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Li R, Yang R, Zhang Y, Yao S, Xu Y, Yu P, Zhuang Y, Cui W, Wang L. Graded Modulation of Inflammation by Metal Ion-Coordinated Peptide-Based Hydrogel Chemical Regulators Promotes Tendon-Bone Junction Regeneration. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39180482 DOI: 10.1021/acsami.4c10572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/26/2024]
Abstract
After rotator cuff injuries, uncontrolled inflammation hinders tendon-bone junction regeneration and induces scar formation in situ. Therefore, precisely controlling inflammation could be a solution to accelerate tendon-bone junction regeneration. In this study, we synthesized a peptide-metal ion complex hydrogel with thermosensitive capability that can be used as a hydrogel chemical regulator. By the coordination complex between Mg2+ and BMP-12, the free and coordinated Mg2+ can be programmability released from the hydrogel. The fast release of free Mg2+ can prevent inflammation at the early stage of injuries, according to the results of RT-qPCR and immunofluorescence staining. Then, the coordinated Mg2+ was slowly released from the hydrogel and provided an anti-inflammatory environment for tendon-bone junction regeneration in the long term. Finally, the hydrogel demonstrated enhanced therapeutic effects in a rat rotator cuff tear model. Overall, the Mg2+/BMP-12 peptide-metal ion complex-based hydrogel effectively addresses the regenerative requirements of the tendon-bone junction across various stages by graded modulating inflammation.
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Affiliation(s)
- Renxuan Li
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Department of Orthropedics, Sports Medicine Center, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
| | - Renhao Yang
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Department of Orthropedics, Sports Medicine Center, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
| | - Yin Zhang
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Department of Orthropedics, Sports Medicine Center, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
| | - Shiyi Yao
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Department of Orthropedics, Sports Medicine Center, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
| | - Yidong Xu
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Department of Orthropedics, Sports Medicine Center, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
| | - Pei Yu
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Department of Orthropedics, Sports Medicine Center, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
| | - Yaping Zhuang
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Department of Orthropedics, Sports Medicine Center, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
| | - Wenguo Cui
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Department of Orthropedics, Sports Medicine Center, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
| | - Lei Wang
- Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Department of Orthropedics, Sports Medicine Center, Shanghai Institute of Traumatology and Orthopaedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China
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Oliveira RN, Meleiro LADC, Quilty B, McGuinness GB. Release of natural extracts from PVA and PVA-CMC hydrogel wound dressings: a power law swelling/delivery. Front Bioeng Biotechnol 2024; 12:1406336. [PMID: 39165402 PMCID: PMC11333833 DOI: 10.3389/fbioe.2024.1406336] [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: 03/24/2024] [Accepted: 07/05/2024] [Indexed: 08/22/2024] Open
Abstract
Introduction PVA hydrogels present many characteristics of the ideal dressing, although without antimicrobial properties. The present work aims to study the physical, mechanical and release characteristics of hydrogel wound dressings loaded with either of two natural herbal products, sage extract and dragon's blood. Methods Fourier Transform Infrared Spectroscopy (FTIR), Differential Scanning Calorimetry (DSC) and tensile mechanical testing were used to investigate the structure and properties of the gels. Swelling and degradation tests were conducted according to ISO 10993-9. Release characteristics were studied using UV Spectrophotometry. Results PVA matrices incorporating sage extract or dragon's blood (DB) present hydrogen bonding between these components. PVA-CMC hydrogels containing sage present similar spectra to PVA-CMC alone, probably indicating low miscibility or interaction between the matrix and sage. The opposite is found for DB, which exhibits more pronounced interference with crystallinity than sage. DB and NaCMC negatively affect Young's modulus and failure strength. All samples appear to reach equilibrium swelling degree (ESD) in 24 h. The addition of DB and sage to PVA increases the gels' swelling capacity, indicating that the substances likely separate PVA chains. The inclusion of CMC contributes to high media uptake. The kinetics profile of media uptake for 4 days is described by a power-law model, which is correlated to the drug delivery mechanism. Discussion A PVA-CMC gel incorporating 15% DB, the highest amount tested, shows the most favorable characteristics for flavonoid delivery, as well as flexibility and swelling capacity.
