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Wang S, Sha P, Zhao X, Tao Z, Liu S. Peritendinous adhesion: Therapeutic targets and progress of drug therapy. Comput Struct Biotechnol J 2024; 23:251-263. [PMID: 38173878 PMCID: PMC10762322 DOI: 10.1016/j.csbj.2023.11.059] [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: 05/15/2023] [Revised: 11/28/2023] [Accepted: 11/28/2023] [Indexed: 01/05/2024] Open
Abstract
Peritendinous adhesion (PA) is one of the most common complications following hand surgery and characterized with abnormal hyperplasia of connective tissue and excessive deposition of extracellular matrix. Subsequently, various clinical symptoms such as chronic pain, limb dyskinesia and even joint stiffness occur and patients are always involved in the vicious cycle of "adhesion - release - re-adhesion", which seriously compromise the quality of life. Until present, the underlying mechanism remains controversial and lack of specific treatment, with symptomatic treatment being the only option to relieve symptoms, but not contributing no more to the fundamentally rehabilitation of basic structure and function. Recently, novel strategies have been proposed to inhibit the formation of adhesion tissues including implantation of anti-adhesion barriers, anti-inflammation, restraint of myofibroblast transformation and regulation of collagen overproduction. Furthermore, gene therapy has also been considered as a promising anti-adhesion treatment. In this review, we provide an overview of anti-adhesion targets and relevant drugs to summarize the potential pharmacological roles and present subsequent challenges and prospects of anti-adhesion drugs.
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Affiliation(s)
| | | | | | - Zaijin Tao
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Hanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Shen Liu
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Hanghai Jiao Tong University School of Medicine, Shanghai 200233, China
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2
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Böl M, Leichsenring K, Kohn S, Ehret AE. The anisotropic and region-dependent mechanical response of wrap-around tendons under tensile, compressive and combined multiaxial loads. Acta Biomater 2024; 183:157-172. [PMID: 38838908 DOI: 10.1016/j.actbio.2024.05.053] [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: 12/01/2023] [Revised: 05/20/2024] [Accepted: 05/30/2024] [Indexed: 06/07/2024]
Abstract
The present work reports on the multiaxial region and orientation-dependent mechanical properties of two porcine wrap-around tendons under tensile, compressive and combined loads based on an extensive study with n=175 samples. The results provide a detailed dataset of the anisotropic tensile and compressive longitudinal properties and document a pronounced tension-compression asymmetry. Motivated by the physiological loading conditions of these tendons, which include transversal compression at bony abutments in addition to longitudinal tension, we systematically investigated the change in axial tension when the tendon is compressed transversally along one or both perpendicular directions. The results reveal that the transversal compression can increase axial tension (proximal-distal direction) in both cases to orders of 30%, yet by a larger amount in the first case (transversal compression in anterior-posterior direction), which seems to be more relevant for wrap-around tendons in-vivo. These quantitative measurements are in line with earlier findings on auxetic properties of tendon tissue, but show for the first time the influence of this property on the stress response of the tendon, and may thus reveal an important functional principle within these essential elements of force transmission in the body. STATEMENT OF SIGNIFICANCE: The work reports for the first time on multiaxial region and orientation-dependent mechanical properties of wrap-around tendons under various loads. The results indicate that differences in the mechanical properties exist between zones that are predominantly in a uniaxial tensile state and those that experience complex load states. The observed counterintuitive increase of the axial tension upon lateral compression points at auxetic properties of the tendon tissue which may be pivotal for the function of the tendon as an element of the musculoskeletal system. It suggests that the tendon's performance in transmitting forces is not diminished but enhanced when the action line is deflected by a bony pulley around which the tendon wraps, representing an important functional principle of tendon tissue.
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Affiliation(s)
- Markus Böl
- Institute of Mechanics and Adaptronics, Technische Universität Braunschweig, Braunschweig D-38106, Germany.
| | - Kay Leichsenring
- Institute of Mechanics and Adaptronics, Technische Universität Braunschweig, Braunschweig D-38106, Germany
| | - Stephan Kohn
- Institute of Mechanics and Adaptronics, Technische Universität Braunschweig, Braunschweig D-38106, Germany
| | - Alexander E Ehret
- Empa, Swiss Federal Laboratories for Materials Science and Technology, CH-8600 Dübendorf, Switzerland; Institute for Mechanical Systems, ETH Zurich, Zürich, CH-8092, Switzerland
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3
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Zhao J, Zhang D, Lan Q, Zhong G, Liu Y, Holwell N, Wang X, Meng J, Yao J, Amsden BG, Yu Y, Chen F. Tendon Decellularized Matrix Modified Fibrous Scaffolds with Porous and Crimped Microstructure for Tendon Regeneration. ACS APPLIED BIO MATERIALS 2024; 7:4747-4759. [PMID: 39005189 DOI: 10.1021/acsabm.4c00565] [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: 07/16/2024]
Abstract
Current engineered synthetic scaffolds fail to functionally repair and regenerate ruptured native tendon tissues, partly because they cannot satisfy both the unique biological and biomechanical properties of these tissues. Ideal scaffolds for tendon repair and regeneration need to provide porous topographic structures and biological cues necessary for the efficient infiltration and tenogenic differentiation of embedded stem cells. To obtain crimped and porous scaffolds, highly aligned poly(l-lactide) fibers were prepared by electrospinning followed by postprocessing. Through a mild and controlled hydrogen gas foaming technique, we successfully transformed the crimped fibrous mats into three-dimensional porous scaffolds without sacrificing the crimped microstructure. Porcine derived decellularized tendon matrix was then grafted onto this porous scaffold through fiber surface modification and carbodiimide chemistry. These biofunctionalized, crimped, and porous scaffolds supported the proliferation, migration, and tenogenic induction of tendon derived stem/progenitor cells, while enabling adhesion to native tendons. Together, our data suggest that these biofunctionalized scaffolds can be exploited as promising engineered scaffolds for the treatment of acute tendon rupture.
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Affiliation(s)
- Jianping Zhao
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Department of Orthopedics Trauma and Hand Surgery & Guangxi Key Laboratory of Regenerative Medicine, International Joint Laboratory on Regeneration of Bone and Soft Tissue, The First Affiliated Hospital of Guangxi Medical University, Nanning 530007, China
| | - Di Zhang
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Qiumei Lan
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Gang Zhong
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yisi Liu
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Nathaniel Holwell
- Department of Chemical Engineering, Queen's University, Kingston K7L 3N6, Canada
| | - Xiang Wang
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Jinzhi Meng
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
- Department of Orthopedics Trauma and Hand Surgery & Guangxi Key Laboratory of Regenerative Medicine, International Joint Laboratory on Regeneration of Bone and Soft Tissue, The First Affiliated Hospital of Guangxi Medical University, Nanning 530007, China
| | - Jun Yao
- Department of Orthopedics Trauma and Hand Surgery & Guangxi Key Laboratory of Regenerative Medicine, International Joint Laboratory on Regeneration of Bone and Soft Tissue, The First Affiliated Hospital of Guangxi Medical University, Nanning 530007, China
| | - Brian G Amsden
- Department of Chemical Engineering, Queen's University, Kingston K7L 3N6, Canada
| | - Yin Yu
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Fei Chen
- Center for Materials Synthetic Biology, CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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Hanimann J, Fitze DP, Götschi T, Fröhlich S, Frey WO, de Bruin ED, Sutter R, Spörri J. Changes in patellar tendon complaints and shear wave velocity patterns among competitive alpine skiers during a 4-year post-growth spurt follow-up. Front Physiol 2024; 15:1401632. [PMID: 39040077 PMCID: PMC11261000 DOI: 10.3389/fphys.2024.1401632] [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: 03/15/2024] [Accepted: 05/30/2024] [Indexed: 07/24/2024] Open
Abstract
Patellar tendon (PT) complaints are frequent in competitive alpine skiers and such complaints are characterized by a long-lasting affection. Since PTs are subject to maturation up to 1-2 years after growth spurt, this early career stage may be decisive for the further course of complaints. The aim of this study was to investigate the evolution of PT complaints and shear wave velocity patterns among competitive alpine skiers during a 4-year post-growth spurt follow-up. The PT complaints and SWV patterns of forty-seven skiers were analysed at baseline (i.e., immediately after their peak height growth at 13-15 years of age) and were re-analysed at 4-year follow-up. The PTs were scanned via three-dimensional SWE. Symptomatic skiers were identified based on pain sensation under loading and pressure-induced pain around the PT. The prevalence of PT complaints decreased from 29.8% at baseline to 12.8% at follow-up (Pearson's χ2 = 9.429; p = 0.002). SWV decreased from the baseline assessment to the follow-up in the proximal and distal regions (p < 0.05). SWV coefficient of variation (CV) in the distal and mid-portion regions was greater at baseline than at follow-up (p < 0.05). At the follow-up assessment, compared to "healthy" skiers, "healed" skiers who recovered from PT complaints had lower SWVs in the proximal region (p = 0.020) and greater SWV CVs in the proximal region (p = 0.028). Moreover, symptomatic skiers had significantly greater SWV CVs in the mid-portion region than did "healthy" subjects with no history of PT complaints (p = 0.020). The average SWV was negatively correlated with the SWV (proximal: r = -0.74, p < 0.001; mid-portion: r = -0.37 p = 0.011; and distal: r = -0.58, p < 0.001). The occurrence of PT complaints decreased over a 4-year post-growth spurt follow-up. "Healed" skiers who were symptomatic at baseline had an even greater average decrease in the proximal and mid-portion SWV than "healthy" skiers with no history of PT complaints. This may lead to the hypothesis that PT complaints in adolescent skiers are not self-eliminating towards the end of adolescence, as at least structural irregularities appear to persist for several years after the onset of initial symptoms. Furthermore, "healed" and symptomatic tendons exhibited increased SWV variability, supporting the hypothesis that SWV CV may provide additional valuable information on the mechanical properties of PTs affected by overuse-related complaints.
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Affiliation(s)
- Jonas Hanimann
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland
| | - Daniel P. Fitze
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland
| | - Tobias Götschi
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- Orthopaedic Biomechanics Laboratory, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- Institute for Biomechanics, ETH Zurich, Zurich, Switzerland
| | - Stefan Fröhlich
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Walter O. Frey
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Eling D. de Bruin
- Department of Health Sciences and Technology, ETH Zürich, Zurich, Switzerland
- Department of Health, OST—Eastern Swiss University of Applied Sciences, Zurich, Switzerland
| | - Reto Sutter
- Department of Radiology, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
| | - Jörg Spörri
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
- University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zurich, Switzerland
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Marini JJ, Kummer RL, Rocco PRM. Does 'sub-threshold' ventilatory stress promote healing after lung injury? Intensive Care Med Exp 2024; 12:59. [PMID: 38954123 PMCID: PMC11219703 DOI: 10.1186/s40635-024-00644-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 06/22/2024] [Indexed: 07/04/2024] Open
Abstract
Excessive tidal stretching may initiate damage or retard healing after lung injury. However, it is seldom considered whether intracycle power and ventilatory forces of lesser magnitude than those required to cross an injury threshold might stimulate or accelerate beneficial adaptive responses. Acute lung injury is a dynamic process that may exhibit phase-dependent reparative responses to mechanical stress broadly similar to physical training, body trauma or sepsis. We propose that lower stress may not always be better through all phases of ARDS; moderately high tidal airway pressures that stay below the threshold of global injury may have potential to speed healing of the injured lung.
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Affiliation(s)
- John J Marini
- Department of Pulmonary and Critical Care Medicine, University of Minnesota, Minneapolis, St Paul, MN, USA.
| | - Rebecca L Kummer
- Department of Pulmonary and Critical Care Medicine, University of Minnesota, Minneapolis, St Paul, MN, USA
| | - Patricia R M Rocco
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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Wearing SC, Hooper SL, Langton CM, Keiner M, Horstmann T, Crevier-Denoix N, Pourcelot P. The Biomechanics of Musculoskeletal Tissues during Activities of Daily Living: Dynamic Assessment Using Quantitative Transmission-Mode Ultrasound Techniques. Healthcare (Basel) 2024; 12:1254. [PMID: 38998789 PMCID: PMC11241410 DOI: 10.3390/healthcare12131254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/18/2024] [Accepted: 06/19/2024] [Indexed: 07/14/2024] Open
Abstract
The measurement of musculoskeletal tissue properties and loading patterns during physical activity is important for understanding the adaptation mechanisms of tissues such as bone, tendon, and muscle tissues, particularly with injury and repair. Although the properties and loading of these connective tissues have been quantified using direct measurement techniques, these methods are highly invasive and often prevent or interfere with normal activity patterns. Indirect biomechanical methods, such as estimates based on electromyography, ultrasound, and inverse dynamics, are used more widely but are known to yield different parameter values than direct measurements. Through a series of literature searches of electronic databases, including Pubmed, Embase, Web of Science, and IEEE Explore, this paper reviews current methods used for the in vivo measurement of human musculoskeletal tissue and describes the operating principals, application, and emerging research findings gained from the use of quantitative transmission-mode ultrasound measurement techniques to non-invasively characterize human bone, tendon, and muscle properties at rest and during activities of daily living. In contrast to standard ultrasound imaging approaches, these techniques assess the interaction between ultrasound compression waves and connective tissues to provide quantifiable parameters associated with the structure, instantaneous elastic modulus, and density of tissues. By taking advantage of the physical relationship between the axial velocity of ultrasound compression waves and the instantaneous modulus of the propagation material, these techniques can also be used to estimate the in vivo loading environment of relatively superficial soft connective tissues during sports and activities of daily living. This paper highlights key findings from clinical studies in which quantitative transmission-mode ultrasound has been used to measure the properties and loading of bone, tendon, and muscle tissue during common physical activities in healthy and pathological populations.
