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Zhang J, Liu Z, Li Y, You Q, Yang J, Jin Y, Zou G, Tang J, Ge Z, Liu Y. FGF2: a key regulator augmenting tendon-to-bone healing and cartilage repair. Regen Med 2020; 15:2129-2142. [PMID: 33201773 DOI: 10.2217/rme-2019-0080] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Ligament/tendon and cartilage injuries are clinically common diseases that perplex most clinicians. Because of the lack of blood vessels and nerves, their self-repairing abilities are rather poor. Therefore, surgeries are necessary and also widely used to treat ligament/tendon or cartilage injuries. However, after surgery, there are still many problems that affect healing. In recent years, it has been found that exogenous FGF2 plays an important role in the repair of ligament/tendon and cartilage injuries and exerts a synergistic effect with endogenous FGF2. Therefore, FGF2 can be used as a new type of biomolecule to accelerate tendon-to-bone healing and cartilage repair after injury.
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Affiliation(s)
- Jun Zhang
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Guizhou 563000, China
| | - Ziming Liu
- Peking University Institute of Sports Medicine, Beijing 100083, China
| | - Yuwan Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China
| | - Qi You
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Guizhou 563000, China
| | - Jibin Yang
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Guizhou 563000, China
| | - Ying Jin
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Guizhou 563000, China
| | - Gang Zou
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Guizhou 563000, China
| | - Jingfeng Tang
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Guizhou 563000, China
| | - Zhen Ge
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Guizhou 563000, China
| | - Yi Liu
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Guizhou 563000, China
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Zhao T, Qi Y, Xiao S, Ran J, Wang J, Ghamor-Amegavi EP, Zhou X, Li H, He T, Gou Z, Chen Q, Xu K. Integration of mesenchymal stem cell sheet and bFGF-loaded fibrin gel in knitted PLGA scaffolds favorable for tendon repair. J Mater Chem B 2019; 7:2201-2211. [PMID: 32073579 DOI: 10.1039/c8tb02759e] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Tendon injuries are common and require a long time to heal, and are particularly associated with some adverse problems such as adhesion and rupture. Herein, we aim to develop new bioactive scaffolds endowed with stem cell sheets and growth factors to enable cell migration and proliferation favorable for tendon regeneration in situ. An exogenous basic fibroblast growth factor (bFGF)-loaded fibrin gel was firstly incorporated into the porous network of knitted poly(lactide-co-glycolide) (PLGA) scaffolds and then sheets of mesenchymal stem cells (MSCs) were also integrated into the scaffolds. It was shown that the pores in the knitted PLGA scaffold were readily filled with a complex network of fibrin fiber gel and the fibrin fibers were beneficial for the controlled release of bFGF over a long time period. After transplantation in a critical-size Achilles tendon defect model (7 mm) in the rat right hindlimb, gross observation revealed no immunologic incompatibility or rejection derived from the scaffold systems. It was observed that the MSC sheets contributed directly to tendon regeneration, and exerted an environment-modifying effect on the injuries in situ, consistent with the beneficial effect of bFGF. It was interesting that the knitted PLGA-fibrin gel scaffolds loaded with MSC sheets and bFGF showed the highest expression of tendon-related gene markers and outstanding repair efficacy, including appreciable biomechanical strength and native-like histological microstructures. Therefore, the integration of MSC sheets and bFGF into PLGA/bFGF-fibrin gel scaffolds may stimulate the proliferation and tenogenic differentiation of MSCs in situ and synergistically enhance the injured tendon reconstruction.
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Affiliation(s)
- Tengfei Zhao
- Department of Orthopedic Surgery, the Second Affiliated Hospital, Zhejiang University, School of Medicine, Hangzhou, 310009, China.
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Yun YR, Won JE, Jeon E, Lee S, Kang W, Jo H, Jang JH, Shin US, Kim HW. Fibroblast growth factors: biology, function, and application for tissue regeneration. J Tissue Eng 2010; 2010:218142. [PMID: 21350642 PMCID: PMC3042641 DOI: 10.4061/2010/218142] [Citation(s) in RCA: 381] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2010] [Accepted: 10/06/2010] [Indexed: 12/12/2022] Open
Abstract
Fibroblast growth factors (FGFs) that signal through FGF receptors (FGFRs) regulate a broad spectrum of biological functions, including cellular proliferation, survival, migration, and differentiation. The FGF signal pathways are the RAS/MAP kinase pathway, PI3 kinase/AKT pathway, and PLCγ pathway, among which the RAS/MAP kinase pathway is known to be predominant. Several studies have recently implicated the in vitro biological functions of FGFs for tissue regeneration. However, to obtain optimal outcomes in vivo, it is important to enhance the half-life of FGFs and their biological stability. Future applications of FGFs are expected when the biological functions of FGFs are potentiated through the appropriate use of delivery systems and scaffolds. This review will introduce the biology and cellular functions of FGFs and deal with the biomaterials based delivery systems and their current applications for the regeneration of tissues, including skin, blood vessel, muscle, adipose, tendon/ligament, cartilage, bone, tooth, and nerve tissues.
