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Yang M, Cai X, Wang C, Wang Z, Xue F, Chu C, Bai J, Liu Q, Ni X. Highly Stable Amorphous (Pyro)phosphate Aggregates: Pyrophosphate as a Carrier for Bioactive Ions and Drugs in Bone Repair Applications. ACS OMEGA 2024; 9:23724-23740. [PMID: 38854518 PMCID: PMC11154929 DOI: 10.1021/acsomega.4c01660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 05/03/2024] [Accepted: 05/09/2024] [Indexed: 06/11/2024]
Abstract
Pyrophosphate is widely used as an iron supplement because of its excellent complexation and hydrolysis ability; however, there are few reports on the use of pyrophosphate in active ionophores for bone repair. In this research, we proposed a simple and efficient ultrasonic method to prepare magnesium-calcium (pyro)phosphate aggregates (AMCPs). Due to strong hydration, AMCPs maintain a stable amorphous form even at high temperatures (400 °C). By changing the molar ratio of calcium and magnesium ions, the content of calcium and magnesium ions can be customized. AMCPs had surface negativity and complexing ability that realized the controlled release of ions (Ca2+, Mg2+, and P) and drugs (such as doxorubicin) over a long period. Pyrophosphate gave it an excellent bacteriostatic effect. Increasingly released Mg2+ exhibited improved bioactivity though the content of Ca2+ decreased. While Mg2+ content was regulated to 15 wt %, it performed significantly enhanced stimulation on the proliferation, attachment, and differentiation (ALP activity, calcium nodules, and the related gene expression of osteogenesis) of mouse embryo osteoblast precursor cells (MC3T3-E1). Furthermore, the high content of Mg2+ also effectively promoted the proliferation, attachment, and migration of human umbilical vein endothelial cells (HUVECs) and the expression of angiogenic genes. In conclusion, pyrophosphate was an excellent carrier for bioactive ions, and the AMCPs we prepared had a variety of active functions for multiscenario bone repair applications.
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Affiliation(s)
- Mengmeng Yang
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189 Jiangsu, China
- Center of Medical Physics, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, 213003 Jiangsu, China
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166 Jiangsu, China
| | - Xiang Cai
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189 Jiangsu, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Nanjing, 211189 Jiangsu, China
| | - Cheng Wang
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189 Jiangsu, China
| | - Zan Wang
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189 Jiangsu, China
| | - Feng Xue
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189 Jiangsu, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Nanjing, 211189 Jiangsu, China
- Institute of Biomedical Devices (Suzhou), Southeast University, Suzhou 215163, China
| | - Chenglin Chu
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189 Jiangsu, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Nanjing, 211189 Jiangsu, China
| | - Jing Bai
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189 Jiangsu, China
- Jiangsu Key Laboratory for Advanced Metallic Materials, Nanjing, 211189 Jiangsu, China
- Institute of Biomedical Devices (Suzhou), Southeast University, Suzhou 215163, China
- Jiangsu Key Laboratory for Light Metal Alloys, Nanjing 211212, China
| | - Qizhan Liu
- School of Materials Science and Engineering, Southeast University, Nanjing, 211189 Jiangsu, China
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166 Jiangsu, China
| | - Xinye Ni
- Center of Medical Physics, The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, 213003 Jiangsu, China
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He L, Yin J, Gao X. Additive Manufacturing of Bioactive Glass and Its Polymer Composites as Bone Tissue Engineering Scaffolds: A Review. Bioengineering (Basel) 2023; 10:672. [PMID: 37370603 DOI: 10.3390/bioengineering10060672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/20/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Bioactive glass (BG) and its polymer composites have demonstrated great potential as scaffolds for bone defect healing. Nonetheless, processing these materials into complex geometry to achieve either anatomy-fitting designs or the desired degradation behavior remains challenging. Additive manufacturing (AM) enables the fabrication of BG and BG/polymer objects with well-defined shapes and intricate porous structures. This work reviewed the recent advancements made in the AM of BG and BG/polymer composite scaffolds intended for bone tissue engineering. A literature search was performed using the Scopus database to include publications relevant to this topic. The properties of BG based on different inorganic glass formers, as well as BG/polymer composites, are first introduced. Melt extrusion, direct ink writing, powder bed fusion, and vat photopolymerization are AM technologies that are compatible with BG or BG/polymer processing and were reviewed in terms of their recent advances. The value of AM in the fabrication of BG or BG/polymer composites lies in its ability to produce scaffolds with patient-specific designs and the on-demand spatial distribution of biomaterials, both contributing to effective bone defect healing, as demonstrated by in vivo studies. Based on the relationships among structure, physiochemical properties, and biological function, AM-fabricated BG or BG/polymer composite scaffolds are valuable for achieving safer and more efficient bone defect healing in the future.
