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Gao Y, Wang X, Fan C. Advances in graphene-based 2D materials for tendon, nerve, bone/cartilage regeneration and biomedicine. iScience 2024; 27:110214. [PMID: 39040049 PMCID: PMC11261022 DOI: 10.1016/j.isci.2024.110214] [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] [Indexed: 07/24/2024] Open
Abstract
Two-dimensional (2D) materials, especially graphene-based materials, have important implications for tissue regeneration and biomedicine due to their large surface area, transport properties, ease of functionalization, biocompatibility, and adsorption capacity. Despite remarkable progress in the field of tissue regeneration and biomedicine, there are still problems such as unclear long-term stability, lack of in vivo experimental data, and detection accuracy. This paper reviews recent applications of graphene-based materials in tissue regeneration and biomedicine and discusses current issues and prospects for the development of graphene-based materials with respect to promoting the regeneration of tendons, neuronal cells, bone, chondrocytes, blood vessels, and skin, as well as applications in sensing, detection, anti-microbial activity, and targeted drug delivery.
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Affiliation(s)
- Yuxin Gao
- Department of Orthopedics, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Xu Wang
- Department of Orthopedics, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Orthopaedics, Shanghai, China
- Shanghai Engineering Research Center for Orthopaedic Material Innovation and Tissue Regeneration, Shanghai, China
| | - Cunyi Fan
- Department of Orthopedics, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Center for Orthopaedics, Shanghai, China
- Shanghai Engineering Research Center for Orthopaedic Material Innovation and Tissue Regeneration, Shanghai, China
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Zhang X, Li K, Wang C, Rao Y, Tuan RS, Wang DM, Ker DFE. Facile and rapid fabrication of a novel 3D-printable, visible light-crosslinkable and bioactive polythiourethane for large-to-massive rotator cuff tendon repair. Bioact Mater 2024; 37:439-458. [PMID: 38698918 PMCID: PMC11063952 DOI: 10.1016/j.bioactmat.2024.03.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 03/29/2024] [Accepted: 03/29/2024] [Indexed: 05/05/2024] Open
Abstract
Facile and rapid 3D fabrication of strong, bioactive materials can address challenges that impede repair of large-to-massive rotator cuff tears including personalized grafts, limited mechanical support, and inadequate tissue regeneration. Herein, we developed a facile and rapid methodology that generates visible light-crosslinkable polythiourethane (PHT) pre-polymer resin (∼30 min at room temperature), yielding 3D-printable scaffolds with tendon-like mechanical attributes capable of delivering tenogenic bioactive factors. Ex vivo characterization confirmed successful fabrication, robust human supraspinatus tendon (SST)-like tensile properties (strength: 23 MPa, modulus: 459 MPa, at least 10,000 physiological loading cycles without failure), excellent suture retention (8.62-fold lower than acellular dermal matrix (ADM)-based clinical graft), slow degradation, and controlled release of fibroblast growth factor-2 (FGF-2) and transforming growth factor-β3 (TGF-β3). In vitro studies showed cytocompatibility and growth factor-mediated tenogenic-like differentiation of mesenchymal stem cells. In vivo studies demonstrated biocompatibility (3-week mouse subcutaneous implantation) and ability of growth factor-containing scaffolds to notably regenerate at least 1-cm of tendon with native-like biomechanical attributes as uninjured shoulder (8-week, large-to-massive 1-cm gap rabbit rotator cuff injury). This study demonstrates use of a 3D-printable, strong, and bioactive material to provide mechanical support and pro-regenerative cues for challenging injuries such as large-to-massive rotator cuff tears.