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Affiliation(s)
- Scott C. Wearing
- School of Medicine and Health, Technical University of Munich, 80992 Munich, Bavaria, Germany
| | - Sue L. Hooper
- School of Health, University of the Sunshine Coast, Sippy Downs, QLD 4556, Australia
| | - Christian M. Langton
- Griffith Centre of Rehabilitation Engineering, Griffith University, Southport, QLD 4222, Australia
| | - Michael Keiner
- Department of Exercise and Training Science, German University of Health and Sport, 85737 Ismaning, Bavaria, Germany
| | - Thomas Horstmann
- School of Medicine and Health, Technical University of Munich, 80992 Munich, Bavaria, Germany
| | | | - Philippe Pourcelot
- INRAE, BPLC Unit, Ecole Nationale Vétérinaire d’Alfort, 94700 Maisons-Alfort, France
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7
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He Y, Zhou H, Qu Y, Chi R, Xu H, Chen S, Meng C, Liu Q, Huang X, You H, Ye Y. Pharmacological modulation of gp130 signalling enhances Achilles tendon repair by regulating tenocyte migration and collagen synthesis via SHP2-mediated crosstalk of the ERK/AKT pathway. Biochem Pharmacol 2024; 226:116370. [PMID: 38880359 DOI: 10.1016/j.bcp.2024.116370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 04/22/2024] [Accepted: 06/13/2024] [Indexed: 06/18/2024]
Abstract
Tendon injuries typically display limited reparative capacity, often resulting in suboptimal outcomes and an elevated risk of recurrence or rupture. While cytokines of the IL-6 family are primarily recognised for their inflammatory properties, they also have multifaceted roles in tissue regeneration and repair. Despite this, studies examining the association between IL-6 family cytokines and tendon repair remained scarce. gp130, a type of glycoprotein, functions as a co-receptor for all cytokines in the IL-6 family. Its role is to assist in the transmission of signals following the binding of ligands to receptors. RCGD423 is a gp130 modulator. Phosphorylation of residue Y759 of gp130 recruits SHP2 and SOCS3 and inhibits activation of the STAT3 pathway. In our study, RCGD423 stimulated the formation of homologous dimers of gp130 and the phosphorylation of Y759 residues without the involvement of IL-6 and IL-6R. Subsequently, the phosphorylated residues recruited SHP2 kinase, activating the downstream ERK and AKT pathways. These mechanisms ultimately promoted the migration ability of tenocytes and matrix synthesis, especially collagen I. Moreover, RCGD423 also demonstrated significant improvements in collagen content, alignment of collagen fibres, and biological and biomechanical function in a rat Achilles tendon injury model. In summary, we demonstrated a promising gp130 modulator (RCGD423) that could potentially enhance tendon injury repair by redirecting downstream signalling of IL-6, suggesting its potential therapeutic application for tendon injuries.
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Affiliation(s)
- Yi He
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Haiting Zhou
- Department of Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Yunkun Qu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Ruimin Chi
- Department of Rehabilitation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Hanqing Xu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Sheng Chen
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Chen Meng
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Qingyi Liu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Xiaojian Huang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China
| | - Hongbo You
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China.
| | - Yaping Ye
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, PR China.
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Zhou Z, Liu J, Xiong T, Liu Y, Tuan RS, Li ZA. Engineering Innervated Musculoskeletal Tissues for Regenerative Orthopedics and Disease Modeling. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310614. [PMID: 38200684 DOI: 10.1002/smll.202310614] [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: 11/18/2023] [Revised: 12/28/2023] [Indexed: 01/12/2024]
Abstract
Musculoskeletal (MSK) disorders significantly burden patients and society, resulting in high healthcare costs and productivity loss. These disorders are the leading cause of physical disability, and their prevalence is expected to increase as sedentary lifestyles become common and the global population of the elderly increases. Proper innervation is critical to maintaining MSK function, and nerve damage or dysfunction underlies various MSK disorders, underscoring the potential of restoring nerve function in MSK disorder treatment. However, most MSK tissue engineering strategies have overlooked the significance of innervation. This review first expounds upon innervation in the MSK system and its importance in maintaining MSK homeostasis and functions. This will be followed by strategies for engineering MSK tissues that induce post-implantation in situ innervation or are pre-innervated. Subsequently, research progress in modeling MSK disorders using innervated MSK organoids and organs-on-chips (OoCs) is analyzed. Finally, the future development of engineering innervated MSK tissues to treat MSK disorders and recapitulate disease mechanisms is discussed. This review provides valuable insights into the underlying principles, engineering methods, and applications of innervated MSK tissues, paving the way for the development of targeted, efficacious therapies for various MSK conditions.
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Affiliation(s)
- Zhilong Zhou
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
| | - Jun Liu
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, NT, Hong Kong SAR, P. R. China
| | - Tiandi Xiong
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, NT, Hong Kong SAR, P. R. China
| | - Yuwei Liu
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, 518000, P. R. China
| | - Rocky S Tuan
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, NT, Hong Kong SAR, P. R. China
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
| | - Zhong Alan Li
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, NT, Hong Kong SAR, P. R. China
- School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, P. R. China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, Guangdong, 518057, P. R. China
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Lee M, Lee Y, Choi JH, Kim H, Jeong D, Park K, Kim J, Park J, Jang WY, Seo J, Lee J. Postoperative Long-Term Monitoring of Mechanical Characteristics in Reconstructed Soft Tissues Using Biocompatible, Immune-Tolerant, and Wireless Electronic Sutures. ACS NANO 2024; 18:12210-12224. [PMID: 38695533 DOI: 10.1021/acsnano.4c00396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2024]
Abstract
Accurate postoperative assessment of varying mechanical properties is crucial for customizing patient-specific treatments and optimizing rehabilitation strategies following Achilles tendon (AT) rupture and reconstruction surgery. This study introduces a wireless, chip-less, and immune-tolerant in vivo strain-sensing suture designed to continuously monitor mechanical stiffness variations in the reconstructed AT throughout the healing process. This innovative sensing suture integrates a standard medical suturing thread with a wireless fiber strain-sensing system, which incorporates a fiber strain sensor and a double-layered inductive coil for wireless readout. The winding design of Au nanoparticle-based fiber electrodes and a hollow core contribute to the fiber strain sensor's high sensitivity (factor of 6.2 and 15.1 pF for revised sensitivity), negligible hysteresis, and durability over 10,000 stretching cycles. To ensure biocompatibility and immune tolerance during extended in vivo periods, an antibiofouling lubricant layer was applied to the sensing suture. Using this sensing system, we successfully monitored the strain responses of the reconstructed AT in an in vivo porcine model. This facilitated the postoperative assessment of mechanical stiffness variations through a well-established analytical model during the healing period.
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Affiliation(s)
- Mugeun Lee
- Department of Robotics and Mechatronics Engineering, DGIST Daegu 42988, Republic of Korea
| | - Yeontaek Lee
- School of Electrical and Electronic Engineering, Yonsei University Seoul 03722, Republic of Korea
| | - Ji Hye Choi
- Department of Orthopedic Surgery, Korea University College of Medicine Seoul 02841, Republic of Korea
- Institute of Nanobiomarker-Based Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Hwajoong Kim
- Department of Robotics and Mechatronics Engineering, DGIST Daegu 42988, Republic of Korea
| | - Daun Jeong
- Department of Orthopedic Surgery, Korea University College of Medicine Seoul 02841, Republic of Korea
- Institute of Nanobiomarker-Based Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Kijun Park
- School of Electrical and Electronic Engineering, Yonsei University Seoul 03722, Republic of Korea
| | - Jinho Kim
- Department of Robotics and Mechatronics Engineering, DGIST Daegu 42988, Republic of Korea
| | - Jae Park
- School of Electrical and Electronic Engineering, Yonsei University Seoul 03722, Republic of Korea
| | - Woo Young Jang
- Department of Orthopedic Surgery, Korea University College of Medicine Seoul 02841, Republic of Korea
- Institute of Nanobiomarker-Based Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Jungmok Seo
- School of Electrical and Electronic Engineering, Yonsei University Seoul 03722, Republic of Korea
| | - Jaehong Lee
- Department of Robotics and Mechatronics Engineering, DGIST Daegu 42988, Republic of Korea
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10
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Ivankovic I, Lin HA, Özbek A, Orive A, Deán‐Ben XL, Razansky D. Multispectral Optoacoustic Tomography Enables In Vivo Anatomical and Functional Assessment of Human Tendons. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308336. [PMID: 38445972 PMCID: PMC11095142 DOI: 10.1002/advs.202308336] [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: 11/02/2023] [Revised: 12/11/2023] [Indexed: 03/07/2024]
Abstract
Tendon injuries resulting from accidents and aging are increasing globally. However, key tendon functional parameters such as microvascularity and oxygen perfusion remain inaccessible via the currently available clinical diagnostic tools, resulting in disagreements on optimal treatment options. Here, a new noninvasive method for anatomical and functional characterization of human tendons based on multispectral optoacoustic tomography (MSOT) is reported. Healthy subjects are investigated using a hand-held scanner delivering real-time volumetric images. Tendons in the wrist, ankle, and lower leg are imaged in the near-infrared optical spectrum to utilize endogenous contrast from Type I collagen. Morphology of the flexor carpi ulnaris, carpi radialis, palmaris longus, and Achilles tendons are reconstructed in full. The functional roles of the flexor digitorium longus, hallicus longus, and the tibialis posterior tendons have been visualized by dynamic tracking during toe extension-flexion motion. Furthermore, major vessels and microvasculature near the Achilles tendon are localized, and the global increase in oxygen saturation in response to targeted exercise is confirmed by perfusion studies. MSOT is shown to be a versatile tool capable of anatomical and functional tendon assessments. Future studies including abnormal subjects can validate the method as a viable noninvasive clinical tool for tendinopathy management and healing monitoring.
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Affiliation(s)
- Ivana Ivankovic
- Faculty of MedicineInstitute for Biomedical Engineering and Institute of Pharmacology and ToxicologyUniversity of ZurichWinterthurerstrasse 190ZurichCH‐8057Switzerland
- Department of Information Technology and Electrical EngineeringInstitute for Biomedical EngineeringETH Zurich, Wolfgang‐Pauli‐Str. 27ZurichCH‐8093Switzerland
| | - Hsiao‐Chun Amy Lin
- Department of Biomedical Engineering and Environmental SciencesNational Tsing Hua UniversityNo.101, Sec.2, Kuang‐Fu RdHsinchu300044Taiwan
| | - Ali Özbek
- Faculty of MedicineInstitute for Biomedical Engineering and Institute of Pharmacology and ToxicologyUniversity of ZurichWinterthurerstrasse 190ZurichCH‐8057Switzerland
- Department of Information Technology and Electrical EngineeringInstitute for Biomedical EngineeringETH Zurich, Wolfgang‐Pauli‐Str. 27ZurichCH‐8093Switzerland
| | - Ana Orive
- Faculty of MedicineInstitute for Biomedical Engineering and Institute of Pharmacology and ToxicologyUniversity of ZurichWinterthurerstrasse 190ZurichCH‐8057Switzerland
- Department of Information Technology and Electrical EngineeringInstitute for Biomedical EngineeringETH Zurich, Wolfgang‐Pauli‐Str. 27ZurichCH‐8093Switzerland
| | - Xosé Luís Deán‐Ben
- Faculty of MedicineInstitute for Biomedical Engineering and Institute of Pharmacology and ToxicologyUniversity of ZurichWinterthurerstrasse 190ZurichCH‐8057Switzerland
- Department of Information Technology and Electrical EngineeringInstitute for Biomedical EngineeringETH Zurich, Wolfgang‐Pauli‐Str. 27ZurichCH‐8093Switzerland
| | - Daniel Razansky
- Faculty of MedicineInstitute for Biomedical Engineering and Institute of Pharmacology and ToxicologyUniversity of ZurichWinterthurerstrasse 190ZurichCH‐8057Switzerland
- Department of Information Technology and Electrical EngineeringInstitute for Biomedical EngineeringETH Zurich, Wolfgang‐Pauli‐Str. 27ZurichCH‐8093Switzerland
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11
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Chang HN, Chen CK, Yu TY, Pang JHS, Hsu CC, Lin LP, Tsai WC. Lidocaine inhibits migration of tenocytes by downregulating focal adhesion kinase and paxillin phosphorylation. J Orthop Res 2024; 42:985-992. [PMID: 38044475 DOI: 10.1002/jor.25762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 11/27/2023] [Accepted: 11/29/2023] [Indexed: 12/05/2023]
Abstract
Lidocaine is the most frequently applied local infiltration anesthetic agent for treating tendinopathies. However, studies have discovered lidocaine to negatively affect tendon healing. In the current study, the molecular mechanisms and effects of lidocaine on tenocyte migration were evaluated. We treated tenocytes intrinsic to the Achilles tendons of Sprague-Dawley rats with lidocaine. The migration ability of cells was analyzed using electric cell-substrate impedance sensing (ECIS) and scratch wound assay. We then used a microscope to evaluate the cell spread. We assessed filamentous actin (F-actin) cytoskeleton formation through immunofluorescence staining. In addition, we used Western blot analysis to analyze the expression of phospho-focal adhesion kinase (FAK), FAK, phospho-paxillin, paxillin, and F-actin. We discovered that lidocaine had an inhibitory effect on the migration of tenocytes in the scratch wound assay and on the ECIS chip. Lidocaine treatment suppressed cell spreading and changed the cell morphology and F-actin distribution. Lidocaine reduced F-actin formation in the tenocyte during cell spreading; furthermore, it inhibited phospho-FAK, F-actin, and phospho-paxillin expression in the tenocytes. Our study revealed that lidocaine inhibits the spread and migration of tenocytes. The molecular mechanism potentially underlying this effect is downregulation of F-actin, phospho-FAK, and phospho-paxillin expression when cells are treated with lidocaine.
