqueous media. Ann Ital Chir 2021. [DOI: 10.1016/j.jeurceramsoc.2020.08.076] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Physico‐chemical, thermal, and mechanical properties of
PLA‐nHA
nanocomposites: Effect of glass fiber reinforcement. J Appl Polym Sci 2020. [DOI: 10.1002/app.49286] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Sharmin N, Hasan MS, Islam MT, Pang C, Gu F, Parsons AJ, Ahmed I. Effect of dissolution rate and subsequent ion release on cytocompatibility properties of borophosphate glasses. BIOMEDICAL GLASSES 2019. [DOI: 10.1515/bglass-2019-0008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractPresent work explores the relationship between the composition, dissolution rate, ion release and cytocompatibility of a series of borophosphate glasses. While, the base glass was selected to be 40mol%P2O5-16mol%CaO-24mol%MgO-20mol%Na2O, three B2O3 modified glass compositions were formulated by replacing Na2O with 1, 5 and 10 mol% B2O3. Ion release study was conducted using inductively coupled plasma atomic emission spectroscopy (ICP-AES). The thermal scans of the glasses as determined by differential scanning calorimetry (DSC) revealed an increment in the thermal properties with increasing B2O3 content in the glasses. On the other hand, the dissolution rate of the glasses decreased with increasing B2O3 content. To identify the effect of boron ion release on the cytocompatibility properties of the glasses, MG63 cells were cultured on the surface of the glass discs. The in vitro cell culture study suggested that glasses with 5 mol% B2O3 (P40B5) showed better cell proliferation and metabolic activity as compares to the glasses with 10 mol% (P40B10) or with no B2O3 (P40B0). The confocal laser scanning microscopy (CLSM) images of live/dead stained MG63 cells attached to the surface of the glasses also revealed that the number of dead cells attached to P40B5 glasses were significantly lower than both P40B0 and P40B10 glasses.
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Affiliation(s)
- Nusrat Sharmin
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, China; Ningbo Nottingham International Academy for the Marine Economy and Technology, University of Nottingham Ningbo China, Ningbo, 315100, China; Ningbo Nottingham New Materials Institute, University of Nottingham Ningbo China, Ningbo, 315100, China
| | - Mohammad S. Hasan
- Advanced Materials Research Group, Healthcare Technologies, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
| | - Md. Towhidul Islam
- Advanced Materials Research Group, Healthcare Technologies, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
| | - Chengheng Pang
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, China
| | - Fu Gu
- Department of Chemical and Environmental Engineering, University of Nottingham Ningbo China, China
| | - Andrew J. Parsons
- Composites Research Group, Healthcare Technologies, Faculty of Engineering, University of Nottingham, NG7 2RD, United Kingdom
| | - Ifty Ahmed
- Advanced Materials Research Group, Healthcare Technologies, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
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He L, Zhong J, Zhu C, Liu X. Mechanical properties and in vitrodegradation behavior of additively manufactured phosphate glass particles/fibers reinforced polylactide. J Appl Polym Sci 2019. [DOI: 10.1002/app.48171] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Lizhe He
- University of Nottingham Ningbo China Ningbo 315100 China
| | - Jiahui Zhong
- University of Nottingham Ningbo China Ningbo 315100 China
| | - Chenkai Zhu
- University of Nottingham Ningbo China Ningbo 315100 China
| | - Xiaoling Liu
- University of Nottingham Ningbo China Ningbo 315100 China
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Cao XY, Tian N, Dong X, Cheng CK. Polylactide Composite Pins Reinforced with Bioresorbable Continuous Glass Fibers Demonstrating Bone-like Apatite Formation and Spiral Delamination Degradation. Polymers (Basel) 2019; 11:E812. [PMID: 31064109 PMCID: PMC6572480 DOI: 10.3390/polym11050812] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2019] [Revised: 04/30/2019] [Accepted: 04/30/2019] [Indexed: 11/17/2022] Open
Abstract
The emergence of polylactide composites reinforced with bioresorbable silicate glass fibers has allowed for the long-term success of biodegradable polymers in load-bearing orthopedic applications. However, few studies have reported on the degradation behavior and bioactivity of such biocomposites. The aim of this work was to investigate the degradation behavior and in vitro bioactivity of a novel biocomposite pin composed of bioresorbable continuous glass fibers and poly-L-D-lactide in simulated body fluid for 78 weeks. As the materials degraded, periodic spiral delamination formed microtubes and funnel-shaped structures in the biocomposite pins. It was speculated that the direction of degradation, from both ends towards the middle of the fibers and from the surface through to the bulk of the polymer matrix, could facilitate bone healing. Following immersion in simulated body fluid, a bone-like apatite layer formed on the biocomposite pins which had a similar composition and structure to natural bone. The sheet- and needle-like apatite nanostructure was doped with sodium, magnesium, and carbonate ions, which acted to lower the Ca/P atomic ratio to less than the stoichiometric apatite and presented a calcium-deficient apatite with low crystallinity. These findings demonstrated the bioactivity of the new biocomposite pins in vitro and their excellent potential for load-bearing applications.
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Affiliation(s)
- Xiao-Yan Cao
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China.
| | - Na Tian
- Beijing Engineering Laboratory of Functional Medical Materials and Devices, Beijing Naton Technology Group Co. LTD, Beijing 100094, China.
| | - Xiang Dong
- Beijing Engineering Laboratory of Functional Medical Materials and Devices, Beijing Naton Technology Group Co. LTD, Beijing 100094, China.
| | - Cheng-Kung Cheng
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China.
- Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing 100083, China.
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In vitro and in vivo study of pH-sensitive and colon-targeting P(LE-IA-MEG) hydrogel microspheres used for ulcerative colitis therapy. Eur J Pharm Biopharm 2017; 122:70-77. [PMID: 29017953 DOI: 10.1016/j.ejpb.2017.10.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 10/01/2017] [Accepted: 10/06/2017] [Indexed: 01/10/2023]
Abstract
Hydrocortisone sodium succinate (HSS) is an anti-inflammatory drug, but its application on ulcerative colitis (UC) treatment is limited by its associated side-effects. To solve this problem, a kind of pH-sensitive P(LE-IA-MEG) hydrogel microspheres (HMSs) were prepared as the drug carrier of hydrocortisone sodium succinate (HSS) for the treatment of UC. The P(LE-IA-MEG) HMSs were spherical in shape with good dispersion and the mean particle size was 34.87±0.90μm. HSS was successfully loaded into the P(LE-IA-MEG) HMSs. The in vitro release study of HSS-loaded HMSs (HSS-HMSs) revealed that the HSS-HMSs possessed desirable pH-sensitivity, the cumulative release rate was 4.07% and 94.64% in the solution with pH 1.2 and pH 7.4 solution during 12h, respectively. Furthermore, the study on pharmacokinetic, gastrointestinal drug residue and side-effects were conducted to evaluate the in vivo colon-targeting property of the HSS-HMSs. All the results showed that the HSS-HMSs could deliver HSS to the colon as well as reduce its premature absorption in the upper gastrointestinal tract. Finally, the HSS-HMSs showed better ameliorative effects and therapeutic effects on mice with experimental colitis as compared to HSS. In conclusion, the HSS-HMSs had great potential in the treatment of UC.
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