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Affiliation(s)
- Xu Zhang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
| | - Ke Li
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
| | - Chenyang Wang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
| | - Ying Rao
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
| | - Rocky S. Tuan
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
| | - Dan Michelle Wang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
| | - Dai Fei Elmer Ker
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, Hong Kong
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, New Territories, Hong Kong SAR, Hong Kong
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Chapman JH, Ghosh D, Attari S, Ude CC, Laurencin CT. Animal Models of Osteoarthritis: Updated Models and Outcome Measures 2016-2023. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2024; 10:127-146. [PMID: 38983776 PMCID: PMC11233113 DOI: 10.1007/s40883-023-00309-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/19/2023] [Accepted: 06/06/2023] [Indexed: 07/11/2024]
Abstract
Purpose Osteoarthritis (OA) is a global musculoskeletal disorder that affects primarily the knee and hip joints without any FDA-approved disease-modifying therapies. Animal models are essential research tools in developing therapies for OA; many animal studies have provided data for the initiation of human clinical trials. Despite this, there is still a need for strategies to recapitulate the human experience using animal models to better develop treatments and understand pathogenesis. Since our last review on animal models of osteoarthritis in 2016, there have been exciting updates in OA research and models. The main purpose of this review is to update the latest animal models and key features of studies in OA research. Method We used our existing classification method and screened articles in PubMed and bibliographic search for animal OA models between 2016 and 2023. Relevant and high-cited articles were chosen for inclusion in this narrative review. Results Recent studies were analyzed and classified. We also identified ex vivo models as an area of ongoing research. Each animal model offers its own benefit in the study of OA and there are a full range of outcome measures that can be assessed. Despite the vast number of models, each has its drawbacks that have limited translating approved therapies for human use. Conclusion Depending on the outcome measures and objective of the study, researchers should pick the best model for their work. There have been several exciting studies since 2016 that have taken advantage of regenerative engineering techniques to develop therapies and better understand OA. Lay Summary Osteoarthritis (OA) is a chronic debilitating disease without any cure that affects mostly the knee and hip joints and often results in surgical joint replacement. Cartilage protects the joint from mechanical forces and degrades with age or in response to injury. The many contributing causes of OA are still being investigated, and animals are used for preclinical research and to test potential new treatments. A single consensus OA animal model for preclinical studies is non-existent. In this article, we review the many animal models for OA and provide a much-needed update on studies and model development since 2016.
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Affiliation(s)
- James H. Chapman
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
| | - Debolina Ghosh
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
| | - Seyyedmorteza Attari
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Chinedu C. Ude
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
| | - Cato T. Laurencin
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, 263 Farmington Avenue, Farmington, CT 06030-3711, USA
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, UConn Health, Farmington, CT 06030, USA
- Department of Orthopedic Surgery, UConn Health, Farmington, CT 06030, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA
- Department of Chemical and Bimolecular Engineering, University of Connecticut, Storrs, CT 06269, USA
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Norris AM, Fierman KE, Campbell J, Pitale R, Shahraj M, Kopinke D. Studying intramuscular fat deposition and muscle regeneration: insights from a comparative analysis of mouse strains, injury models, and sex differences. Skelet Muscle 2024; 14:12. [PMID: 38812056 PMCID: PMC11134715 DOI: 10.1186/s13395-024-00344-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 05/13/2024] [Indexed: 05/31/2024] Open
Abstract
Intramuscular fat (IMAT) infiltration, pathological adipose tissue that accumulates between muscle fibers, is a shared hallmark in a diverse set of diseases including muscular dystrophies and diabetes, spinal cord and rotator cuff injuries, as well as sarcopenia. While the mouse has been an invaluable preclinical model to study skeletal muscle diseases, they are also resistant to IMAT formation. To better understand this pathological feature, an adequate pre-clinical model that recapitulates human disease is necessary. To address this gap, we conducted a comprehensive in-depth comparison between three widely used mouse strains: C57BL/6J, 129S1/SvlmJ and CD1. We evaluated the impact of strain, sex and injury type on IMAT formation, myofiber regeneration and fibrosis. We confirm and extend previous findings that a Glycerol (GLY) injury causes significantly more IMAT and fibrosis compared to Cardiotoxin (CTX). Additionally, females form more IMAT than males after a GLY injury, independent of strain. Of all strains, C57BL/6J mice, both females and males, are the most resistant to IMAT formation. In regard to injury-induced fibrosis, we found that the 129S strain formed the least amount of scar tissue. Surprisingly, C57BL/6J of both sexes demonstrated complete myofiber regeneration, while both CD1 and 129S1/SvlmJ strains still displayed smaller myofibers 21 days post injury. In addition, our data indicate that myofiber regeneration is negatively correlated with IMAT and fibrosis. Combined, our results demonstrate that careful consideration and exploration are needed to determine which injury type, mouse model/strain and sex to utilize as preclinical model especially for modeling IMAT formation.