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Affiliation(s)
- Hsiang-Ning Chang
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Linkou, Taoyuan City, Taiwan
| | - Chih-Kuang Chen
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Taoyuan, Taoyuan City, Taiwan
| | - Tung-Yang Yu
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Linkou, Taoyuan City, Taiwan
| | - Jong-Hwei S Pang
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Linkou, Taoyuan City, Taiwan
- Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan City, Taiwan
| | - Chih-Chin Hsu
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Keelung, Keelung City, Taiwan
| | - Li-Ping Lin
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Taoyuan, Taoyuan City, Taiwan
- Graduate Institute of Clinical Medical Sciences, Chang Gung University, Taoyuan City, Taiwan
| | - Wen-Chung Tsai
- Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Taoyuan, Taoyuan City, Taiwan
- School of Medicine, Chang Gung University, Taoyuan City, Taiwan
- Center of Comprehensive Sports Medicine, Chang Gung Memorial Hospital at Taoyuan, Taoyuan City, Taiwan
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12
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Dec P, Żyłka M, Burszewski P, Modrzejewski A, Pawlik A. Recent Advances in the Use of Stem Cells in Tissue Engineering and Adjunct Therapies for Tendon Reconstruction and Future Perspectives. Int J Mol Sci 2024; 25:4498. [PMID: 38674084 PMCID: PMC11050411 DOI: 10.3390/ijms25084498] [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: 02/28/2024] [Revised: 04/11/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Due to their function, tendons are exposed to acute injuries. This type of damage to the musculoskeletal system represents a challenge for clinicians when natural regeneration and treatment methods do not produce the expected results. Currently, treatment is long and associated with long-term complications. In this review, we discuss the use of stem cells in the treatment of tendons, including how to induce appropriate cell differentiation based on gene therapy, growth factors, tissue engineering, proteins involved in regenerative process, drugs and three-dimensional (3D) structures. A multidirectional approach as well as the incorporation of novel components of the therapy will improve the techniques used and benefit patients with tendon injuries in the future.
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Affiliation(s)
- Paweł Dec
- Plastic and Reconstructive Surgery Department, 109 Military Hospital, 71-422 Szczecin, Poland; (P.D.); (M.Ż.); (P.B.)
| | - Małgorzata Żyłka
- Plastic and Reconstructive Surgery Department, 109 Military Hospital, 71-422 Szczecin, Poland; (P.D.); (M.Ż.); (P.B.)
| | - Piotr Burszewski
- Plastic and Reconstructive Surgery Department, 109 Military Hospital, 71-422 Szczecin, Poland; (P.D.); (M.Ż.); (P.B.)
| | | | - Andrzej Pawlik
- Department of Physiology, Pomeranian Medical University, 70-111 Szczecin, Poland
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13
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Jorba I, Gussenhoven S, van der Pol A, Groenen BG, van Zon M, Goumans MJ, Kurniawan NA, Ristori T, Bouten CV. Steering cell orientation through light-based spatiotemporal modulation of the mechanical environment. Biofabrication 2024; 16:035011. [PMID: 38574554 DOI: 10.1088/1758-5090/ad3aa6] [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: 09/28/2023] [Accepted: 04/04/2024] [Indexed: 04/06/2024]
Abstract
The anisotropic organization of cells and the extracellular matrix (ECM) is essential for the physiological function of numerous biological tissues, including the myocardium. This organization changes gradually in space and time, during disease progression such as myocardial infarction. The role of mechanical stimuli has been demonstrated to be essential in obtaining, maintaining and de-railing this organization, but the underlying mechanisms are scarcely known. To enable the study of the mechanobiological mechanisms involved,in vitrotechniques able to spatiotemporally control the multiscale tissue mechanical environment are thus necessary. Here, by using light-sensitive materials combined with light-illumination techniques, we fabricated 2D and 3Din vitromodel systems exposing cells to multiscale, spatiotemporally resolved stiffness anisotropies. Specifically, spatial stiffness anisotropies spanning from micron-sized (cellular) to millimeter-sized (tissue) were achieved. Moreover, the light-sensitive materials allowed to introduce the stiffness anisotropies at defined timepoints (hours) after cell seeding, facilitating the study of their temporal effects on cell and tissue orientation. The systems were tested using cardiac fibroblasts (cFBs), which are known to be crucial for the remodeling of anisotropic cardiac tissue. We observed that 2D stiffness micropatterns induced cFBs anisotropic alignment, independent of the stimulus timing, but dependent on the micropattern spacing. cFBs exhibited organized alignment also in response to 3D stiffness macropatterns, dependent on the stimulus timing and temporally followed by (slower) ECM co-alignment. In conclusion, the developed model systems allow improved fundamental understanding of the underlying mechanobiological factors that steer cell and ECM orientation, such as stiffness guidance and boundary constraints.
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Affiliation(s)
- Ignasi Jorba
- Department of Biomedical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), PO Box 513, 5600 MB Eindhoven, The Netherlands
- Unitat de Biofísica i Bioenginyeria, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Sil Gussenhoven
- Department of Biomedical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
| | - Atze van der Pol
- Department of Biomedical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), PO Box 513, 5600 MB Eindhoven, The Netherlands
| | - Bart Gw Groenen
- Department of Biomedical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), PO Box 513, 5600 MB Eindhoven, The Netherlands
| | - Maarten van Zon
- Department of Biomedical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
| | - Marie José Goumans
- Department of Cell and Chemical Biology, Leiden University Medical Centre, Leiden, The Netherlands
| | - Nicholas A Kurniawan
- Department of Biomedical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), PO Box 513, 5600 MB Eindhoven, The Netherlands
| | - Tommaso Ristori
- Department of Biomedical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), PO Box 513, 5600 MB Eindhoven, The Netherlands
| | - Carlijn Vc Bouten
- Department of Biomedical Engineering, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
- Institute for Complex Molecular Systems (ICMS), PO Box 513, 5600 MB Eindhoven, The Netherlands
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14
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Xie X, Xu J, Ding D, Lin J, Han K, Wang C, Wang F, Zhao J, Wang L. Janus Membranes Patch Achieves High-Quality Tendon Repair: Inhibiting Exogenous Healing and Promoting Endogenous Healing. NANO LETTERS 2024; 24:4300-4309. [PMID: 38534038 DOI: 10.1021/acs.nanolett.4c00818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
The imbalance between endogenous and exogenous healing is the fundamental reason for the poor tendon healing. In this study, a Janus patch was developed to promote endogenous healing and inhibit exogenous healing, leading to improved tendon repair. The upper layer of the patch is a poly(dl-lactide-co-glycolide)/polycaprolactone (PLGA/PCL) nanomembrane (PMCP-NM) modified with poly(2-methylacryloxyethyl phosphocholine) (PMPC), which created a lubricated and antifouling surface, preventing cell invasion and mechanical activation. The lower layer is a PLGA/PCL fiber membrane loaded with fibrin (Fb) (Fb-NM), serving as a temporary chemotactic scaffold to regulate the regenerative microenvironment. In vitro, the Janus patch effectively reduced 92.41% cell adhesion and 79.89% motion friction. In vivo, the patch inhibited tendon adhesion through the TGF-β/Smad signaling pathway and promoted tendon maturation. This Janus patch is expected to provide a practical basis and theoretical guidance for high-quality soft tissue repair.
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Affiliation(s)
- Xiaojing Xie
- Key Laboratory of Textile Science & Technology of Ministry of Education College of Textiles, Donghua University, Shanghai 201620, China
| | - Junjie Xu
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Danzhi Ding
- Key Laboratory of Textile Science & Technology of Ministry of Education College of Textiles, Donghua University, Shanghai 201620, China
| | - Jing Lin
- Key Laboratory of Textile Science & Technology of Ministry of Education College of Textiles, Donghua University, Shanghai 201620, China
| | - Kang Han
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Chaorong Wang
- Shanghai Frontier Science Research Center for Advanced Textiles, College of Textiles, Donghua University, Shanghai 201620, China
| | - Fujun Wang
- Shanghai Frontier Science Research Center for Advanced Textiles, College of Textiles, Donghua University, Shanghai 201620, China
| | - Jinzhong Zhao
- Department of Sports Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China
| | - Lu Wang
- Key Laboratory of Textile Science & Technology of Ministry of Education College of Textiles, Donghua University, Shanghai 201620, China
- Shanghai Frontier Science Research Center for Advanced Textiles, College of Textiles, Donghua University, Shanghai 201620, China
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15
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Yaghoobi H, Tremblais C, Gareau A, Cointe M, Tikhomirov AB, Kreplak L, Labrie D. An interferometric-based tensile tester to resolve damage events within reconstituted multi-filaments collagen bundles. J Mech Behav Biomed Mater 2024; 152:106467. [PMID: 38387119 DOI: 10.1016/j.jmbbm.2024.106467] [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: 12/13/2023] [Revised: 02/09/2024] [Accepted: 02/15/2024] [Indexed: 02/24/2024]
Abstract
Understanding how mechanical damage propagates in load-bearing tissues such as skin, tendons and ligaments, is key to developing regenerative medicine solutions for when these tissues fail. For collagenous tissues in particular, damage is typically assessed after mechanical testing using a broad range of microscopy techniques because standard tensile testing systems do not have the time and force sensitivity to resolve mechanical damage events. Here we introduce an interferometric detection scheme to measure the displacement of a cantilever with a resolution of 0.03% of full scale at a sampling rate of 5000 samples/s. The system is validated using collagen fibers engineered to mimic mammalian tendons. The system can detect sudden decrease in force due to slippage between collagen filaments, one to five microns in diameter, within a fiber in air. It can also detect yield events associated with local collagen unfolding or sliding within collagen fibrils within a fiber in liquid. This is opening the road to the sub-failure study of damage propagation within a broad range of hierarchical biomaterials.
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Affiliation(s)
- Hessameddin Yaghoobi
- Department of Physics & Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Chloe Tremblais
- Department of Physics & Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Alex Gareau
- Department of Physics & Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Matthieu Cointe
- Department of Physics & Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Alexey B Tikhomirov
- Department of Physics & Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Laurent Kreplak
- Department of Physics & Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, B3H 4R2, Canada; School of Biomedical Engineering, Dalhousie University, Halifax, Nova Scotia, B3H 4R2, Canada
| | - Daniel Labrie
- Department of Physics & Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, B3H 4R2, Canada.
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16
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Babaniamansour P, Jacho D, Teow A, Rabino A, Garcia-Mata R, Yildirim-Ayan E. Macrophage Mechano-Responsiveness Within Three-Dimensional Tissue Matrix upon Mechanotherapy-Associated Strains. Tissue Eng Part A 2024; 30:314-329. [PMID: 37725574 DOI: 10.1089/ten.tea.2023.0110] [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: 09/21/2023] Open
Abstract
Mechano-rehabilitation, also known as mechanotherapy, represents the forefront of noninvasive treatment for musculoskeletal (MSK) tissue disorders, encompassing conditions affecting tendons, cartilage, ligaments, and muscles. Recent emphasis has underscored the significance of macrophage presence in the healing of MSK tissues. However, a considerable gap still exists in comprehending how mechanical strains associated with mechanotherapy impact both the naïve and pro-inflammatory macrophage phenotypes within the three-dimensional (3D) tissue matrix, as well as whether the shift in macrophage phenotype is contingent on the mechanical strains inherent to mechanotherapy. In this study, we delineated alterations in mechano-adaptation and polarization of both naive and M1 macrophages within 3D matrices, elucidating their response to varying degrees of mechanical strain exposure (3%, 6%, and 12%). To evaluate macrophage mechano-adaptation and mechano-sensitivity within 3D collagen matrices under mechanical loading, we employed structural techniques (scanning electron microscopy, histology), quantitative morphological measures for phenotypic assessment, and genotypic methods such as quantitative real-time polymerase chain reaction. Our data reveal that the response of macrophages to mechanical loading is not only contingent on their specific sub-phenotype but also varies with the amplitude of mechanical strain. Notably, although supra-mechanical loading (12% strain) was requisite to induce a phenotypic shift in naive (M0) macrophages, as little as 3% mechanical strain proved sufficient to prompt phenotypic alterations in pro-inflammatory (M1) macrophages. These findings pave the way for leveraging the macrophage mechanome in customized and targeted applications of mechanical strain within the mechano-therapeutic framework. Considering the prevalence of MSK tissue injuries and their profound societal and economic implications, the development of well-informed and effective clinical mechanotherapy modalities for MSK tissue healing becomes an imperative endeavor. Impact statement Mechanotherapy is a primary noninvasive treatment for musculoskeletal (MSK) tissue injuries, but the effect of mechanical strain on macrophage phenotypes is not fully understood. A recent study found that macrophage response to mechanical loading is both sub-phenotype specific and amplitude-dependent, with even small strains enough to induce phenotypic changes in pro-inflammatory macrophages. These findings could pave the way for using macrophage mechanome in targeted mechanotherapy applications for better MSK tissue healing.
