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Yu C, Feng S, Li Y, Chen J. Application of Nondegradable Synthetic Materials for Tendon and Ligament Injury. Macromol Biosci 2023; 23:e2300259. [PMID: 37440424 DOI: 10.1002/mabi.202300259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 07/15/2023]
Abstract
Tendon and ligament injuries, prevalent requiring surgical intervention, significantly impact joint stability and function. Owing to excellent mechanical properties and biochemical stability, Nondegradable synthetic materials, including polyethylene terephthalate (PET) and polytetrafluoroethylene (PTFE), have demonstrated significant potential in the treatment of tendon and ligament injuries. These above materials offer substantial mechanical support, joint mobility, and tissue healing promotion of the shoulder, knee, and ankle joint. This review conclude the latest development and application of nondegradable materials such as artificial patches and ligaments in tendon and ligament injuries including rotator cuff tears (RCTs), anterior cruciate ligament (ACL) injuries, and Achilles tendon ruptures.
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Affiliation(s)
- Chengxuan Yu
- Department of Sports Medicine, Huashan Hospital, Fudan University; Sports Medicine Institute of Fudan University, Shanghai, 200040, China
| | - Sijia Feng
- Department of Sports Medicine, Huashan Hospital, Fudan University; Sports Medicine Institute of Fudan University, Shanghai, 200040, China
| | - Yunxia Li
- Department of Sports Medicine, Huashan Hospital, Fudan University; Sports Medicine Institute of Fudan University, Shanghai, 200040, China
| | - Jun Chen
- Department of Sports Medicine, Huashan Hospital, Fudan University; Sports Medicine Institute of Fudan University, Shanghai, 200040, China
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Kang Z, Li D, Shu C, Du J, Yu B, Qian Z, Zhong Z, Zhang X, Yu B, Huang Q, Huang J, Zhu Y, Yi C, Ding H. Polydopamine Coating-Mediated Immobilization of BMP-2 on Polyethylene Terephthalate-Based Artificial Ligaments for Enhanced Bioactivity. Front Bioeng Biotechnol 2021; 9:749221. [PMID: 34869260 PMCID: PMC8636993 DOI: 10.3389/fbioe.2021.749221] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 10/04/2021] [Indexed: 11/13/2022] Open
Abstract
Background/objectives: Polyethylene terephthalate (PET)-based artificial ligaments are one of the most commonly used grafts in anterior cruciate ligament (ACL) reconstruction surgery. However, the lack of favorable hydrophilicity and cell attachment for PET highly impeded its widespread application in clinical practice. Studies found that surface modification on PET materials could enhance the biocompatibility and bioactivity of PET ligaments. In this study, we immobilized bone morphogenetic protein-2 (BMP-2) on the surface of PET ligaments mediated by polydopamine (PDA) coating and investigated the bioactivation and graft-to-bone healing effect of the modified grafts in vivo and in vitro. Methods: In this study, we prepared the PDA coating and subsequent BMP-2-immobilized PET artificial ligaments. Scanning electron microscopy (SEM) was used to analyze the morphological changes of the modified grafts. In addition, the surface wettability properties of the modified ligaments, amount of immobilized BMP 2, and the release of BMP-2 during a dynamic period up to 28 days were tested. Then, the attachment and proliferation of rat bone mesenchymal stem cells (rBMSCs) on grafts were examined by SEM and Cell Counting Kit-8 (CCK-8) assay, respectively. Alkaline phosphatase (ALP) assay, RT-PCR, and Alizarin Red S staining were performed to test the osteoinduction property. For in vivo experiments, an extra-articular graft-to-bone healing model in rabbits was established. At 8 weeks after surgery, biomechanical tests, micro-CT, and histological staining were performed on harvested samples. Results: A surface morphological analysis verified the success of the PDA coating. The wettability of the PET artificial ligaments was improved, and more than 80% of BMP-2 stably remained on the graft surface for 28 days. The modified grafts could significantly enhance the proliferation, attachment, as well as expression of ALP and osteogenic-related genes, which demonstrated the favorable bioactivity of the grafts immobilized with BMP-2 in vitro. Moreover, the grafts immobilized with BMP-2 at a concentration of 138.4 ± 10.6 ng/cm2 could highly improve the biomechanical properties, bone regeneration, and healing between grafts and host bone after the implantation into the rabbits compared with the PDA-PET group or the PET group. Conclusion: The immobilization of BMP-2 mediated by polydopamine coating on PET artificial ligament surface could enhance the compatibility and bioactivity of the scaffolds and the graft-to-bone healing in vivo.