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Affiliation(s)
- Alessandra M Norris
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - Kiara E Fierman
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - Jillian Campbell
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - Rhea Pitale
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - Muhammad Shahraj
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA
| | - Daniel Kopinke
- Department of Pharmacology and Therapeutics, Myology Institute, University of Florida, Gainesville, FL, USA.
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Bokshan SL, Tabarestani TQ, Ruderman L, Rueckert H, Levin J, Leinroth AP, Ibarra J, Klifto C, Hilton MJ, Anakwenze O. Risk factors for intracellular fatty accumulation in rotator cuff muscle: a histologic analysis. J Shoulder Elbow Surg 2024; 33:e215-e222. [PMID: 37757906 DOI: 10.1016/j.jse.2023.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 08/03/2023] [Accepted: 08/07/2023] [Indexed: 09/29/2023]
Abstract
BACKGROUND Fatty accumulation in rotator cuff muscles has been associated with shoulder dysfunction, risk of repair failure, and poor postoperative outcomes. This study sought to assess risk factors associated with true fatty accumulation based on histologic analysis and determine whether preoperative function directly correlated with this fatty rotator cuff accumulation. METHODS Supraspinatus muscle biopsy specimens obtained prospectively from patients undergoing arthroscopic rotator cuff repair were stained with LipidTOX to quantify lipid accumulation. Two-step cluster analysis with Goutallier classification was used to define the fatty and non-fatty rotator cuff groups. We further performed a receiver operating characteristic curve analysis to confirm the group cutoff values. RESULTS In total, 51 patients (aged 60.1 ± 10.5 years) were included. There were 19 high-grade partial tears, 10 small tears, 7 medium tears, 10 large tears, and 5 massive tears. Both cluster and receiver operating characteristic curve analyses yielded a cutoff value of 30% LipidTOX/4',6-diamidino-2-phenylindole (DAPI) separating the fatty vs. non-fatty groups. In the univariate analysis, patients with fatty rotator cuffs were aged 63.2 years on average compared with 59.7 years in the non-fatty group (P = .038). Female patients made up 57.1% of the fatty cohort, which was statistically higher than the non-fatty group (P = .042). Massive and large tears were more likely to occur in the fatty group (P = .005). In the multivariate analysis, full tendon tears had the largest predictive status of falling into the fatty group (odds ratio, 15.4; P = .008), followed by female sex (odds ratio, 4.9; P = .036). Patients in the fatty group had significantly higher American Shoulder and Elbow Surgeons scores (P = .048) and lower visual analog scale scores (P = .002). DISCUSSION AND CONCLUSION This prospective histologic assessment revealed that full-thickness rotator cuff tears and female sex were the largest risk factors for intracellular lipid accumulation. Although tear size correlated with fatty accumulation, the sex disparity is a noteworthy finding that warrants further research.