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Affiliation(s)
| | - Diego Jacho
- Department of Bioengineering and University of Toledo, Toledo, Ohio, USA
| | - Ashley Teow
- Department of Bioengineering and University of Toledo, Toledo, Ohio, USA
| | - Agustin Rabino
- Department of Biological Sciences, University of Toledo, Toledo, Ohio, USA
| | - Rafael Garcia-Mata
- Department of Biological Sciences, University of Toledo, Toledo, Ohio, USA
| | - Eda Yildirim-Ayan
- Department of Bioengineering and University of Toledo, Toledo, Ohio, USA
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17
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Giacomini F, Baião Barata D, Suk Rho H, Tahmasebi Birgani Z, van Blitterswijk C, Giselbrecht S, Truckenmüller R, Habibović P. Microfluidically Aligned Collagen to Maintain the Phenotype of Tenocytes In Vitro. Adv Healthc Mater 2024; 13:e2303672. [PMID: 37902084 DOI: 10.1002/adhm.202303672] [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: 10/24/2023] [Indexed: 10/31/2023]
Abstract
Tendon is a highly organized tissue that transmits forces between muscle and bone. The architecture of the extracellular matrix of tendon, predominantly from collagen type I, is important for maintaining tenocyte phenotype and function. Therefore, in repair and regeneration of damaged and diseased tendon tissue, it is crucial to restore the aligned arrangement of the collagen type I fibers of the original matrix. To this end, a novel, user-friendly microfluidic piggyback platform is developed allowing the controlled patterned formation and alignment of collagen fibers simply on the bottom of culture dishes. Rat tenocytes cultured on the micropatterns of aligned fibrous collagen exhibit a more elongated morphology. The cells also show an increased expression of tenogenic markers at the gene and protein level compared to tenocytes cultured on tissue culture plastic or non-fibrillar collagen coatings. Moreover, using imprinted polystyrene replicas of aligned collagen fibers, this work shows that the fibrillar structure of collagen per se affects the tenocyte morphology, whereas the biochemical nature of collagen plays a prominent role in the expression of tenogenic markers. Beyond the controlled provision of aligned collagen, the microfluidic platform can aid in developing more physiologically relevant in vitro models of tendon and its regeneration.
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Affiliation(s)
- Francesca Giacomini
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER, The Netherlands
| | - David Baião Barata
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER, The Netherlands
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Avenida Professor Egas Moniz, Lisbon, 1649-028, Portugal
| | - Hoon Suk Rho
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER, The Netherlands
| | - Zeinab Tahmasebi Birgani
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER, The Netherlands
| | - Clemens van Blitterswijk
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER, The Netherlands
| | - Stefan Giselbrecht
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER, The Netherlands
| | - Roman Truckenmüller
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER, The Netherlands
| | - Pamela Habibović
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, Maastricht, 6229 ER, The Netherlands
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18
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Tsuchiya Y, Takakura H, Osawa S, Izawa T. High-intensity interval training enhances mRNA expression of IGF1Ea in rat Achilles tendon. Mol Biol Rep 2024; 51:374. [PMID: 38421500 DOI: 10.1007/s11033-024-09306-x] [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: 10/19/2023] [Accepted: 02/01/2024] [Indexed: 03/02/2024]
Abstract
High-intensity interval training (HIIT) reportedly enhances the functional properties of the musculoskeletal system. However, the effects of HIIT on tendons remain unclear. Sixteen male rats were randomly assigned to the control (Con) or HIIT group (n = 8 in each group). Rats in the HIIT group executed the HIIT program consisting of 2.5 min treadmill running and 4.5 min rests between the bouts, 5 days per week for 9 weeks. Running speed, number of sets, and inclination were incrementally increased during the training period. Histological analysis revealed no apparent morphological changes in the extracellular matrix structure or nuclei of tenocytes between the groups. Real-time reverse transcription polymerase chain reaction analysis revealed that Igf1Ea mRNA expression was enhanced in the HIIT group. Furthermore, Igfbp5 mRNA expression tended to be higher in the HIIT group. The 9-week HIIT program enhanced tenogenic Igf1Ea mRNA expression.
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Affiliation(s)
- Yoshifumi Tsuchiya
- Faculty of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyoto, 610-0394, Japan.
| | - Hisashi Takakura
- Faculty of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyoto, 610-0394, Japan
| | - Seita Osawa
- Graduate School of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyoto, 610-0394, Japan
| | - Tetsuya Izawa
- Faculty of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyoto, 610-0394, Japan
- Graduate School of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyoto, 610-0394, Japan
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19
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Satkunskiene D, Skarbalius A, Kniubaite A, Mickevicius M, Snieckus A, Rutkauskas S, Kamandulis S. Hamstring stiffness and injury risk factors during the handball season in female players. Appl Physiol Nutr Metab 2024; 49:190-198. [PMID: 37820386 DOI: 10.1139/apnm-2023-0005] [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: 10/13/2023]
Abstract
Monitoring the muscle mechanical properties and functions of female athletes throughout their training season is relevant to understand the relationships between these factors and to predict noncontact injuries, which are prevalent among female athletes. The first aim of this study was to determine whether female handball players' passive stiffness of the hamstring muscles is associated with hamstring extensibility, strength of knee flexors and extensors, and lower limb stiffness. Additionally, the study monitored fluctuations in these factors over 25 weeks. The study utilized an isokinetic dynamometer to record hamstring passive stiffness, extensibility, and hamstring and quadriceps strength of 18 young handball players. Lower limb stiffness was determined from a countermovement vertical jump conducted on a force plate. The countermovement jump involved the calculation of the peak force during the eccentric phase and the mean force during the concentric phase. The results showed a positive correlation between hamstring passive stiffness and lower limb stiffness (r = 0.660, p < 0.01), knee flexion and extension strength (r = 0.592, p < 0.01 and r = 0.497, p < 0.05, respectively), and eccentric peak force (r = 0.587, p < 0.01) during jumping. The strength of knee extensors increased significantly after 6 weeks, and hamstring stiffness after 12 weeks of training. In conclusion, the increased hamstring stiffness following training did not match other factors associated with injury risk. Therefore, preventing multifactorial injury risk requires a comprehensive approach, and monitoring one factor alone is insufficient to predict noncontact injuries in female handball players.
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Affiliation(s)
- Danguole Satkunskiene
- Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania
| | - Antanas Skarbalius
- Department of Coaching ScienceLithuanian Sports University, Kaunas, Lithuania
| | - Audinga Kniubaite
- Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania
| | - Mantas Mickevicius
- Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania
| | - Audrius Snieckus
- Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania
| | - Saulius Rutkauskas
- Department of Radiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Sigitas Kamandulis
- Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania
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20
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Silva Barreto I, Pierantoni M, Nielsen LC, Hammerman M, Diaz A, Novak V, Eliasson P, Liebi M, Isaksson H. Micro- and nanostructure specific X-ray tomography reveals less matrix formation and altered collagen organization following reduced loading during Achilles tendon healing. Acta Biomater 2024; 174:245-257. [PMID: 38096959 DOI: 10.1016/j.actbio.2023.12.015] [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: 08/07/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/25/2023]
Abstract
Recovery of the collagen structure following Achilles tendon rupture is poor, resulting in a high risk for re-ruptures. The loading environment during healing affects the mechanical properties of the tendon, but the relation between loading regime and healing outcome remains unclear. This is partially due to our limited understanding regarding the effects of loading on the micro- and nanostructure of the healing tissue. We addressed this through a combination of synchrotron phase-contrast X-ray microtomography and small-angle X-ray scattering tensor tomography (SASTT) to visualize the 3D organization of microscale fibers and nanoscale fibrils, respectively. The effect of in vivo loading on these structures was characterized in early healing of rat Achilles tendons by comparing full activity with immobilization. Unloading resulted in structural changes that can explain the reported impaired mechanical performance. In particular, unloading led to slower tissue regeneration and maturation, with less and more disorganized collagen, as well as an increased presence of adipose tissue. This study provides the first application of SASTT on soft musculoskeletal tissues and clearly demonstrates its potential to investigate a variety of other collagenous tissues. STATEMENT OF SIGNIFICANCE: Currently our understanding of the mechanobiological effects on the recovery of the structural hierarchical organization of injured Achilles tendons is limited. We provide insight into how loading affects the healing process by using a cutting-edge approach to for the first time characterize the 3D micro- and nanostructure of the regenerating collagen. We uncovered that, during early healing, unloading results in a delayed and more disorganized regeneration of both fibers (microscale) and fibrils (nanoscale), as well as increased presence of adipose tissue. The results set the ground for the development of further specialized protocols for tendon recovery.
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Affiliation(s)
| | - Maria Pierantoni
- Department of Biomedical Engineering, Lund University, Lund, Sweden
| | - Leonard C Nielsen
- Department of Physics, Chalmers University of Technology, Gothenburg, Sweden
| | - Malin Hammerman
- Department of Biomedical Engineering, Lund University, Lund, Sweden; Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Ana Diaz
- Photon Science Division, Paul Scherrer Institute, Villigen PSI, Switzerland
| | - Vladimir Novak
- Photon Science Division, Paul Scherrer Institute, Villigen PSI, Switzerland
| | - Pernilla Eliasson
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Department of Orthopaedics, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Marianne Liebi
- Department of Physics, Chalmers University of Technology, Gothenburg, Sweden; Photon Science Division, Paul Scherrer Institute, Villigen PSI, Switzerland; Institute of materials, Ecole Polytechnique fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Hanna Isaksson
- Department of Biomedical Engineering, Lund University, Lund, Sweden
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21
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Taguchi T, Lopez M, Takawira C. Viable tendon neotissue from adult adipose-derived multipotent stromal cells. Front Bioeng Biotechnol 2024; 11:1290693. [PMID: 38260742 PMCID: PMC10800559 DOI: 10.3389/fbioe.2023.1290693] [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: 09/07/2023] [Accepted: 12/11/2023] [Indexed: 01/24/2024] Open
Abstract
Background: Tendon healing is frequently prolonged, unpredictable, and results in poor tissue quality. Neotissue formed by adult multipotent stromal cells has the potential to guide healthy tendon tissue formation. Objectives: The objective of this study was to characterize tendon neotissue generated by equine adult adipose-derived multipotent stromal cells (ASCs) on collagen type I (COLI) templates under 10% strain in a novel bioreactor. The tested hypothesis was that ASCs assume a tendon progenitor cell-like morphology, express tendon-related genes, and produce more organized extracellular matrix (ECM) in tenogenic versus stromal medium with perfusion and centrifugal fluid motion. Methods: Equine ASCs on COLI sponge cylinders were cultured in stromal or tenogenic medium within bioreactors during combined perfusion and centrifugal fluid motion for 7, 14, or 21 days under 10% strain. Viable cell distribution and number, tendon-related gene expression, and micro- and ultra-structure were evaluated with calcein-AM/EthD-1 staining, resazurin reduction, RT-PCR, and light, transmission, and scanning electron microscopy. Fibromodulin was localized with immunohistochemistry. Cell number and gene expression were compared between culture media and among culture periods (p < 0.05). Results: Viable cells were distributed throughout constructs for up to 21 days of culture, and cell numbers were higher in tenogenic medium. Individual cells had a round or rhomboid shape with scant ECM in stromal medium in contrast to clusters of parallel, elongated cells surrounded by highly organized ECM in tenogenic medium after 21 days of culture. Transcription factor, extracellular matrix, and mature tendon gene expression profiles confirmed ASC differentiation to a tendon progenitor-like cell in tenogenic medium. Construct micro- and ultra-structure were consistent with tendon neotissue and fibromodulin was present in the ECM after culture in tenogenic medium. Conclusion: Long-term culture in custom bioreactors with combined perfusion and centrifugal tenogenic medium circulation supports differentiation of equine adult ASCs into tendon progenitor-like cells capable of neotissue formation.
