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Yang Y, Sun M, Jia W, Jiao K, Wang S, Liu Y, Liu L, Dai Z, Jiang X, Yang T, Luo Y, Cheng Z, Wang H, Liu G. An osteoporosis bone defect regeneration strategy via three-dimension short fibers loaded with alendronate modified hydroxyapatite. Colloids Surf B Biointerfaces 2024; 233:113659. [PMID: 38029468 DOI: 10.1016/j.colsurfb.2023.113659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 11/16/2023] [Accepted: 11/18/2023] [Indexed: 12/01/2023]
Abstract
Osteoporotic bone defect has become clinic challenge due to its morbid bone microenvironment. Overactive bone resorption and limited bone formation lead to unstable combination between bone tissue and scaffolds. Electrospinning has been widely used in guide tissue membrane, but its barrier property results in limited application. In order to optimize the structure and add anti-bone resorption function of electrospinning fibers, we exploited the application of short fibers generated by homogenization at osteoporotic tibial bone defect. The modified nano-hydroxyapatite (m-HA) was loaded with alendronate. It overcame the problem that hydrophilic drugs were difficult to distribute uniformly in hydrophobic fibers. We confirmed that m-HA was loaded into polycaprolactone (PCL) short fibers. PCL short fibers with m-HA (PCL/m-HA) continuously released ALN, provided stable structure and showed good cytocompatibility. In vitro, PCL/m-HA increased the activity of alkaline phosphatase (ALP), promoted extracellular matrix mineralization and upregulated the expression of osteogenesis-related genes, Col 1, Alp, osteopontin (Opn) and runt-related transcription factor 2 (Runx2). In vivo, PCL/m-HA short fibers accelerated the new bone formation, inhibited the bone resorption and rebalanced the bone microenvironment through regulating osteoprotegerin (OPG) /receptor activator of NF-kB (RANKL) ratio. The above results confirmed that the PCL/m-HA short fibers achieved the application of three-dimension osteoporotic bone defect and had potential prospects in bone tissue scaffolds.
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Affiliation(s)
- Yuheng Yang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, China; Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China
| | - Maolei Sun
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China; Department of Stomatology, The Second Hospital of Jilin University, Changchun 130041, China
| | - Wenyuan Jia
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, China; Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China
| | - Kun Jiao
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China; Hospital of Stomatology, Jilin University, Changchun 130041, China
| | - Shaoru Wang
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China; Hospital of Stomatology, Jilin University, Changchun 130041, China
| | - Yun Liu
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China; Hospital of Stomatology, Jilin University, Changchun 130041, China
| | - Liping Liu
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China; Hospital of Stomatology, Jilin University, Changchun 130041, China
| | - Zhihui Dai
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China; Hospital of Stomatology, Jilin University, Changchun 130041, China
| | - Xuanzuo Jiang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, China; Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China
| | - Tao Yang
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China; Hospital of Stomatology, Jilin University, Changchun 130041, China
| | - Yungang Luo
- Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China; Department of Stomatology, The First Hospital of Jilin University, Changchun 130021, China
| | - Zhiqiang Cheng
- Department of Stomatology, The First Hospital of Jilin University, Changchun 130021, China; College of Resources and Environment, Jilin Agriculture University, Changchun 130118, China
| | - Hailiang Wang
- Department of Neurosurgery, The Second Hospital of Jilin University, Changchun 130033, China
| | - Guomin Liu
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, China; Scientific and Technological Innovation Center of Health Products and Medical Materials with Characteristic Resources of Jilin Province, China.
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Li J, Wu J, Liu F, Li X, Yu P, Pan H, Yeung KWK, Wong TM. Magnesium-Organic Framework-Loaded Bisphosphonate-Functionalized Gel Scaffolds for Enhanced Bone Regeneration. ACS Biomater Sci Eng 2023; 9:6849-6859. [PMID: 37942941 DOI: 10.1021/acsbiomaterials.3c01080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
The development of magnesium-derived biomaterials is one of the most promising research in bone tissue engineering, and related strategies have been extensively used for tendon, skull, cartilage, and bone regeneration. Also, alendronate, a well-recognized drug for osteoporosis treatment, has recently attracted a great deal of attention for bone repair. However, rapid corrosion in vivo of Mg2+ and low systemic bioavailability of alendronate are the main limitations hampering their full exploitation. In this work, by means of physical and chemical cross-linking conjugating magnesium-metal-organic frameworks (Mg-MOFs) and bone-targeting alendronate to biocompatible gelatin scaffolds, a facile method is developed for the preparation of organic/inorganic nanocomposite gel scaffolds. The results affirmed that the nanocomposite gel scaffolds possessed excellent biocompatibility, continuous slow release of Mg2+ and alendronate, strong bone affinity, and bone regeneration. It is noteworthy that the continuous slow release of Mg2+ and alendronate could induce the macrophage switch to the M2 phenotype and promote osteogenic differentiation in the early stage, resulting in improved bone regeneration during implanting the scaffolds into the distal femoral. In summary, Mg-MOFs-loaded alendronate-modified gelatin gel scaffolds have been developed, exhibiting great potential for bone regenerative.