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Affiliation(s)
- Steven L Bokshan
- Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA
| | | | - Lindsey Ruderman
- Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA
| | - Helen Rueckert
- Department of Cell Biology, Duke University, Durham, NC, USA
| | - Jay Levin
- Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA
| | | | - Juliana Ibarra
- Department of Cell Biology, Duke University, Durham, NC, USA
| | - Christopher Klifto
- Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA
| | | | - Oke Anakwenze
- Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA
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Chang EY, Suprana A, Tang Q, Cheng X, Fu E, Orozco E, Jerban S, Shah SB, Du J, Ma Y. Rotator cuff muscle fibrosis can be assessed using ultrashort echo time magnetization transfer MRI with fat suppression. NMR IN BIOMEDICINE 2024; 37:e5058. [PMID: 37828713 PMCID: PMC10841248 DOI: 10.1002/nbm.5058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/30/2023] [Accepted: 09/19/2023] [Indexed: 10/14/2023]
Abstract
Muscle degeneration following rotator cuff tendon tearing is characterized by fatty infiltration and fibrosis. While tools exist for the characterization of fat, the ability to noninvasively assess muscle fibrosis is limited. The purpose of this study was to evaluate the capability of quantitative ultrashort echo time T1 (UTE-T1) and UTE magnetization transfer (UTE-MT) mapping with and without fat suppression (FS) for the differentiation of injured and control rotator cuff muscles and for the detection of fibrosis. A rat model of chronic massive rotator cuff tearing (n = 12) was used with tenotomy of the right supraspinatus and infraspinatus tendons and silicone implants to prevent healing. Imaging was performed on a 3-T scanner, and UTE-T1 mapping with and without FS and UTE-MT with and without FS for macromolecular fraction (MMF) mapping was performed. At 20 weeks postinjury, T1 and MMF were measured in the supraspinatus and infraspinatus muscles of the injured and contralateral, internal control sides. Histology was performed and connective tissue fraction (CTF) was measured, defined as the area of collagen-rich extracellular matrix divided by the total muscle area. Paired t-tests and correlation analyses were performed. Significant differences between injured and control sides were found for CTF in the supraspinatus (mean ± SD, 14.5% ± 3.9% vs. 11.3% ± 3.7%, p = 0.01) and infraspinatus (17.0% ± 5.4% vs. 12.5% ± 4.6%, p < 0.01) muscles, as well as for MMF using UTE-MT FS in the supraspinatus (9.7% ± 0.3% vs. 9.5% ± 0.2%, p = 0.04) and infraspinatus (10.9% ± 0.8% vs. 10.1% ± 0.5%, p < 0.01) muscles. No significant differences between sides were evident for T1 without or with FS or for MMF using UTE-MT. Only MMF using UTE-MT FS was significantly correlated with CTF for both supraspinatus (r = 0.46, p = 0.03) and infraspinatus (r = 0.51, p = 0.01) muscles. Fibrosis occurs in rotator cuff muscle degeneration, and the UTE-MT FS technique may be helpful to evaluate the fibrosis component, independent from the fatty infiltration process.
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Affiliation(s)
- Eric Y Chang
- Radiology Service, VA San Diego Healthcare System, San Diego, California, USA
- Department of Radiology, University of California San Diego, San Diego, California, USA
| | - Arya Suprana
- Department of Radiology, University of California San Diego, San Diego, California, USA
- Department of Bioengineering, University of California San Diego, San Diego, California, USA
| | - Qingbo Tang
- Department of Radiology, University of California San Diego, San Diego, California, USA
- Research Service, VA San Diego Healthcare System, San Diego, California, USA
| | - Xin Cheng
- Department of Radiology, University of California San Diego, San Diego, California, USA
- Research Service, VA San Diego Healthcare System, San Diego, California, USA
| | - Eddie Fu
- Department of Radiology, University of California San Diego, San Diego, California, USA
- Research Service, VA San Diego Healthcare System, San Diego, California, USA
| | - Elisabeth Orozco
- Research Service, VA San Diego Healthcare System, San Diego, California, USA
- Department of Orthopedic Surgery, University of California San Diego, San Diego, California, USA
| | - Saeed Jerban
- Department of Radiology, University of California San Diego, San Diego, California, USA
- Research Service, VA San Diego Healthcare System, San Diego, California, USA
- Department of Orthopedic Surgery, University of California San Diego, San Diego, California, USA
| | - Sameer B Shah
- Department of Bioengineering, University of California San Diego, San Diego, California, USA
- Research Service, VA San Diego Healthcare System, San Diego, California, USA
- Department of Orthopedic Surgery, University of California San Diego, San Diego, California, USA