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22
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Zheng Q, Liu M, He M, Sun S, Liu C, Li Y, Jiang L, Ta D. Low-Intensity Pulsed Ultrasound Promotes the Repair of Achilles Tendinopathy by Downregulating the JAK/STAT Signaling Pathway in Rabbits. IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS, AND FREQUENCY CONTROL 2024; 71:141-152. [PMID: 38060355 DOI: 10.1109/tuffc.2023.3340721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Tendinopathy is a complex tendon injury or pathology outcome, potentially leading to permanent impairment. Low-intensity pulsed ultrasound (LIPUS) is emerging as a treatment modality for tendon disorders. However, the optimal treatment duration and its effect on tendons remain unclear. This study aims to investigate the efficacy of LIPUS in treating injured tendons, delineate the appropriate treatment duration, and elucidate the underlying treatment mechanisms through animal experiments. Ninety-six three-month-old New Zealand white rabbits were divided into normal control (NC) and model groups. The model group received Prostaglandin E2 (PGE2) injections to induce Achilles tendinopathy. They were then divided into model control (MC) and LIPUS treatment (LT) groups. LT received LIPUS intervention with a 1-MHz frequency, a pulse repetition frequency (PRF) of 1 kHz, and spatial average temporal average sound intensity ( [Formula: see text]) of 100 mW/cm2. MC underwent a sham ultrasound, and NC received no treatment. Assessments on 1, 4, 7, 14, and 28 days after LT included shear wave elastography (SWE), mechanical testing, histologic evaluation, ribonucleic acid sequencing (RNA-seq), polymerase chain reaction (PCR), and western blot (WB) analysis. SWE results showed that the shear modulus in the LT group was significantly higher than that in the MC group after LT for seven days. Histological results demonstrated improved tendon tissue alignment and fibroblast distribution after LT. Molecular analyses suggested that LIPUS may downregulate the Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathway and regulate inflammatory and matrix-related factors. We concluded that LT enhanced injured tendon elasticity and accelerated Achilles tendon healing. The study highlighted the JAK/STAT signaling pathway as a potential therapeutic target for LT of Achilles tendinopathy, guiding future research.
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23
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Biryukov SY, Vinogradova NA, Kolesnikov YG, Levashova LA, Markovskaya OV, Moroz DI, Pastel VB, Chantsev AV, Shirokov VA, Shcherbakov GI. [On the use of type I tropocollagen for local injection therapy of spine, upper and lower extremity disorders]. TERAPEVT ARKH 2023; 95:1197-1204. [PMID: 38785061 DOI: 10.26442/00403660.2023.12.202533] [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: 01/31/2024] [Accepted: 01/31/2024] [Indexed: 05/25/2024]
Abstract
A meeting of Interdisciplinary Expert Panel with leading specialists in the field of orthopedics/traumatology, surgery, rheumatology, and neurology was held in Moscow on February 10, 2023. The purpose of the meeting was to discuss the current status of local injection therapy (LIT) in Russia and the rationale behind the use of collagen-based products for various musculoskeletal disorders. The experts considered the following issues: (1) General contraindications to the use of medical products based on tropocollagen as well as an algorithm for actions in case of adverse events; (2) Guidelines regarding LIT in general and LIT using tropocollagen in particular, including in combination with other LIT products; (3) Particular indications and approaches to the treatment of patients with abnormal changes in appendicular joints and spine with damage to both intra-articular structures and periarticular soft tissue.
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Affiliation(s)
| | | | - Y G Kolesnikov
- Medical Companys LLC (Reshetov Institute of Surgical Correction and Rehabilitation)
| | - L A Levashova
- Far Eastern Federal University
- Artrologia LLC (Professor Dubikov's Rheumatology Clinic)
| | | | - D I Moroz
- EzraMed Clinic LLC (Ezramed Clinic Medical Center)
| | | | | | - V A Shirokov
- Ekaterinburg Scientific Center for Industrial Worker Health Promotion and Disease Prevention
- Erisman Federal Scientific Center for Hygiene and Sanitation
- Ural State Medical University
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24
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Faydaver M, El Khatib M, Russo V, Rigamonti M, Raspa M, Di Giacinto O, Berardinelli P, Mauro A, Scavizzi F, Bonaventura F, Mastrorilli V, Valbonetti L, Barboni B. Unraveling the link: locomotor activity exerts a dual role in predicting Achilles tendon healing and boosting regeneration in mice. Front Vet Sci 2023; 10:1281040. [PMID: 38179329 PMCID: PMC10764449 DOI: 10.3389/fvets.2023.1281040] [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: 08/21/2023] [Accepted: 11/29/2023] [Indexed: 01/06/2024] Open
Abstract
Introduction Tendon disorders present significant challenges in the realm of musculoskeletal diseases, affecting locomotor activity and causing pain. Current treatments often fall short of achieving complete functional recovery of the tendon. It is crucial to explore, in preclinical research, the pathways governing the loss of tissue homeostasis and its regeneration. In this context, this study aimed to establish a correlation between the unbiased locomotor activity pattern of CRL:CD1 (ICR) mice exposed to uni- or bilateral Achilles tendon (AT) experimental injuries and the key histomorphometric parameters that influence tissue microarchitecture recovery. Methods The study involved the phenotyping of spontaneous and voluntary locomotor activity patterns in male mice using digital ventilated cages (DVC®) with access to running wheels either granted or blocked. The mice underwent non-intrusive 24/7 long-term activity monitoring for the entire study period. This period included 7 days of pre-injury habituation followed by 28 days post-injury. Results and discussion The results revealed significant variations in activity levels based on the type of tendon injury and access to running wheels. Notably, mice with bilateral lesions and unrestricted wheel access exhibited significantly higher activity after surgery. Extracellular matrix (ECM) remodeling, including COL1 deposition and organization, blood vessel remodeling, and metaplasia, as well as cytological tendon parameters, such as cell alignment and angle deviation were enhanced in surgical (bilateral lesion) and husbandry (free access to wheels) groups. Interestingly, correlation matrix analysis uncovered a strong relationship between locomotion and microarchitecture recovery (cell alignment and angle deviation) during tendon healing. Overall, this study highlights the potential of using mice activity metrics obtained from a home-cage monitoring system to predict tendon microarchitecture recovery at both cellular and ECM levels. This provides a scalable experimental setup to address the challenging topic of tendon regeneration using innovative and animal welfare-compliant strategies.
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Affiliation(s)
- Melisa Faydaver
- Unit of Basic and Applied Biosciences, Department of Biosciences, Agro-Food and Environmental Technologies, University of Teramo, Teramo, Italy
| | - Mohammad El Khatib
- Unit of Basic and Applied Biosciences, Department of Biosciences, Agro-Food and Environmental Technologies, University of Teramo, Teramo, Italy
| | - Valentina Russo
- Unit of Basic and Applied Biosciences, Department of Biosciences, Agro-Food and Environmental Technologies, University of Teramo, Teramo, Italy
| | | | - Marcello Raspa
- National Research Council, Institute of Biochemistry and Cell Biology (CNR-IBBC/EMMA/Infrafrontier/IMPC), International Campus ‘A. Buzzati-Traverso’, Rome, Italy
| | - Oriana Di Giacinto
- Unit of Basic and Applied Biosciences, Department of Biosciences, Agro-Food and Environmental Technologies, University of Teramo, Teramo, Italy
| | - Paolo Berardinelli
- Unit of Basic and Applied Biosciences, Department of Biosciences, Agro-Food and Environmental Technologies, University of Teramo, Teramo, Italy
| | - Annunziata Mauro
- Unit of Basic and Applied Biosciences, Department of Biosciences, Agro-Food and Environmental Technologies, University of Teramo, Teramo, Italy
| | - Ferdinando Scavizzi
- National Research Council, Institute of Biochemistry and Cell Biology (CNR-IBBC/EMMA/Infrafrontier/IMPC), International Campus ‘A. Buzzati-Traverso’, Rome, Italy
| | - Fabrizio Bonaventura
- National Research Council, Institute of Biochemistry and Cell Biology (CNR-IBBC/EMMA/Infrafrontier/IMPC), International Campus ‘A. Buzzati-Traverso’, Rome, Italy
| | | | - Luca Valbonetti
- Unit of Basic and Applied Biosciences, Department of Biosciences, Agro-Food and Environmental Technologies, University of Teramo, Teramo, Italy
| | - Barbara Barboni
- Unit of Basic and Applied Biosciences, Department of Biosciences, Agro-Food and Environmental Technologies, University of Teramo, Teramo, Italy
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25
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Kwan KYC, Ng KWK, Rao Y, Zhu C, Qi S, Tuan RS, Ker DFE, Wang DM. Effect of Aging on Tendon Biology, Biomechanics and Implications for Treatment Approaches. Int J Mol Sci 2023; 24:15183. [PMID: 37894875 PMCID: PMC10607611 DOI: 10.3390/ijms242015183] [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: 08/01/2023] [Revised: 09/07/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
Tendon aging is associated with an increasing prevalence of tendon injuries and/or chronic tendon diseases, such as tendinopathy, which affects approximately 25% of the adult population. Aged tendons are often characterized by a reduction in the number and functionality of tendon stem/progenitor cells (TSPCs), fragmented or disorganized collagen bundles, and an increased deposition of glycosaminoglycans (GAGs), leading to pain, inflammation, and impaired mobility. Although the exact pathology is unknown, overuse and microtrauma from aging are thought to be major causative factors. Due to the hypovascular and hypocellular nature of the tendon microenvironment, healing of aged tendons and related injuries is difficult using current pain/inflammation and surgical management techniques. Therefore, there is a need for novel therapies, specifically cellular therapy such as cell rejuvenation, due to the decreased regenerative capacity during aging. To augment the therapeutic strategies for treating tendon-aging-associated diseases and injuries, a comprehensive understanding of tendon aging pathology is needed. This review summarizes age-related tendon changes, including cell behaviors, extracellular matrix (ECM) composition, biomechanical properties and healing capacity. Additionally, the impact of conventional treatments (diet, exercise, and surgery) is discussed, and recent advanced strategies (cell rejuvenation) are highlighted to address aged tendon healing. This review underscores the molecular and cellular linkages between aged tendon biomechanical properties and the healing response, and provides an overview of current and novel strategies for treating aged tendons. Understanding the underlying rationale for future basic and translational studies of tendon aging is crucial to the development of advanced therapeutics for tendon regeneration.
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Affiliation(s)
- Ka Yu Carissa Kwan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ka Wai Kerry Ng
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Ying Rao
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Chenxian Zhu
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Shengcai Qi
- Department of Prosthodontics, Shanghai Stomatological Hospital, Fudan University, Shanghai 200040, China;
| | - Rocky S. Tuan
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Dai Fei Elmer Ker
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
| | - Dan Michelle Wang
- School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (K.Y.C.K.); (K.W.K.N.); (Y.R.); (C.Z.); (R.S.T.); (D.F.E.K.)
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China
- Ministry of Education Key Laboratory for Regenerative Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
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26
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Pechanec MY, Mienaltowski MJ. Decoding the transcriptomic expression and genomic methylation patterns in the tendon proper and its peritenon region in the aging horse. BMC Res Notes 2023; 16:267. [PMID: 37821884 PMCID: PMC10566085 DOI: 10.1186/s13104-023-06562-1] [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: 02/23/2023] [Accepted: 10/10/2023] [Indexed: 10/13/2023] Open
Abstract
OBJECTIVES Equine tendinopathies are challenging because of the poor healing capacity of tendons commonly resulting in high re-injury rates. Within the tendon, different regions - tendon proper (TP) and peritenon (PERI) - contribute to the tendon matrix in differing capacities during injury and aging. Aged tendons have decreased repair potential; the underlying transcriptional and epigenetic changes that occur in the TP and PERI regions are not well understood. The objective of this study was to assess TP and PERI regional differences in adolescent, midlife, and geriatric horses using RNA sequencing and DNA methylation techniques. RESULTS Differences existed between TP and PERI regions of equine superficial digital flexor tendons by age as evidenced by RNASeq and DNA methylation. Cluster analysis indicated that regional distinctions existed regardless of age. Genes such as DCN, COMP, FN1, and LOX maintained elevated TP expression while genes such as GSN and AHNAK were abundant in PERI. Increased gene activity was present in adolescent and geriatric populations but decreased during midlife. Regional differences in DNA methylation were also noted. Notably, when evaluating all ages of TP against PERI, five genes (HAND2, CHD9, RASL11B, ADGRD1, and COL14A1) had regions of differential methylation as well as differential gene expression.
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Affiliation(s)
- Monica Y Pechanec
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA
| | - Michael J Mienaltowski
- Department of Animal Science, University of California Davis, 2251 Meyer Hall, One Shields Ave, Davis, CA, 95616, USA.
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27
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Lake SP, Snedeker JG, Wang VM, Awad H, Screen HRC, Thomopoulos S. Guidelines for ex vivo mechanical testing of tendon. J Orthop Res 2023; 41:2105-2113. [PMID: 37312619 PMCID: PMC10528429 DOI: 10.1002/jor.25647] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 05/27/2023] [Accepted: 05/30/2023] [Indexed: 06/15/2023]
Abstract
Tendons are critical for the biomechanical function of joints. Tendons connect muscles to bones and allow for the transmission of muscle forces to facilitate joint motion. Therefore, characterizing the tensile mechanical properties of tendons is important for the assessment of functional tendon health and efficacy of treatments for acute and chronic injuries. In this guidelines paper, we review methodological considerations, testing protocols, and key outcome measures for mechanical testing of tendons. The goal of the paper is to present a simple set of guidelines to the nonexpert seeking to perform tendon mechanical tests. The suggested approaches provide rigorous and consistent methodologies for standardized biomechanical characterization of tendon and reporting requirements across laboratories.