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Affiliation(s)
- Lizhe He
- Center for Medical and Engineering Innovation, The First Affiliated Hospital of Ningbo University, Ningbo 315010, China
- The State Key Laboratory of Fluid Power Transmission and Control Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310028, China
| | - Jun Yin
- The State Key Laboratory of Fluid Power Transmission and Control Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou 310028, China
| | - Xiang Gao
- Department of Neurosurgery, The First Affiliated Hospital of Ningbo University, Ningbo 315010, China
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Desbord M, Soulié J, Rey C, Combes C. Tunable Behavior in Solution of Amorphous Calcium Ortho/Pyrophosphate Materials: An Acellular In Vitro Study. ACS Biomater Sci Eng 2022; 8:2363-2374. [PMID: 35533345 DOI: 10.1021/acsbiomaterials.1c01618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Amorphous calcium phosphate-based materials are of major interest in the field of bone substitution. Very recently, the low-temperature synthesis of a new family of amorphous calcium phosphate containing both orthophosphate and pyrophosphate ions in controlled proportions has been reported. Despite their interest, especially due to the biochemical role and the hydrolysis of pyrophosphate occurring in vivo, the behavior of such materials when interacting with aqueous media has never been described. Consequently, we herein report the in vitro acellular evolution of three compositions of mixed calcium ortho- and pyrophosphate amorphous materials including a different orthophosphate proportion. As a first step to assess the physicochemical reactivity of these amorphous materials, they were tested in two different media at 37 °C, acidified water and simulated body fluid solution, from 1 h up to 15 days. The results demonstrated that they were quite stable and that they progressively released part of their constitutive ions, highlighting their potential for controlled delivery of bioactive ions (calcium, orthophosphate, and pyrophosphate ions). In addition to these properties, we showed that the material with the highest ortho/(ortho + pyro) phosphate ratio started to crystallize into nanocrystalline apatite analogous to bone mineral within 2 days or 2 weeks depending on the medium. For the other material compositions, no layer of apatite was detected at their surface with SBF testing despite the favorable supersaturation indexes, crystallization being probably inhibited by pyrophosphate ions released in the medium. This varying apatite-forming ability emphasizes the key role of the ortho/(ortho + pyro) phosphate ratio of these materials in their in vitro reactivity and bioactivity, which paves the way for the development of this promising family of amorphous calcium phosphate materials with tunable physicochemical and biological properties.
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Affiliation(s)
- Maximilien Desbord
- CIRIMAT, Université de Toulouse, CNRS, Toulouse INP- ENSIACET, 4 allée Emile Monso, 31030 Toulouse cedex 4, France
| | - Jérémy Soulié
- CIRIMAT, Université de Toulouse, CNRS, Toulouse INP- ENSIACET, 4 allée Emile Monso, 31030 Toulouse cedex 4, France
| | - Christian Rey
- CIRIMAT, Université de Toulouse, CNRS, Toulouse INP- ENSIACET, 4 allée Emile Monso, 31030 Toulouse cedex 4, France
| | - Christèle Combes
- CIRIMAT, Université de Toulouse, CNRS, Toulouse INP- ENSIACET, 4 allée Emile Monso, 31030 Toulouse cedex 4, France
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Comparison of the Morphological and Structural Characteristic of Bioresorbable and Biocompatible Hydroxyapatite-Loaded Biopolymer Composites. NANOMATERIALS 2021; 11:nano11123194. [PMID: 34947543 PMCID: PMC8707529 DOI: 10.3390/nano11123194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 11/21/2022]
Abstract
Calcium phosphate (CaP)-based ceramic–biopolymer composites can be regarded as innovative bioresorbable coatings for load-bearing implants that can promote the osseointegration process. The carbonated hydroxyapatite (cHAp) phase is the most suitable CaP form, since it has the highest similarity to the mineral phase in human bones. In this paper, we investigated the effect of wet chemical preparation parameters on the formation of different CaP phases and compared their morphological and structural characteristics. The results revealed that the shape and crystallinity of CaP particles were strongly dependent on the post-treatment methods, such as heat or alkaline treatment of as-precipitated powders. In the next step, the optimised cHAp particles have been embedded into two types of biopolymers, such as polyvinyl pyrrolidone (PVP) and cellulose acetate (CA). The pure polymer fibres and the cHAp–biopolymer composites were produced using a novel electrospinning technique. The SEM images showed the differences between the morphology and network of CA and PVP fibres as well as proved the successful attachment of cHAp particles. In both cases, the fibres were partially covered with cHAp clusters. The SEM measurements on samples after one week of immersion in PBS solution evidenced the biodegradability of the cHAp–biopolymer composites.