| | - Jiang Du
- Department of Radiology, University of California San Diego, San Diego, California, USA
- Department of Bioengineering, University of California San Diego, San Diego, California, USA
- Research Service, VA San Diego Healthcare System, San Diego, California, USA
| | - Yajun Ma
- Department of Radiology, University of California San Diego, San Diego, California, USA
- Research Service, VA San Diego Healthcare System, San Diego, California, USA
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Otsuka T, Kan HM, Mengsteab PY, Tyson B, Laurencin CT. Fibroblast growth factor 8b (FGF-8b) enhances myogenesis and inhibits adipogenesis in rotator cuff muscle cell populations in vitro. Proc Natl Acad Sci U S A 2024; 121:e2314585121. [PMID: 38147545 PMCID: PMC10769839 DOI: 10.1073/pnas.2314585121] [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: 08/23/2023] [Accepted: 11/24/2023] [Indexed: 12/28/2023] Open
Abstract
Fatty expansion is one of the features of muscle degeneration due to muscle injuries, and its presence interferes with muscle regeneration. Specifically, poor clinical outcomes have been linked to fatty expansion in rotator cuff tears and repairs. Our group recently found that fibroblast growth factor 8b (FGF-8b) inhibits adipogenic differentiation and promotes myofiber formation of mesenchymal stem cells in vitro. This led us to hypothesize that FGF-8b could similarly control the fate of muscle-specific cell populations derived from rotator cuff muscle involved in muscle repair following rotator cuff injury. In this study, we isolate fibro-adipogenic progenitor cells (FAPs) and satellite stem cells (SCs) from rat rotator cuff muscle tissue and analyzed the effects of FGF-8b supplementation. Utilizing a cell plating protocol, we successfully isolate FAPs-rich fibroblasts (FIBs) and SCs-rich muscle progenitor cells (MPCs). Subsequently, we demonstrate that FIB adipogenic differentiation can be inhibited by FGF-8b, while MPC myogenic differentiation can be enhanced by FGF-8b. We further demonstrate that phosphorylated ERK due to FGF-8b leads to the inhibition of adipogenesis in FIBs and SCs maintenance and myofiber formation in MPCs. Together, these findings demonstrate the powerful potential of FGF-8b for rotator cuff repair by altering the fate of muscle undergoing degeneration.
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Affiliation(s)
- Takayoshi Otsuka
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical, and Engineering Sciences, University of Connecticut Health Center, Farmington, CT06030
| | - Ho-Man Kan
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical, and Engineering Sciences, University of Connecticut Health Center, Farmington, CT06030
| | - Paulos Y. Mengsteab
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical, and Engineering Sciences, University of Connecticut Health Center, Farmington, CT06030
- Department of Orthopedic Surgery, University of Connecticut Health Center, Farmington, CT06030
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT06269
| | - Breajah Tyson
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
| | - Cato T. Laurencin
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Storrs, CT06269
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical, and Engineering Sciences, University of Connecticut Health Center, Farmington, CT06030
- Department of Orthopedic Surgery, University of Connecticut Health Center, Farmington, CT06030
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT06269
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT06269
- Department of Chemical and Biomolecular Engineering, University of Connecticut, Storrs, CT06269
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Wu YM, Tang H, Xiao YF, Xiong YL, Liu WJ, Meng JH, Gao SG. Interposition Grafting Using Fascia Lata Autograft for Failed Rotator Cuff Repairs. Arthrosc Tech 2024; 13:102822. [PMID: 38312872 PMCID: PMC10837973 DOI: 10.1016/j.eats.2023.08.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 08/27/2023] [Indexed: 02/06/2024] Open
Abstract
Massive rotator cuff tears are a huge challenge for orthopaedic surgeons, as the patients may be in need of multiple operations, even including reverse total shoulder arthroplasty. The various repair methods for the rotator cuff, such as partial rotator cuff repair, patch-augmented rotator cuff repair, bridging rotator cuff reconstruction with graft interposition, tendon transfer, and superior capsular reconstruction, have always been the focus of research. During surgical intervention for failed rotator cuff repairs, complexity of tears, poor tissue quality, retained hardware, and adhesions are the problems routinely encountered. In this Technical Note, we describe the technique of interposition grafting using fascia lata autograft to reconstruct the rotator cuff after failed primary repair.