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Affiliation(s)
- Spencer P. Lake
- Department of Mechanical Engineering & Materials Science, Washington University in St. Louis, St. Louis, Missouri, USA
| | | | - Vincent M. Wang
- Department of Biomedical Engineering and Mechanics, Virginia Tech, Blacksburg, Virginia, USA
| | - Hani Awad
- Department of Orthopaedics, Department of Biomedical Engineering, University of Rochester, Rochester, New York, USA
| | - Hazel R. C. Screen
- School of Engineering & Materials Science, Queen Mary University of London, London, UK
| | - Stavros Thomopoulos
- Department of Orthopaedic Surgery, Department of Biomedical Engineering, Columbia University, New York, New York, USA
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28
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Tinguely Y, Shi V, Klatte-Schulz F, Duda GN, Freedman BR, Mooney DJ. Aging and injury affect nuclear shape heterogeneity in tendon. J Orthop Res 2023; 41:2186-2194. [PMID: 37316467 PMCID: PMC10527098 DOI: 10.1002/jor.25649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 06/11/2023] [Accepted: 06/11/2023] [Indexed: 06/16/2023]
Abstract
Tissue level properties are commonly studied using histological stains assessed with qualitative scoring methods. As qualitative evaluation is typically insensitive, quantitative analysis provides additional information about pathological mechanisms, but cannot capture structural heterogeneity across cell subpopulations. However, molecular analyses of cell and nuclear behavior have identified that cell and more recently also nuclear shape are highly associated with cell function and malfunction. This study combined a Visually Aided Morpho-Phenotyping Image Recognition analysis that automatically segments cells based on their shape with an added capacity to further discriminate between cells in certain protein-rich extracellular matrix regions. We used tendon as a model system given the enormous changes in organization and cell and nuclear shape they undergo during aging and injury. Our results uncover that multiple shape modes of nuclei exist during maturity and aging in rat tendon and that distinct subgroups of cell nuclei shapes exist in proteoglycan-rich regions during aging. With injury, several immunomarkers (αSMA, CD31, CD146) were associated with more rounded shape modes. In human tendons, the cell nuclei at sites of injury were found to be more rounded relative to uninjured tissues. To conclude, the tendon tissue changes occurring during aging and injury could be associated with a variation in cell nuclear morphology and the appearance of various region-specific subpopulations. Thus, the methodologies developed allow for a deeper understanding of cell heterogeneity during tendon aging and injury and may be extended to study further clinical applications.
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Affiliation(s)
- Yann Tinguely
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts, USA
| | - Vivian Shi
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts, USA
| | - Franka Klatte-Schulz
- Julius Wolff Institute, Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany
- Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Georg N Duda
- Julius Wolff Institute, Berlin Institute of Health at Charité-Universitätsmedizin Berlin, Berlin, Germany
- Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Benjamin R Freedman
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts, USA
- Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - David J Mooney
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts, USA
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, Massachusetts, USA
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29
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Diaz F, Forsyth N, Boccaccini AR. Aligned Ice Templated Biomaterial Strategies for the Musculoskeletal System. Adv Healthc Mater 2023; 12:e2203205. [PMID: 37058583 DOI: 10.1002/adhm.202203205] [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: 12/09/2022] [Revised: 03/21/2023] [Indexed: 04/16/2023]
Abstract
Aligned pore structures present many advantages when conceiving biomaterial strategies for treatment of musculoskeletal disorders. Aligned ice templating (AIT) is one of the many different techniques capable of producing anisotropic porous scaffolds; its high versatility allows for the formation of structures with tunable pore sizes, as well as the use of many different materials. AIT has been found to yield improved compressive properties for bone tissue engineering (BTE), as well as higher tensile strength and optimized cellular alignment and proliferation in tendon and muscle repair applications. This review evaluates the work that has been done in the last decade toward the production of aligned pore structures by AIT with an outlook on the musculoskeletal system. This work describes the fundamentals of the AIT technique and focuses on the research carried out to optimize the biomechanical properties of scaffolds by modifying the pore structure, categorizing by material type and application. Related topics including growth factor incorporation into AIT scaffolds, drug delivery applications, and studies about immune system response will be discussed.
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Affiliation(s)
- Florencia Diaz
- Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058, Erlangen, Germany
| | - Nicholas Forsyth
- The Guy Hilton Research Laboratories, School of Pharmacy and Bioengineering, Faculty of Medicine and Health Sciences, Keele University, Stoke on Trent, ST4 7QB, UK
| | - Aldo R Boccaccini
- Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058, Erlangen, Germany
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Pringels L, Cook JL, Witvrouw E, Burssens A, Vanden Bossche L, Wezenbeek E. Exploring the role of intratendinous pressure in the pathogenesis of tendon pathology: a narrative review and conceptual framework. Br J Sports Med 2023; 57:1042-1048. [PMID: 36323498 PMCID: PMC10423488 DOI: 10.1136/bjsports-2022-106066] [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] [Accepted: 10/13/2022] [Indexed: 02/07/2023]
Abstract
Despite the high prevalence of tendon pathology in athletes, the underlying pathogenesis is still poorly understood. Various aetiological theories have been presented and rejected in the past, but the tendon cell response model still holds true. This model describes how the tendon cell is the key regulator of the extracellular matrix and how pathology is induced by a failed adaptation to a disturbance of tissue homeostasis. Such failure has been attributed to various kinds of stressors (eg, mechanical, thermal and ischaemic), but crucial elements seem to be missing to fully understand the pathogenesis. Importantly, a disturbance of tissue pressure homeostasis has not yet been considered a possible factor, despite it being associated with numerous pathologies. Therefore, we conducted an extensive narrative literature review on the possible role of intratendinous pressure in the pathogenesis of tendon pathology. This review explores the current understanding of pressure dynamics and the role of tissue pressure in the pathogenesis of other disorders with structural similarities to tendons. By bridging these insights with known structural changes that occur in tendon pathology, a conceptual model was constituted. This model provides an overview of the possible mechanism of how an increase in intratendinous pressure might be involved in the development and progression of tendon pathology and contribute to tendon pain. In addition, some therapies that could reduce intratendinous pressure and accelerate tendon healing are proposed. Further experimental research is encouraged to investigate our hypotheses and to initiate debate on the relevance of intratendinous pressure in tendon pathology.
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Affiliation(s)
- Lauren Pringels
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, Ghent, Belgium
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - Jill L Cook
- La Trobe Sport and Exercise Medicine Research Centre, La Trobe University, Melbourne, Victoria, Australia
| | - Erik Witvrouw
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - Arne Burssens
- Department of Orthopaedic Surgery, Ghent University Hospital, Ghent, Belgium
| | - Luc Vanden Bossche
- Department of Physical and Rehabilitation Medicine, Ghent University Hospital, Ghent, Belgium
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
| | - Evi Wezenbeek
- Department of Rehabilitation Sciences and Physiotherapy, Ghent University, Ghent, Belgium
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Vorrius B, Qiao Z, Ge J, Chen Q. Smart Strategies to Overcome Drug Delivery Challenges in the Musculoskeletal System. Pharmaceuticals (Basel) 2023; 16:967. [PMID: 37513879 PMCID: PMC10383421 DOI: 10.3390/ph16070967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/21/2023] [Accepted: 06/24/2023] [Indexed: 07/30/2023] Open
Abstract
The musculoskeletal system (MSKS) is composed of specialized connective tissues including bone, muscle, cartilage, tendon, ligament, and their subtypes. The primary function of the MSKS is to provide protection, structure, mobility, and mechanical properties to the body. In the process of fulfilling these functions, the MSKS is subject to wear and tear during aging and after injury and requires subsequent repair. MSKS diseases are a growing burden due to the increasing population age. The World Health Organization estimates that 1.71 billon people suffer from MSKS diseases worldwide. MSKS diseases usually involve various dysfunctions in bones, muscles, and joints, which often result in pain, disability, and a decrease in quality of life. The most common MSKS diseases are osteoporosis (loss of bone), osteoarthritis (loss of cartilage), and sarcopenia (loss of skeletal muscle). Because of the disease burden and the need for treatment, regenerative drug therapies for MSKS disorders are increasingly in demand. However, the difficulty of effective drug delivery in the MSKS has become a bottleneck for developing MSKS therapeutics. The abundance of extracellular matrix and its small pore size in the MSKS present a formidable barrier to drug delivery. Differences of vascularity among various MSKS tissues pose complications for drug delivery. Novel strategies are necessary to achieve successful drug delivery in different tissues composing the MSKS. Those considerations include the route of administration, mechanics of surrounding fluids, and biomolecular interactions, such as the size and charge of the particles and targeting motifs. This review focuses on recent advances in challenges to deliver drugs to each tissue of the MSKS, current strategies of drug delivery, and future ideas of how to overcome drug delivery challenges in the MSKS.
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Affiliation(s)
| | | | | | - Qian Chen
- Laboratory of Molecular Biology and Nanomedicine, Department of Orthopaedics, Alpert Medical School of Brown University/Rhode Island Hospital, Providence, RI 02903, USA; (B.V.); (Z.Q.); (J.G.)
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Abdulmalik S, Gallo J, Nip J, Katebifar S, Arul M, Lebaschi A, Munch LN, Bartly JM, Choudhary S, Kalajzic I, Banasavadi-Siddegowdae YK, Nukavarapu SP, Kumbar SG. Nanofiber matrix formulations for the delivery of Exendin-4 for tendon regeneration: In vitro and in vivo assessment. Bioact Mater 2023; 25:42-60. [PMID: 36733930 PMCID: PMC9876843 DOI: 10.1016/j.bioactmat.2023.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/16/2023] [Accepted: 01/16/2023] [Indexed: 01/22/2023] Open
Abstract
Tendon and ligament injuries are the most common musculoskeletal injuries, which not only impact the quality of life but result in a massive economic burden. Surgical interventions for tendon/ligament injuries utilize biological and/or engineered grafts to reconstruct damaged tissue, but these have limitations. Engineered matrices confer superior physicochemical properties over biological grafts but lack desirable bioactivity to promote tissue healing. While incorporating drugs can enhance bioactivity, large matrix surface areas and hydrophobicity can lead to uncontrolled burst release and/or incomplete release due to binding. To overcome these limitations, we evaluated the delivery of a peptide growth factor (exendin-4; Ex-4) using an enhanced nanofiber matrix in a tendon injury model. To overcome drug surface binding due to matrix hydrophobicity of poly(caprolactone) (PCL)-which would be expected to enhance cell-material interactions-we blended PCL and cellulose acetate (CA) and electrospun nanofiber matrices with fiber diameters ranging from 600 to 1000 nm. To avoid burst release and protect the drug, we encapsulated Ex-4 in the open lumen of halloysite nanotubes (HNTs), sealed the HNT tube endings with a polymer blend, and mixed Ex-4-loaded HNTs into the polymer mixture before electrospinning. This reduced burst release from ∼75% to ∼40%, but did not alter matrix morphology, fiber diameter, or tensile properties. We evaluated the bioactivity of the Ex-4 nanofiber formulation by culturing human mesenchymal stem cells (hMSCs) on matrix surfaces for 21 days and measuring tenogenic differentiation, compared with nanofiber matrices in basal media alone. Strikingly, we observed that Ex-4 nanofiber matrices accelerated the hMSC proliferation rate and elevated levels of sulfated glycosaminoglycan, tendon-related genes (Scx, Mkx, and Tnmd), and ECM-related genes (Col-I, Col-III, and Dcn), compared to control. We then assessed the safety and efficacy of Ex-4 nanofiber matrices in a full-thickness rat Achilles tendon defect with histology, marker expression, functional walking track analysis, and mechanical testing. Our analysis confirmed that Ex-4 nanofiber matrices enhanced tendon healing and reduced fibrocartilage formation versus nanofiber matrices alone. These findings implicate Ex-4 as a potentially valuable tool for tendon tissue engineering.