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Affiliation(s)
- Zhanrong Kang
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Dejian Li
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Chaoqin Shu
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China.,School of Materials Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Jianhang Du
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Bin Yu
- Department of Pain and Rehabilitation, Shanghai Public Health Clinical Center, Shanghai Medical School, Fudan University, Shanghai, China
| | - Zhi Qian
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Zeyuan Zhong
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Xu Zhang
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Baoqing Yu
- Shanghai Pudong New Area People's Hospital, Shanghai, China
| | - Qikai Huang
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Jianming Huang
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Yufang Zhu
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China
| | - Chengqing Yi
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China
| | - Huifeng Ding
- Department of Orthopaedics, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China.,Department of Pain and Rehabilitation, Shanghai Public Health Clinical Center, Shanghai Medical School, Fudan University, Shanghai, China
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Hexter AT, Thangarajah T, Blunn G, Haddad FS. Biological augmentation of graft healing in anterior cruciate ligament reconstruction: a systematic review. Bone Joint J 2018; 100-B:271-284. [PMID: 29589505 DOI: 10.1302/0301-620x.100b3.bjj-2017-0733.r2] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Aims The success of anterior cruciate ligament reconstruction (ACLR) depends on osseointegration at the graft-tunnel interface and intra-articular ligamentization. Our aim was to conduct a systematic review of clinical and preclinical studies that evaluated biological augmentation of graft healing in ACLR. Materials and Methods In all, 1879 studies were identified across three databases. Following assessment against strict criteria, 112 studies were included (20 clinical studies; 92 animal studies). Results Seven categories of biological interventions were identified: growth factors, biomaterials, stem cells, gene therapy, autologous tissue, biophysical/environmental, and pharmaceuticals. The methodological quality of animal studies was moderate in 97%, but only 10% used clinically relevant outcome measures. The most interventions in clinical trials target the graft-tunnel interface and are applied intraoperatively. Platelet-rich plasma is the most studied intervention, but the clinical outcomes are mixed, and the methodological quality of studies was suboptimal. Other biological therapies investigated in clinical trials include: remnant-augmented ACLR; bone substitutes; calcium phosphate-hybridized grafts; extracorporeal shockwave therapy; and adult autologus non-cultivated stem cells. Conclusion There is extensive preclinical research supporting the use of biological therapies to augment ACLR. Further clinical studies that meet the minimum standards of reporting are required to determine whether emerging biological strategies will provide tangible benefits in patients undergoing ACLR. Cite this article: Bone Joint J 2018;100-B:271-84.
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Affiliation(s)
- A T Hexter
- Institute of Orthopaedics and Musculoskeletal Science, Division of Surgery and Interventional Science, University College London, and Royal National Orthopaedic Hospital Brockley Hill, Stanmore, Middlesex HA7 4LP, UK
| | - T Thangarajah
- Institute of Orthopaedics and Musculoskeletal Science, Division of Surgery and Interventional Science, University College London, and Royal National Orthopaedic Hospital Brockley Hill, Stanmore, Middlesex HA7 4LP, UK
| | - G Blunn
- Institute of Orthopaedics and Musculoskeletal Science, Division of Surgery and Interventional Science, University College London, and Royal National Orthopaedic Hospital Brockley Hill, Stanmore, Middlesex HA7 4LP, UK
| | - F S Haddad
- University College London Hospitals, 235 Euston Road, London, NW1 2BU, UK and NIHR University College London Hospitals Biomedical Research Centre, UK
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