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Affiliation(s)
- Yu-Mei Wu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Hang Tang
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yi-Fan Xiao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yi-Lin Xiong
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wei-Jie Liu
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jia-Hao Meng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shu-Guang Gao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Key Laboratory of Joint Degeneration and Injury, Changsha, Hunan, China
- Hunan Engineering Research Center of Osteoarthritis, Changsha, Hunan, China
- National Clinical Research Center of Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
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Saveh-Shemshaki N, Barajaa MA, Otsuka T, Mirdamadi ES, Nair LS, Laurencin CT. Electroconductivity, a regenerative engineering approach to reverse rotator cuff muscle degeneration. Regen Biomater 2023; 10:rbad099. [PMID: 38020235 PMCID: PMC10676522 DOI: 10.1093/rb/rbad099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 10/25/2023] [Accepted: 10/28/2023] [Indexed: 12/01/2023] Open
Abstract
Muscle degeneration is one the main factors that lead to the high rate of retear after a successful repair of rotator cuff (RC) tears. The current surgical practices have failed to treat patients with chronic massive rotator cuff tears (RCTs). Therefore, regenerative engineering approaches are being studied to address the challenges. Recent studies showed the promising outcomes of electroactive materials (EAMs) on the regeneration of electrically excitable tissues such as skeletal muscle. Here, we review the most important biological mechanism of RC muscle degeneration. Further, the review covers the recent studies on EAMs for muscle regeneration including RC muscle. Finally, we will discuss the future direction toward the application of EAMs for the augmentation of RCTs.
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Affiliation(s)
- Nikoo Saveh-Shemshaki
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, CT 06030, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Mohammed A Barajaa
- Department of Biomedical Engineering, Imam Abdulrahman Bin Faisal University, Dammam 31451, Saudi Arabia
| | - Takayoshi Otsuka
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, CT 06030, USA
| | - Elnaz S Mirdamadi
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, CT 06030, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Lakshmi S Nair
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, CT 06030, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA
- Department of Orthopedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
| | - Cato T Laurencin
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, CT 06030, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, USA
- Department of Orthopedic Surgery, University of Connecticut Health Center, Farmington, CT 06030, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT 06269, USA
- Department of Chemical & Biomolecular Engineering, University of Connecticut, Storrs, CT 06269, USA
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Ou L, Tan X, Qiao S, Wu J, Su Y, Xie W, Jin N, He J, Luo R, Lai X, Liu W, Zhang Y, Zhao F, Liu J, Kang Y, Shao L. Graphene-Based Material-Mediated Immunomodulation in Tissue Engineering and Regeneration: Mechanism and Significance. ACS NANO 2023; 17:18669-18687. [PMID: 37768738 DOI: 10.1021/acsnano.3c03857] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
Tissue engineering and regenerative medicine hold promise for improving or even restoring the function of damaged organs. Graphene-based materials (GBMs) have become a key player in biomaterials applied to tissue engineering and regenerative medicine. A series of cellular and molecular events, which affect the outcome of tissue regeneration, occur after GBMs are implanted into the body. The immunomodulatory function of GBMs is considered to be a key factor influencing tissue regeneration. This review introduces the applications of GBMs in bone, neural, skin, and cardiovascular tissue engineering, emphasizing that the immunomodulatory functions of GBMs significantly improve tissue regeneration. This review focuses on summarizing and discussing the mechanisms by which GBMs mediate the sequential regulation of the innate immune cell inflammatory response. During the process of tissue healing, multiple immune responses, such as the inflammatory response, foreign body reaction, tissue fibrosis, and biodegradation of GBMs, are interrelated and influential. We discuss the regulation of these immune responses by GBMs, as well as the immune cells and related immunomodulatory mechanisms involved. Finally, we summarize the limitations in the immunomodulatory strategies of GBMs and ideas for optimizing GBM applications in tissue engineering. This review demonstrates the significance and related mechanism of the immunomodulatory function of GBM application in tissue engineering; more importantly, it contributes insights into the design of GBMs to enhance wound healing and tissue regeneration in tissue engineering.