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Affiliation(s)
- Sama Abdulmalik
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
| | - Jack Gallo
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
- Department of Physiology and Neurobiology, University of Connecticut, Storrs, CT, USA
| | - Jonathan Nip
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
| | - Sara Katebifar
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
| | - Michael Arul
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
| | - Amir Lebaschi
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
| | - Lucas N. Munch
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
| | - Jenna M. Bartly
- Department of Immunology, Center on Aging, University of Connecticut Health, Farmington, CT, USA
| | - Shilpa Choudhary
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
| | - Ivo Kalajzic
- Department of Reconstructive Sciences, University of Connecticut Health, Farmington, CT, USA
| | | | - Syam P. Nukavarapu
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT, USA
| | - Sangamesh G. Kumbar
- Department of Orthopedic Surgery, University of Connecticut Health, Farmington, CT, USA
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA
- Department of Materials Science and Engineering, University of Connecticut, Storrs, CT, USA
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33
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Williamson PM, Yeritsyan D, Peacock T, Chainani P, Momenzadeh K, Asciutto D, Pathirana P, Avakian C, Stewart I, Kheir N, Abbasian M, DeAngelis JP, Ramappa AJ, Nazarian A. A passive ankle dorsiflexion testing system to assess mechanobiological and structural response to cyclic loading in rat Achilles tendon. J Biomech 2023; 156:111664. [PMID: 37302164 PMCID: PMC10439675 DOI: 10.1016/j.jbiomech.2023.111664] [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: 11/30/2022] [Revised: 04/16/2023] [Accepted: 05/23/2023] [Indexed: 06/13/2023]
Abstract
Tendinopathy is thought to be caused by repeated overload of the tendon with insufficient recovery time, leading to an inadequate healing response and incomplete recovery of preinjury material strength and function. The etiology of tendinopathy induced by mechanical load is being explored with a variety of mechanical load scenarios in small animals. This study establishes a testing system that applies passive ankle dorsiflexion to a rat hindlimb, estimates the force applied to the tendon during cyclic loading and enables the assessment of subsequent structural and biological changes. We demonstrated that the system had no drift in the applied angle, and the registered maximum angle and torque inputs and outputs were consistent between tests. We showed that cyclic loading decreased hysteresis and loading and unloading moduli with increasing cycles applied to the tendon. Histology showed gross changes to tendon structure. This work establishes a system for passively loading the rat Achilles tendon in-vivo in a physiological manner, facilitating future studies that will explore how mechanics, structure, and biology are altered by mechanical repetitive loading.
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Affiliation(s)
- Patrick M Williamson
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Boston University, Mechanical Engineering Department, Boston, MA
| | - Diana Yeritsyan
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Thomas Peacock
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Pooja Chainani
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Boston University, Mechanical Engineering Department, Boston, MA
| | - Kaveh Momenzadeh
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Dominic Asciutto
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Priyan Pathirana
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Christina Avakian
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Isabella Stewart
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Nadim Kheir
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Mohammadreza Abbasian
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Joseph P DeAngelis
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Arun J Ramappa
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Ara Nazarian
- Musculoskeletal Translational Innovation Initiative, Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Department of Orthopaedic Surgery, Yerevan State Medical University. Yerevan, Armenia.
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Götschi T, Held V, Klucker G, Niederöst B, Aagaard P, Spörri J, Passini FS, Snedeker JG. PIEZO1 gain-of-function gene variant is associated with elevated tendon stiffness in humans. J Appl Physiol (1985) 2023; 135:165-173. [PMID: 37227181 PMCID: PMC10625831 DOI: 10.1152/japplphysiol.00573.2022] [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: 09/27/2022] [Revised: 05/19/2023] [Accepted: 05/21/2023] [Indexed: 05/26/2023] Open
Abstract
Prolonged periods of increased physical demands can elicit anabolic tendon adaptations that increase stiffness and mechanical resilience or conversely can lead to pathological processes that deteriorate tendon structural quality with ensuing pain and potential rupture. Although the mechanisms by which tendon mechanical loads regulate tissue adaptation are largely unknown, the ion channel PIEZO1 has been implicated in tendon mechanotransduction, with human carriers of the PIEZO1 gain-of-function variant E756del displaying improved dynamic vertical jump performance compared with noncarriers. Here, we sought to examine whether increased tendon stiffness in humans could explain this increased performance. We assessed tendon morphological and mechanical properties with ultrasound-based techniques in 77 participants of Middle- and West-African descent, and we measured their vertical jumping performance to assess potential functional consequences in the context of high tendon strain-rate loading. Carrying the E756del gene variant (n = 30) was associated with 46.3 ± 68.3% (P = 0.002) and 45.6 ± 69.2% (P < 0.001) higher patellar tendon stiffness and Young's modulus compared with noncarrying controls, respectively. Although these tissue level measures strongly corroborate the initial postulate that PIEZO1 plays an integral part in regulating tendon material properties and stiffness in humans, we found no detectable correlation between tendon stiffness and jumping performance in the tested population that comprised individuals of highly diverse physical fitness level, dexterity, and jumping ability.NEW & NOTEWORTHY The E756del gene variant causes overactivity of the mechanosensitive membrane channel PIEZO1 and is suspected to upregulate tendon collagen cross linking. In human carriers of E756del, we found increased patellar tendon stiffness but similar tendon lengths and cross-sectional areas, directly supporting the premise that PIEZO1 regulates human tendon stiffness at the level of tissue material properties.
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Affiliation(s)
- Tobias Götschi
- Laboratory for Orthopaedic Biomechanics, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
| | - Victoria Held
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
| | - Gianna Klucker
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
| | - Barbara Niederöst
- Laboratory for Orthopaedic Biomechanics, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
| | - Per Aagaard
- Department of Orthopaedics, University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
| | - Jörg Spörri
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Department of Orthopaedics, University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
| | - Fabian S Passini
- Laboratory for Orthopaedic Biomechanics, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
| | - Jess G Snedeker
- Laboratory for Orthopaedic Biomechanics, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
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Nguyen PK, Hart C, Hall K, Holt I, Kuo CK. Establishing in vivo and ex vivo chick embryo models to investigate fetal tendon healing. Sci Rep 2023; 13:9600. [PMID: 37311784 DOI: 10.1038/s41598-023-35408-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/17/2023] [Indexed: 06/15/2023] Open
Abstract
Injured adult tendons heal fibrotically and possess high re-injury rates, whereas fetal tendons appear to heal scarlessly. However, knowledge of fetal tendon wound healing is limited due in part to the need for an accessible animal model. Here, we developed and characterized an in vivo and ex vivo chick embryo tendon model to study fetal tendon healing. In both models, injury sites filled rapidly with cells and extracellular matrix during healing, with wound closure occurring faster in vivo. Tendons injured at an earlier embryonic stage improved mechanical properties to levels similar to non-injured controls, whereas tendons injured at a later embryonic stage did not. Expression levels of tendon phenotype markers, collagens, collagen crosslinking regulators, matrix metalloproteinases, and pro-inflammatory mediators exhibited embryonic stage-dependent trends during healing. Apoptosis occurred during healing, but ex vivo tendons exhibited higher levels of apoptosis than tendons in vivo. Future studies will use these in vivo and ex vivo chick embryo tendon injury models to elucidate mechanisms of stage-specific fetal tendon healing to inform the development of therapeutic approaches to regeneratively heal adult tendons.
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Affiliation(s)
- Phong K Nguyen
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, USA
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA
- Fischell Department of Bioengineering, University of Maryland, 4108 A. James Clark Hall, 8278 Paint Branch Drive, College Park, MD, 20742, USA
| | - Christoph Hart
- Fischell Department of Bioengineering, University of Maryland, 4108 A. James Clark Hall, 8278 Paint Branch Drive, College Park, MD, 20742, USA
| | - Kaitlyn Hall
- Fischell Department of Bioengineering, University of Maryland, 4108 A. James Clark Hall, 8278 Paint Branch Drive, College Park, MD, 20742, USA
| | - Iverson Holt
- Fischell Department of Bioengineering, University of Maryland, 4108 A. James Clark Hall, 8278 Paint Branch Drive, College Park, MD, 20742, USA
| | - Catherine K Kuo
- Department of Biomedical Engineering, University of Rochester, Rochester, NY, USA.
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA.
- Fischell Department of Bioengineering, University of Maryland, 4108 A. James Clark Hall, 8278 Paint Branch Drive, College Park, MD, 20742, USA.
- Department of Orthopaedics, University of Rochester Medical Center, Rochester, NY, USA.
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA.
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Govindaraju DT, Chen CH, Shalumon KT, Kao HH, Chen JP. Bioactive Nanostructured Scaffold-Based Approach for Tendon and Ligament Tissue Engineering. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1847. [PMID: 37368277 DOI: 10.3390/nano13121847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/05/2023] [Accepted: 06/09/2023] [Indexed: 06/28/2023]
Abstract
An effective therapeutic strategy to treat tendon or ligament injury continues to be a clinical challenge due to the limited natural healing capacity of these tissues. Furthermore, the repaired tendons or ligaments usually possess inferior mechanical properties and impaired functions. Tissue engineering can restore the physiological functions of tissues using biomaterials, cells, and suitable biochemical signals. It has produced encouraging clinical outcomes, forming tendon or ligament-like tissues with similar compositional, structural, and functional attributes to the native tissues. This paper starts by reviewing tendon/ligament structure and healing mechanisms, followed by describing the bioactive nanostructured scaffolds used in tendon and ligament tissue engineering, with emphasis on electrospun fibrous scaffolds. The natural and synthetic polymers for scaffold preparation, as well as the biological and physical cues offered by incorporating growth factors in the scaffolds or by dynamic cyclic stretching of the scaffolds, are also covered. It is expected to present a comprehensive clinical, biological, and biomaterial insight into advanced tissue engineering-based therapeutics for tendon and ligament repair.
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Affiliation(s)
- Darshan Tagadur Govindaraju
- Department of Chemical and Materials Engineering, Chang Gung University, Kwei-San, Taoyuan City 33302, Taiwan
| | - Chih-Hao Chen
- Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital at Keelung, Chang Gung University College of Medicine, Anle, Keelung 20401, Taiwan
- Craniofacial Research Center, Chang Gung Memorial Hospital at Linkou, Kwei-San, Taoyuan City 33305, Taiwan
| | - K T Shalumon
- Department of Chemistry, Sacred Heart College, Mahatma Gandhi University, Kochi 682013, India
| | - Hao-Hsi Kao
- Division of Nephrology, Chang Gung Memorial Hospital at Keelung, Chang Gung University College of Medicine, Anle, Keelung 20401, Taiwan
| | - Jyh-Ping Chen
- Department of Chemical and Materials Engineering, Chang Gung University, Kwei-San, Taoyuan City 33302, Taiwan
- Craniofacial Research Center, Chang Gung Memorial Hospital at Linkou, Kwei-San, Taoyuan City 33305, Taiwan
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Kwei-San, Taoyuan City 33305, Taiwan
- Research Center for Food and Cosmetic Safety, College of Human Ecology, Chang Gung University of Science and Technology, Kwei-San, Taoyuan City 33305, Taiwan
- Department of Materials Engineering, Ming Chi University of Technology, Tai-Shan, New Taipei City 24301, Taiwan
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Ren Z, Duan Z, Zhang Z, Fu R, Zhu C, Fan D. Instantaneous self-healing and strongly adhesive self-adaptive hyaluronic acid-based hydrogel for controlled drug release to promote tendon wound healing. Int J Biol Macromol 2023; 242:125001. [PMID: 37224906 DOI: 10.1016/j.ijbiomac.2023.125001] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 05/26/2023]
Abstract
The treatment of tendon injuries is an important healthcare challenge. Irregular wounds, hypocellularity, and prolonged inflammation impede the rate of healing for tendon injuries. To address these problems, a high-tenacity shape-adaptive, mussel-like hydrogel (PH/GMs@bFGF&PDA) was designed and constructed with polyvinyl alcohol (PVA) and hyaluronic acid grafted with phenylboronic acid (BA-HA) by encapsulating polydopamine and gelatin microspheres containing basic fibroblast growth factor (GMs@bFGF). The shape-adaptive PH/GMs@bFGF&PDA hydrogel can quickly adapt to irregular tendon wounds, and the strong adhesion (101.46 ± 10.88 kPa) can keep the hydrogel adhered to the wound at all times. In addition, the high tenacity and self-healing properties allow the hydrogel to move with the tendon without fracture. Additionally, even if fractured, it can quickly self-heal and continue to adhere to the tendon wound, while slowly releasing basic fibroblast growth factor during the inflammatory phase of the tendon repair process, promoting cell proliferation, migration and shortening the inflammatory phase. In acute tendon injury and chronic tendon injury models, PH/GMs@bFGF&PDA significantly alleviated inflammation and promoted collagen I secretion, enhancing wound healing through the synergistic effects of its shape-adaptive and high-adhesion properties.
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Affiliation(s)
- Zhen Ren
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China
| | - Zhiguang Duan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China
| | - Zhuo Zhang
- Plastic and Cosmetic Maxillofacial Surgery, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an 710069, Shaanxi, China
| | - Rongzhan Fu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China
| | - Chenhui Zhu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China.
| | - Daidi Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China.