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Affiliation(s)
- Jia Li
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong Shenzhen Hospital, Shenzhen 518053, China
- Research Center for Human Tissue and Organs Degeneration, Institute Biomedical and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Jun Wu
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong Shenzhen Hospital, Shenzhen 518053, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Feihong Liu
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong Shenzhen Hospital, Shenzhen 518053, China
| | - Xiang Li
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong Shenzhen Hospital, Shenzhen 518053, China
| | - Peng Yu
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China
| | - Haobo Pan
- Research Center for Human Tissue and Organs Degeneration, Institute Biomedical and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Shenzhen Healthemes Biotechnology Co. Ltd., Shenzhen518102, China
| | - Kelvin W K Yeung
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong Shenzhen Hospital, Shenzhen 518053, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Tak Man Wong
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong Shenzhen Hospital, Shenzhen 518053, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong, China
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Importance of crosslinking strategies in designing smart biomaterials for bone tissue engineering: A systematic review. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 96:941-954. [PMID: 30606606 DOI: 10.1016/j.msec.2018.11.081] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 10/29/2018] [Accepted: 11/29/2018] [Indexed: 12/14/2022]
Abstract
Biomaterials are of significant importance in biomedical applications as these biological macromolecules have moderately replaced classical tissue grafting techniques owing to its beneficial properties. Despite of its favourable advantages, poor mechanical and degradative properties of biomaterials are of great concern. To this regard, crosslinkers have emerged as a smart and promising tool to augment the biological functionality of biopolymers. Different crosslinkers have been extensively used in past decades to develop bone substitutes, but the implications of toxic response and adverse reactions are truly precarious after implantation. Traditional crosslinker like glutaraldehyde has been widely used in numerous bio-implants but the potential toxicity is largely being debated with many disproving views. As alternative, green chemicals, enzymatic and non-enzymatic chemicals, bi-functional epoxies, zero-length crosslinkers and physical crosslinkers have been introduced to achieve the desired properties of a bone substitute. In this review, systematic literature search was performed on PubMed database to identify the most commonly used crosslinkers for developing promising bone like materials. The relevant articles were identified, analysed and reviewed in this paper giving due importance to different crosslinking methodologies and comparing their effectiveness and efficacy in regard to material composition, scaffold production, crosslinker dosage, toxicity and immunogenicity. This review summarizes the recent developments in crosslinking mechanism with an emphasis placed on their ability to link proteins through bonding reactions. Finally, this study also covers the convergent and divergent methodologies of crosslinking strategies also giving special importance in retrieving the current limitations and future opportunities of crosslinking modalities in bone tissue engineering.
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Panzavolta S, Torricelli P, Casolari S, Parrilli A, Fini M, Bigi A. Strontium-Substituted Hydroxyapatite-Gelatin Biomimetic Scaffolds Modulate Bone Cell Response. Macromol Biosci 2018; 18:e1800096. [PMID: 29877029 DOI: 10.1002/mabi.201800096] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 05/07/2018] [Indexed: 11/10/2022]
Abstract
Strontium has a beneficial role on bone remodeling and is proposed for the treatment of pathologies associated to excessive bone resorption, such as osteoporosis. Herein, the possibility to utilize a biomimetic scaffold as strontium delivery system is explored. Porous 3D gelatin scaffolds containing about 30% of strontium substituted hydroxyapatite (SrHA) or pure hydroxyapatite (HA) are prepared by freeze-drying. The scaffolds display a very high open porosity, with an interconnectivity of 100%. Reinforcement with further amount of gelatin provokes a modest decrease of the average pore size, without reducing interconnectivity. Moreover, reinforced scaffolds display reduced water uptake ability and increased values of mechanical parameters when compared to as-prepared scaffolds. Strontium displays a sustained release in phosphate buffered saline: the quantities released after 14 d from as-prepared and reinforced scaffolds are just 14 and 18% of the initial content, respectively. Coculture of osteoblasts and osteoclasts shows that SrHA-containing scaffolds promote osteoblast viability and activity when compared to HA-containing scaffolds. On the other hand, osteoclastogenesis and osteoclast differentiation are significantly inhibited on SrHA-containing scaffolds, suggesting that these systems could be usefully applied for local delivery of strontium in loci characterized by excessive bone resorption.