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Lepry WC, Nazhat SN. A Review of Phosphate and Borate Sol–Gel Glasses for Biomedical Applications. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202000055] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- William C. Lepry
- Department of Mining and Materials Engineering McGill University 3610 Rue University Montreal QC H3A 0C5 Canada
| | - Showan N. Nazhat
- Department of Mining and Materials Engineering McGill University 3610 Rue University Montreal QC H3A 0C5 Canada
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Gervais C, Bonhomme C, Laurencin D. Recent directions in the solid-state NMR study of synthetic and natural calcium phosphates. SOLID STATE NUCLEAR MAGNETIC RESONANCE 2020; 107:101663. [PMID: 32325374 DOI: 10.1016/j.ssnmr.2020.101663] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 03/29/2020] [Accepted: 04/02/2020] [Indexed: 06/11/2023]
Abstract
Materials containing a calcium phosphate component have been the subject of much interest to NMR spectroscopists, especially in view of understanding the structure and properties of mineralized tissues like bone and teeth, and of developing synthetic biomaterials for bone regeneration. Here, we present a selection of recent developments in their structural characterization using advanced solid state NMR experiments, highlighting the level of insight which can now be accessed.
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Affiliation(s)
- Christel Gervais
- Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP), UMR 7574, Sorbonne Université, CNRS, 75005, Paris, France
| | - Christian Bonhomme
- Laboratoire de Chimie de la Matière Condensée de Paris (LCMCP), UMR 7574, Sorbonne Université, CNRS, 75005, Paris, France
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Mayen L, Jensen ND, Laurencin D, Marsan O, Bonhomme C, Gervais C, Smith ME, Coelho C, Laurent G, Trebosc J, Gan Z, Chen K, Rey C, Combes C, Soulié J. A soft-chemistry approach to the synthesis of amorphous calcium ortho/pyrophosphate biomaterials of tunable composition. Acta Biomater 2020; 103:333-345. [PMID: 31881314 DOI: 10.1016/j.actbio.2019.12.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/15/2019] [Accepted: 12/19/2019] [Indexed: 12/27/2022]
Abstract
The development of amorphous phosphate-based materials is of major interest in the field of biomaterials science, and especially for bone substitution applications. In this context, we herein report the synthesis of gel-derived hydrated amorphous calcium/sodium ortho/pyrophosphate materials at ambient temperature and in water. For the first time, such materials have been obtained in a large range of tunable orthophosphate/pyrophosphate molar ratios. Multi-scale characterization was carried out thanks to various techniques, including advanced multinuclear solid state NMR. It allowed the quantification of each ionic/molecular species leading to a general formula for these materials: [(Ca2+y Na+z H+3+x-2y-z)(PO43-)1-x(P2O74-)x](H2O)u. Beyond this formula, the analyses suggest that these amorphous solids are formed by the aggregation of colloids and that surface water and sodium could play a role in the cohesion of the whole material. Although the full comprehension of mechanisms of formation and structure is still to be investigated in detail, the straightforward synthesis of these new amorphous materials opens up many perspectives in the field of materials for bone substitution and regeneration. STATEMENT OF SIGNIFICANCE: The metastability of amorphous phosphate-based materials with various chain length often improves their (bio)chemical reactivity. However, the control of the ratio of the different phosphate entities has not been yet described especially for small ions (pyrophosphate/orthophosphate) and using soft chemistry, whereas it opens the way for the tuning of enzyme- and/or pH-driven degradation and biological properties. Our study focuses on elaboration of amorphous gel-derived hydrated calcium/sodium ortho/pyrophosphate solids at 70 °C with a large range of orthophosphate/pyrophosphate ratios. Multi-scale characterization was carried out using various techniques such as advanced multinuclear SSNMR (31P, 23Na, 1H, 43Ca). Analyses suggest that these solids are formed by colloids aggregation and that the location of mobile water and sodium could play a role in the material cohesion.