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Affiliation(s)
- Ye-Rang Yun
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, Republic of Korea
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Bioactive nanofibers for fibroblastic differentiation of mesenchymal precursor cells for ligament/tendon tissue engineering applications. Differentiation 2010; 79:102-10. [DOI: 10.1016/j.diff.2009.11.001] [Citation(s) in RCA: 96] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2009] [Revised: 10/24/2009] [Accepted: 11/11/2009] [Indexed: 11/20/2022]
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Sahoo S, Toh SL, Goh JCH. A bFGF-releasing silk/PLGA-based biohybrid scaffold for ligament/tendon tissue engineering using mesenchymal progenitor cells. Biomaterials 2010; 31:2990-8. [PMID: 20089300 DOI: 10.1016/j.biomaterials.2010.01.004] [Citation(s) in RCA: 208] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2009] [Accepted: 01/03/2010] [Indexed: 11/15/2022]
Abstract
An ideal scaffold that provides a combination of suitable mechanical properties along with biological signals is required for successful ligament/tendon regeneration in mesenchymal stem cell-based tissue engineering strategies. Among the various fibre-based scaffolds that have been used, hybrid fibrous scaffolds comprising both microfibres and nanofibres have been recently shown to be particularly promising. This study developed a biohybrid fibrous scaffold system by coating bioactive bFGF-releasing ultrafine PLGA fibres over mechanically robust slowly-degrading degummed knitted microfibrous silk scaffolds. On the ECM-like biomimetic architecture of ultrafine fibres, sustained release of bFGF mimicked the ECM in function, initially stimulating mesenchymal progenitor cell (MPC) proliferation, and subsequently, their tenogeneic differentiation. The biohybrid scaffold system not only facilitated MPC attachment and promoted cell proliferation, with cells growing both on ultrafine PLGA fibres and silk microfibres, but also stimulated tenogeneic differentiation of seeded MPCs. Upregulated gene expression of ligament/tendon-specific ECM proteins and increased collagen production likely contributed to enhancing mechanical properties of the constructs, generating a ligament/tendon analogue that has the potential to be used to repair injured ligaments/tendons.
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Affiliation(s)
- Sambit Sahoo
- Department of Orthopaedic Surgery, National University of Singapore, Singapore
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Dombrowski C, Song SJ, Chuan P, Lim X, Susanto E, Sawyer AA, Woodruff MA, Hutmacher DW, Nurcombe V, Cool SM. Heparan Sulfate Mediates the Proliferation and Differentiation of Rat Mesenchymal Stem Cells. Stem Cells Dev 2009; 18:661-70. [DOI: 10.1089/scd.2008.0157] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Affiliation(s)
- Christian Dombrowski
- Stem Cells and Tissue Repair Group, Institute of Medical Biology, A*STAR, Singapore
| | - Shu Jun Song
- Stem Cells and Tissue Repair Group, Institute of Medical Biology, A*STAR, Singapore
| | - Peiying Chuan
- Stem Cells and Tissue Repair Group, Institute of Medical Biology, A*STAR, Singapore
| | - Xinhong Lim
- Stem Cells and Tissue Repair Group, Institute of Medical Biology, A*STAR, Singapore
| | - Evelyn Susanto
- Division of Bioengineering, Faculty of Engineering, Yong Loo Lin School of Medicine, National University of Singapore
| | - Amber A. Sawyer
- Stem Cells and Tissue Repair Group, Institute of Medical Biology, A*STAR, Singapore
| | - Maria A. Woodruff
- Division of Bioengineering, Faculty of Engineering, Yong Loo Lin School of Medicine, National University of Singapore
| | - Dietmar W. Hutmacher
- Department of Orthopaedic Surgery, Faculty of Engineering, Yong Loo Lin School of Medicine, National University of Singapore
- Division of Bioengineering, Faculty of Engineering, Yong Loo Lin School of Medicine, National University of Singapore
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia
| | - Victor Nurcombe
- Stem Cells and Tissue Repair Group, Institute of Medical Biology, A*STAR, Singapore
- Department of Orthopaedic Surgery, Faculty of Engineering, Yong Loo Lin School of Medicine, National University of Singapore
| | - Simon M. Cool
- Stem Cells and Tissue Repair Group, Institute of Medical Biology, A*STAR, Singapore
- Department of Orthopaedic Surgery, Faculty of Engineering, Yong Loo Lin School of Medicine, National University of Singapore
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Jurjus A, Atiyeh BS, Abdallah IM, Jurjus RA, Hayek SN, Jaoude MA, Gerges A, Tohme RA. Pharmacological modulation of wound healing in experimental burns. Burns 2007; 33:892-907. [PMID: 17521821 DOI: 10.1016/j.burns.2006.10.406] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2006] [Accepted: 10/27/2006] [Indexed: 12/28/2022]
Abstract
Factors involved in wound healing and their interdependence are not yet fully understood; nevertheless, new prospects for therapy to favor speedy and optimal healing are emerging. Reports about wound healing modulation by local application of simple and natural agents abound even in the recent literature, however, most are anecdotal and lack solid scientific evidence. We describe the effect of silver sulfadiazine and moist exposed burn ointment (MEBO), a recently described burn ointment of herbal origin, on mast cells and several wound healing cytokines (bFGF, IL-1, TGF-beta, and NGF) in the rabbit experimental burn model. The results demonstrate that various inflammatory cells, growth factors and cytokines present in the wound bed may be modulated by application of local agents with drastic effects on their expression dynamics with characteristic temporal and spatial regulation and changes in the expression pattern. Such data are likely to be important for the development of novel strategies for wound healing since they shed some light on the potential formulations of temporally and combinatory optimized therapeutic regimens.
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Affiliation(s)
- Abdo Jurjus
- Human Morphology, Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
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Summary and Future Directions. Sports Med Arthrosc Rev 2005. [DOI: 10.1097/01.jsa.0000174215.26619.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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