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Affiliation(s)
- Lingling Ou
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Xiner Tan
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Shijia Qiao
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Junrong Wu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yuan Su
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
- Stomatology Center, Shunde Hospital, Southern Medical University (The First People's Hospital of Shunde), Foshan 528399, China
| | - Wenqiang Xie
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Nianqiang Jin
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Jiankang He
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Ruhui Luo
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Xuan Lai
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Wenjing Liu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yanli Zhang
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Fujian Zhao
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Jia Liu
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Yiyuan Kang
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
| | - Longquan Shao
- Stomatological Hospital, Southern Medical University, Guangzhou 510280, China
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Shemshaki NS, Kan HM, Barajaa MA, Lebaschi A, Otsuka T, Mishra N, Nair LS, Laurencin CT. Efficacy of a Novel Electroconductive Matrix To Treat Muscle Atrophy and Fat Accumulation in Chronic Massive Rotator Cuff Tears of the Shoulder. ACS Biomater Sci Eng 2023; 9:5782-5792. [PMID: 37769114 DOI: 10.1021/acsbiomaterials.3c00585] [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] [Indexed: 09/30/2023]
Abstract
The high retear rate after a successful repair of the rotator cuff (RC) is a major clinical challenge. Muscle atrophy and fat accumulation of RC muscles over time adversely affect the rate of retear. Since current surgical techniques do not improve muscle degenerative conditions, new treatments are being developed to reduce muscle atrophy and fat accumulation. In the previous study, we have shown the efficacy of aligned electroconductive nanofibrous fabricated by coating poly(3,4-ethylene dioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) nanoparticles onto aligned poly(ε-caprolactone) (PCL) electrospun nanofibers (PEDOT:PSS matrix) to reduce muscle atrophy in acute and subacute models of RC tears (RCTs). In this study, we further evaluated the efficacy of the PEDOT:PSS matrix to reduce muscle atrophy and fat accumulation in a rat model of chronic massive full-thickness RCTs (MRCTs). The matrices were transplanted on the myotendinous junction to the belly of the supraspinatus and infraspinatus muscles at 16 weeks after MRCTs. The biomechanics and histological assessments showed the potential of the PEDOT:PSS matrix to suppress the progression of muscle atrophy, fat accumulation, and fibrosis in both supraspinatus and infraspinatus muscles at 24 and 32 weeks after MRCTs. We also demonstrated that the PEDOT:PSS matrix implantation significantly improved the tendon morphology and tensile properties compared with current surgical techniques.
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Affiliation(s)
- Nikoo Saveh Shemshaki
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, Connecticut 06030, United States
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, Connecticut 06030, United States
- Department of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Ho-Man Kan
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, Connecticut 06030, United States
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, Connecticut 06030, United States
| | - Mohammed A Barajaa
- Department of Biomedical Engineering, Imam Abdulrahman Bin Faisal University, Dammam 31451, Saudi Arabia
| | - Amir Lebaschi
- Department of Orthopedic Surgery, University of Connecticut Health Center, Farmington, Connecticut 06030, United States
| | - Takayoshi Otsuka
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, Connecticut 06030, United States
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, Connecticut 06030, United States
| | - Neha Mishra
- Department of Pathobiology and Veterinary Science, University of Connecticut, Storrs, Connecticut 06269, United States
- Connecticut Veterinary Medical Diagnostic Laboratory, Storrs, Connecticut 06269, United States
| | - Lakshmi S Nair
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, Connecticut 06030, United States
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, Connecticut 06030, United States
- Department of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
- Department of Orthopedic Surgery, University of Connecticut Health Center, Farmington, Connecticut 06030, United States
- Department of Materials Science and Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
- Department of Chemical & Biomolecular Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Cato T Laurencin
- The Cato T. Laurencin Institute for Regenerative Engineering, University of Connecticut, Farmington, Connecticut 06030, United States
- Raymond and Beverly Sackler Center for Biomedical, Biological, Physical and Engineering Sciences, University of Connecticut Health Center, Farmington, Connecticut 06030, United States
- Department of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
- Department of Orthopedic Surgery, University of Connecticut Health Center, Farmington, Connecticut 06030, United States
- Department of Materials Science and Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
- Department of Chemical & Biomolecular Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
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