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Affiliation(s)
- Laëtitia Mayen
- CIRIMAT, Université de Toulouse, CNRS, INPT-ENSIACET, Toulouse, France
| | - Nicholai D Jensen
- ICGM, CNRS-UM-ENSCM, Université de Montpellier, Montpellier, France; Sorbonne Université, CNRS, LCMCP, Paris, France
| | | | - Olivier Marsan
- CIRIMAT, Université de Toulouse, CNRS, INPT-ENSIACET, Toulouse, France
| | | | | | - Mark E Smith
- Department of Chemistry, Lancaster University, Lancaster, UK
| | | | | | - Julien Trebosc
- Université de Lille, UMR 8181, UCCS: Unit of Catalysis and Chemistry of Solids, Lille, France
| | - Zhehong Gan
- National High Magnetic Field Laboratory, Tallahassee, FL, USA
| | - Kuizhi Chen
- National High Magnetic Field Laboratory, Tallahassee, FL, USA
| | - Christian Rey
- CIRIMAT, Université de Toulouse, CNRS, INPT-ENSIACET, Toulouse, France
| | - Christèle Combes
- CIRIMAT, Université de Toulouse, CNRS, INPT-ENSIACET, Toulouse, France
| | - Jérémy Soulié
- CIRIMAT, Université de Toulouse, CNRS, INPT-ENSIACET, Toulouse, France.
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Foroutan F, McGuire J, Gupta P, Nikolaou A, Kyffin BA, Kelly NL, Hanna JV, Gutierrez-Merino J, Knowles JC, Baek SY, Velliou E, Carta D. Antibacterial Copper-Doped Calcium Phosphate Glasses for Bone Tissue Regeneration. ACS Biomater Sci Eng 2019; 5:6054-6062. [DOI: 10.1021/acsbiomaterials.9b01291] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
| | | | | | | | | | - Nicole L. Kelly
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - John V. Hanna
- Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom
| | | | - Jonathan C. Knowles
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, University College London, 256 Gray’s Inn Road, London WC1X 8LD, United Kingdom
- The Discoveries Centre for Regenerative and Precision Medicine, University College London, London WC1E 6BT, United Kingdom
| | - Song-Yi Baek
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, University College London, 256 Gray’s Inn Road, London WC1X 8LD, United Kingdom
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Gervais C, Jones C, Bonhomme C, Laurencin D. Insight into the local environment of magnesium and calcium in low-coordination-number organo-complexes using 25Mg and 43Ca solid-state NMR: a DFT study. Acta Crystallogr C 2017; 73:208-218. [PMID: 28257015 DOI: 10.1107/s205322961601929x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 12/02/2016] [Indexed: 12/13/2022] Open
Abstract
With the increasing number of organocalcium and organomagnesium complexes under development, there is a real need to be able to characterize in detail their local environment in order to fully rationalize their reactivity. For crystalline structures, in cases when diffraction techniques are insufficient, additional local spectroscopies like 25Mg and 43Ca solid-state NMR may provide valuable information to help fully establish the local environment of the metal ions. In this current work, a prospective DFT investigation on crystalline magnesium and calcium complexes involving low-coordination numbers and N-bearing organic ligands was carried out, in which the 25Mg and 43Ca NMR parameters [isotropic chemical shift, chemical shift anisotropy (CSA) and quadrupolar parameters] were calculated for each structure. The analysis of the calculated parameters in relation to the local environment of the metal ions revealed that they are highly sensitive to very small changes in geometry/distances, and hence that they could be used to assist in the refinement of crystal structures. Moreover, such calculations provide a guideline as to how the NMR measurements will need to be performed, revealing that these will be very challenging.
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Affiliation(s)
- Christel Gervais
- Sorbonne Universités, UPMC - Paris 06, Collège de France, UMR CNRS 7574, Laboratoire de Chimie de la Matière Condensée de Paris, 4 place Jussieu, 75252 Paris Cedex 05, France
| | - Cameron Jones
- School of Chemistry, Monash University, PO Box 23, Victoria 3800, Australia
| | - Christian Bonhomme
- Sorbonne Universités, UPMC - Paris 06, Collège de France, UMR CNRS 7574, Laboratoire de Chimie de la Matière Condensée de Paris, 4 place Jussieu, 75252 Paris Cedex 05, France
| | - Danielle Laurencin
- Institut Charles Gerhardt de Montpellier, UMR5253, CNRS UM ENSCM, CC1701, Pl. E. Bataillon, 34095 Montpellier Cedex 05, France
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