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Affiliation(s)
- Silvia Panzavolta
- Department of Chemistry "G. Ciamician", University of Bologna, via Selmi, 2, Bologna, 40126, Italy
| | - Paola Torricelli
- Laboratory of Preclinical and Surgical Studies, IRCCS Rizzoli Orthopaedic Institute, via di Barbiano 1/10, 40136, Bologna, Italy
| | - Sonia Casolari
- Department of Chemistry "G. Ciamician", University of Bologna, via Selmi, 2, Bologna, 40126, Italy
| | - Annapaola Parrilli
- Laboratory of Preclinical and Surgical Studies, IRCCS Rizzoli Orthopaedic Institute, via di Barbiano 1/10, 40136, Bologna, Italy
| | - Milena Fini
- Laboratory of Preclinical and Surgical Studies, IRCCS Rizzoli Orthopaedic Institute, via di Barbiano 1/10, 40136, Bologna, Italy
| | - Adriana Bigi
- Department of Chemistry "G. Ciamician", University of Bologna, via Selmi, 2, Bologna, 40126, Italy
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Frazier SD, Aday AN, Srubar WV. On-Demand Microwave-Assisted Fabrication of Gelatin Foams. Molecules 2018; 23:molecules23051121. [PMID: 29747398 PMCID: PMC6100080 DOI: 10.3390/molecules23051121] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 05/01/2018] [Accepted: 05/02/2018] [Indexed: 01/15/2023] Open
Abstract
Ultraporous gelatin foams (porosity >94%, ρ ≈ 0.039–0.056 g/cm3) have been fabricated via microwave radiation. The resulting foam structures are unique with regard to pore morphology (i.e., closed-cell) and exhibit 100% macroporosity (pore size 332 to 1700 μm), presence of an external skin, and densities similar to aerogels. Results indicate that the primary foaming mechanism is governed by the vaporization of water that is tightly bound in secondary structures (i.e., helices, β-turns, β-sheets) that are present in dehydrated gelatin films but not present in the foams after microwave radiation (700 Watts).
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Affiliation(s)
- Shane D Frazier
- Materials Science and Engineering Program, University of Colorado Boulder, Boulder, CO 80309, USA.
| | - Anastasia N Aday
- Materials Science and Engineering Program, University of Colorado Boulder, Boulder, CO 80309, USA.
| | - Wil V Srubar
- Materials Science and Engineering Program, University of Colorado Boulder, Boulder, CO 80309, USA.
- Department of Civil, Environmental, and Architectural Engineering, University of Colorado Boulder, Boulder, CO 80309, USA.
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Bigi A, Boanini E. Calcium Phosphates as Delivery Systems for Bisphosphonates. J Funct Biomater 2018; 9:E6. [PMID: 29342839 PMCID: PMC5872092 DOI: 10.3390/jfb9010006] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 01/08/2018] [Accepted: 01/11/2018] [Indexed: 12/16/2022] Open
Abstract
Bisphosphonates (BPs) are the most utilized drugs for the treatment of osteoporosis, and are usefully employed also for other pathologies characterized by abnormally high bone resorption, including bone metastases. Due to the great affinity of these drugs for calcium ions, calcium phosphates are ideal delivery systems for local administration of BPs to bone, which is aimed to avoid/limit the undesirable side effects of their prolonged systemic use. Direct synthesis in aqueous medium and chemisorptions from solution are the two main routes proposed to synthesize BP functionalized calcium phosphates. The present review overviews the information acquired through the studies on the interaction between bisphosphonate molecules and calcium phosphates. Moreover, particular attention is addressed to some important recent achievements on the applications of BP functionalized calcium phosphates as biomaterials for bone substitution/repair.
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Affiliation(s)
- Adriana Bigi
- Department of Chemistry "G. Ciamician", University of Bologna, 40126 Bologna, Italy.
| | - Elisa Boanini
- Department of Chemistry "G. Ciamician", University of Bologna, 40126 Bologna, Italy.
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Functionalized biomimetic calcium phosphates for bone tissue repair. J Appl Biomater Funct Mater 2017; 15:e313-e325. [PMID: 28574097 DOI: 10.5301/jabfm.5000367] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2017] [Indexed: 12/17/2022] Open
Abstract
The design and development of novel materials for biomineralized tissues is an extremely attractive field of research where calcium phosphates (CaPs)-based materials for biomedical applications play a leading role. The biological performance of these compounds can be enhanced through functionalization with biologically active ions and molecules. This review reports on some important recent achievements in creating functionalized biomimetic CaP materials for applications in the musculoskeletal field. Particular attention is focused on the modifications of these inorganic compounds with bioactive ions, growth factors and drugs, as well as on recent trends in some important CaP applications as biomaterials - namely, as bone cements, coatings of metallic implants and scaffolds for regenerative medicine.
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