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Affiliation(s)
- Renata Nunes Oliveira
- Chemical Engineering Department, Institute of Technology, Federal Rural University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luiz Augusto da Cruz Meleiro
- Chemical Engineering Department, Institute of Technology, Federal Rural University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Brid Quilty
- School of Biotechnology, Dublin City University, Dublin, Ireland
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Lin J, Jia S, Cao F, Huang J, Chen J, Wang J, Liu P, Zeng H, Zhang X, Cui W. Research Progress on Injectable Microspheres as New Strategies for the Treatment of Osteoarthritis Through Promotion of Cartilage Repair. ADVANCED FUNCTIONAL MATERIALS 2024. [DOI: 10.1002/adfm.202400585] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Indexed: 07/07/2024]
Abstract
AbstractOsteoarthritis (OA) is a degenerative disease caused by a variety of factors with joint pain as the main symptom, including fibrosis, chapping, ulcers, and loss of cartilage. Traditional treatment can only delay the progression of OA, and classical delivery system have many side effects. In recent years, microspheres have shown great application prospects in the field of OA treatment. Microspheres can support cells, reproduce the natural tissue microenvironment in vitro and in vivo, and are an efficient delivery system for the release of drugs or biological agents, which can promote cell proliferation, migration, and differentiation. Thus, they have been widely used in cartilage repair and regeneration. In this review, preparation processes, basic materials, and functional characteristics of various microspheres commonly used in OA treatment are systematically reviewed. Then it is introduced surface modification strategies that can improve the biological properties of microspheres and discussed a series of applications of microsphere functionalized scaffolds in OA treatment. Finally, based on bibliometrics research, the research development, future potential, and possible research hotspots of microspheres in the field of OA therapy is systematically and dynamically evaluated. The comprehensive and systematic review will bring new understanding to the field of microsphere treatment of OA.
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Affiliation(s)
- Jianjing Lin
- Department of Sports Medicine and Rehabilitation Peking University Shenzhen Hospital Shenzhen Guangdong 518036 P. R. China
| | - Shicheng Jia
- Department of Sports Medicine and Rehabilitation Peking University Shenzhen Hospital Shenzhen Guangdong 518036 P. R. China
- Shantou University Medical College Shantou Guangdong 515041 P. R. China
| | - Fuyang Cao
- Department of Orthopedics Second Hospital of Shanxi Medical University Taiyuan Shanxi 030001 P. R. China
| | - Jingtao Huang
- Shantou University Medical College Shantou Guangdong 515041 P. R. China
| | - Jiayou Chen
- Department of Sports Medicine and Rehabilitation Peking University Shenzhen Hospital Shenzhen Guangdong 518036 P. R. China
- Shantou University Medical College Shantou Guangdong 515041 P. R. China
| | - Juan Wang
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics Ruijin Hospital Shanghai Jiao Tong University School of Medicine Shanghai 200025 P. R. China
| | - Peng Liu
- National & Local Joint Engineering Research Center of Orthopaedic Biomaterials Peking University Shenzhen Hospital Shenzhen Guangdong 518036 P. R. China
| | - Hui Zeng
- Shenzhen Second People's Hospital (First Affiliated Hospital of Shenzhen University) Shenzhen Guangdong 518035 China
| | - Xintao Zhang
- Department of Sports Medicine and Rehabilitation Peking University Shenzhen Hospital Shenzhen Guangdong 518036 P. R. China
| | - Wenguo Cui
- Department of Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases, Shanghai Institute of Traumatology and Orthopaedics Ruijin Hospital Shanghai Jiao Tong University School of Medicine Shanghai 200025 P. R. China
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