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38
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Marques Azzini GO, Marques Azzini VO, Santos GS, Visoni S, Fusco MA, Beker NS, Mahmood A, Bizinotto Lana JV, Jeyaraman M, Nallakumarasamy A, Jeyaraman N, da Fonseca LF, Luz Arab MG, Vicente R, Rajendran RL, Gangadaran P, Ahn BC, Duarte Lana JFS. Cannabidiol for musculoskeletal regenerative medicine. Exp Biol Med (Maywood) 2023; 248:445-455. [PMID: 37158062 PMCID: PMC10281618 DOI: 10.1177/15353702231162086] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023] Open
Abstract
Chronic musculoskeletal (MSK) pain is one of the most prevalent causes, which lead patients to a physician's office. The most common disorders affecting MSK structures are osteoarthritis, rheumatoid arthritis, back pain, and myofascial pain syndrome, which are all responsible for major pain and physical disability. Although there are many known management strategies currently in practice, phytotherapeutic compounds have recently begun to rise in the medical community, especially cannabidiol (CBD). This natural, non-intoxicating molecule derived from the cannabis plant has shown interesting results in many preclinical studies and some clinical settings. CBD plays vital roles in human health that go well beyond the classic immunomodulatory, anti-inflammatory, and antinociceptive properties. Recent studies demonstrated that CBD also improves cell proliferation and migration, especially in mesenchymal stem cells (MSCs). The foremost objective of this review article is to discuss the therapeutic potential of CBD in the context of MSK regenerative medicine. Numerous studies listed in the literature indicate that CBD possesses a significant capacity to modulate mammalian tissue to attenuate and reverse the notorious hallmarks of chronic musculoskeletal disorders (MSDs). The most of the research included in this review report common findings like immunomodulation and stimulation of cell activity associated with tissue regeneration, especially in human MSCs. CBD is considered safe and well tolerated as no serious adverse effects were reported. CBD promotes many positive effects which can manage detrimental alterations brought on by chronic MSDs. Since the application of CBD for MSK health is still undergoing expansion, additional randomized clinical trials are warranted to further clarify its efficacy and to understand its cellular mechanisms.
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Affiliation(s)
| | | | - Gabriel Silva Santos
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
| | - Silvia Visoni
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
| | | | | | - Ansar Mahmood
- University Hospitals Birmingham,
Birmingham B15 2PR, UK
| | - João Vitor Bizinotto Lana
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
- Medical Specialties School Centre,
Centro Universitário Max Planck, Indaiatuba, 13343-060, Brazil
| | - Madhan Jeyaraman
- Department of Orthopaedics, A.C.S.
Medical College and Hospital, Dr.M.G.R. Educational and Research Institute, Chennai
600056, India
- Department of Biotechnology, School of
Engineering and Technology, Sharda University, Greater Noida 201310, India
- South Texas Orthopaedic Research
Institute (STORI Inc.), Laredo, TX 78045, USA
- Indian Stem Cell Study Group (ISCSG)
Association, Lucknow 226010, India
| | - Arulkumar Nallakumarasamy
- Indian Stem Cell Study Group (ISCSG)
Association, Lucknow 226010, India
- Department of Orthopaedics, All India
Institute of Medical Sciences, Bhubaneswar 751019, India
| | - Naveen Jeyaraman
- Indian Stem Cell Study Group (ISCSG)
Association, Lucknow 226010, India
- Department of Orthopaedics, Atlas
Hospitals, Tiruchirappalli 620002, India
| | - Lucas Furtado da Fonseca
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
- Universidade Federal de São Paulo
(UNIFESP), São Paulo, 04021-001, Brazil
| | - Miguel Gustavo Luz Arab
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
- Saúde Máxima (SAMAX), São Paulo,
01239-040, Brazil
| | - Rodrigo Vicente
- Brazilian Institute of Regenerative
Medicine (BIRM), Indaiatuba 13334-170, Brazil
- Ultra Sports Science, São Paulo,
Brazil
| | - Ramya Lakshmi Rajendran
- Department of Nuclear Medicine,
School of Medicine, Kyungpook National University Hospital, Kyungpook National
University, Daegu 41944, Republic of Korea
| | - Prakash Gangadaran
- Department of Nuclear Medicine,
School of Medicine, Kyungpook National University Hospital, Kyungpook National
University, Daegu 41944, Republic of Korea
- BK21 FOUR KNU Convergence Educational
Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical
Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of
Korea
| | - Byeong-Cheol Ahn
- Department of Nuclear Medicine,
School of Medicine, Kyungpook National University Hospital, Kyungpook National
University, Daegu 41944, Republic of Korea
- BK21 FOUR KNU Convergence Educational
Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical
Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of
Korea
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Hanlon SL, Scattone Silva R, Honick BJ, Silbernagel KG. Effect of Symptom Duration on Injury Severity and Recovery in Patients With Achilles Tendinopathy. Orthop J Sports Med 2023; 11:23259671231164956. [PMID: 37250747 PMCID: PMC10214069 DOI: 10.1177/23259671231164956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 01/27/2023] [Indexed: 05/31/2023] Open
Abstract
Background Achilles tendinopathy is a common overuse condition. Distinguishing between early- and late-stage tendinopathy may have implications on treatment decisions and recovery expectations. Purpose To compare the effects of time and baseline measures of tendon health on outcomes among patients with varying symptom durations after 16 weeks of comprehensive exercise treatment. Study Design Cohort study; Level of evidence, 3. Methods Participants (N = 127) were categorized into 4 groups based on the number of months since symptom onset: ≤3 months (n = 24); between >3 and ≤6 months (n = 25); between >6 and ≤12 months (n = 18); or >12 months (n = 60). All participants received 16 weeks of standardized exercise therapy and pain-guided activity modification. Outcomes representing symptoms, lower extremity function, tendon structure, mechanical properties, psychological factors, and patient-related factors were assessed at baseline and at 8 and 16 weeks after the initiation of exercise therapy. Chi-square tests and 1-way analysis of variance were used to compare baseline measures between groups.Time, group, and interaction effects were evaluated using linear mixed models. Results The mean age of the participants was 47.8 ± 12.6 years, 62 participants were women, and symptoms ranged from 2 weeks to 274 months. No significant differences were found among symptom duration groups at baseline for any measure of tendon health. At 16 weeks, all groups demonstrated improvements in symptoms, psychological factors, lower extremity function, and tendon structure, with no significant differences among the groups (P > .05). Conclusion Symptom duration did not influence baseline measures of tendon health. Additionally, no differences were observed among the different symptom duration groups in response to 16 weeks of exercise therapy and pain-guided activity modification.
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Affiliation(s)
- Shawn L. Hanlon
- Department of Physical Therapy,
University of Delaware, Newark, Delaware, USA
| | - Rodrigo Scattone Silva
- Department of Physical Therapy,
University of Delaware, Newark, Delaware, USA
- Brazilian Tendinopathy and Sports
Injuries Research Group, Postgraduate Program in Rehabilitation Sciences, Federal
University of Rio Grande do Norte, Santa Cruz, Brazil
| | - Brian J. Honick
- Department of Physical Therapy,
University of Delaware, Newark, Delaware, USA
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40
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Reuter S. [Physiotherapeutic therapy modalities for lateral epicondyopathy]. ORTHOPADIE (HEIDELBERG, GERMANY) 2023; 52:359-364. [PMID: 37069354 DOI: 10.1007/s00132-023-04369-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/09/2023] [Indexed: 04/19/2023]
Abstract
Physiotherapy interventions can have a positive effect on the symptoms and relief of symptoms of lateral epicondylopathy (LE). However, there is currently no standard physiotherapy protocol for treating LE. Today, a multimodal treatment approach that focuses on progressive exercise therapy is recommended. While in the past, most treatment protocols were based on eccentric training, recent research shows that other forms of training can also improve pain and function in tendinopathies.
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Affiliation(s)
- Sven Reuter
- Campus Stuttgart, SRH Hochschule für Gesundheit, Nißlestr. 22, 70190, Stuttgart, Deutschland.
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41
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Costa FR, Costa Marques MR, Costa VC, Santos GS, Martins RA, Santos MDS, Santana MHA, Nallakumarasamy A, Jeyaraman M, Lana JVB, Lana JFSD. Intra-Articular Hyaluronic Acid in Osteoarthritis and Tendinopathies: Molecular and Clinical Approaches. Biomedicines 2023; 11:biomedicines11041061. [PMID: 37189679 DOI: 10.3390/biomedicines11041061] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 03/10/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023] Open
Abstract
Musculoskeletal diseases continue to rise on a global scale, causing significant socioeconomic impact and decreased quality of life. The most common disorders affecting musculoskeletal structures are osteoarthritis and tendinopathies, complicated orthopedic conditions responsible for major pain and debilitation. Intra-articular hyaluronic acid (HA) has been a safe, effective, and minimally invasive therapeutic tool for treating these diseases. Several studies from bedside to clinical practice reveal the multiple benefits of HA such as lubrication, anti-inflammation, and stimulation of cellular activity associated with proliferation, differentiation, migration, and secretion of additional molecules. Collectively, these effects have demonstrated positive outcomes that assist in the regeneration of chondral and tendinous tissues which are otherwise destroyed by the predominant catabolic and inflammatory conditions seen in tissue injury. The literature describes the physicochemical, mechanical, and biological properties of HA, their commercial product types, and clinical applications individually, while their interfaces are seldom reported. Our review addresses the frontiers of basic sciences, products, and clinical approaches. It provides physicians with a better understanding of the boundaries between the processes that lead to diseases, the molecular mechanisms that contribute to tissue repair, and the benefits of the HA types for a conscientious choice. In addition, it points out the current needs for the treatments.
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42
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Monteiro RF, Bakht SM, Gomez-Florit M, Stievani FC, Alves ALG, Reis RL, Gomes ME, Domingues RMA. Writing 3D In Vitro Models of Human Tendon within a Biomimetic Fibrillar Support Platform. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 36952613 DOI: 10.1021/acsami.2c22371] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Tendinopathies are poorly understood diseases for which treatment remains challenging. Relevant in vitro models to study human tendon physiology and pathophysiology are therefore highly needed. Here we propose the automated 3D writing of tendon microphysiological systems (MPSs) embedded in a biomimetic fibrillar support platform based on cellulose nanocrystals (CNCs) self-assembly. Tendon decellularized extracellular matrix (dECM) was used to formulate bioinks that closely recapitulate the biochemical signature of tendon niche. A monoculture system recreating the cellular patterns and phenotype of the tendon core was first developed and characterized. This system was then incorporated with a vascular compartment to study the crosstalk between the two cell populations. The combined biophysical and biochemical cues of the printed pattern and dECM hydrogel were revealed to be effective in inducing human-adipose-derived stem cells (hASCs) differentiation toward the tenogenic lineage. In the multicellular system, chemotactic effects promoted endothelial cells migration toward the direction of the tendon core compartment, while the established cellular crosstalk boosted hASCs tenogenesis, emulating the tendon development stages. Overall, the proposed concept is a promising strategy for the automated fabrication of humanized organotypic tendon-on-chip models that will be a valuable new tool for the study of tendon physiology and pathogenesis mechanisms and for testing new tendinopathy treatments.
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Affiliation(s)
- Rosa F Monteiro
- 3B's Research Group, I3Bs─Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3B's─PT Government Associate Laboratory, 4800 Braga/Guimarães, Portugal
| | - Syeda M Bakht
- 3B's Research Group, I3Bs─Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3B's─PT Government Associate Laboratory, 4800 Braga/Guimarães, Portugal
| | - Manuel Gomez-Florit
- 3B's Research Group, I3Bs─Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3B's─PT Government Associate Laboratory, 4800 Braga/Guimarães, Portugal
| | - Fernanda C Stievani
- Department of Veterinary Surgery and Animal Reproduction, Regenerative Medicine Laboratory, School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), 18607-400 Botucatu, Brazil
| | - Ana L G Alves
- Department of Veterinary Surgery and Animal Reproduction, Regenerative Medicine Laboratory, School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), 18607-400 Botucatu, Brazil
| | - Rui L Reis
- 3B's Research Group, I3Bs─Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3B's─PT Government Associate Laboratory, 4800 Braga/Guimarães, Portugal
| | - Manuela E Gomes
- 3B's Research Group, I3Bs─Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3B's─PT Government Associate Laboratory, 4800 Braga/Guimarães, Portugal
| | - Rui M A Domingues
- 3B's Research Group, I3Bs─Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal
- ICVS/3B's─PT Government Associate Laboratory, 4800 Braga/Guimarães, Portugal
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43
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Zhang Y, Xue Y, Ren Y, Li X, Liu Y. Biodegradable Polymer Electrospinning for Tendon Repairment. Polymers (Basel) 2023; 15:polym15061566. [PMID: 36987348 PMCID: PMC10054061 DOI: 10.3390/polym15061566] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/17/2023] [Accepted: 03/19/2023] [Indexed: 03/30/2023] Open
Abstract
With the degradation after aging and the destruction of high-intensity exercise, the frequency of tendon injury is also increasing, which will lead to serious pain and disability. Due to the structural specificity of the tendon tissue, the traditional treatment of tendon injury repair has certain limitations. Biodegradable polymer electrospinning technology with good biocompatibility and degradability can effectively repair tendons, and its mechanical properties can be achieved by adjusting the fiber diameter and fiber spacing. Here, this review first briefly introduces the structure and function of the tendon and the repair process after injury. Then, different kinds of biodegradable natural polymers for tendon repair are summarized. Then, the advantages and disadvantages of three-dimensional (3D) electrospun products in tendon repair and regeneration are summarized, as well as the optimization of electrospun fiber scaffolds with different bioactive materials and the latest application in tendon regeneration engineering. Bioactive molecules can optimize the structure of these products and improve their repair performance. Importantly, we discuss the application of the 3D electrospinning scaffold's superior structure in different stages of tendon repair. Meanwhile, the combination of other advanced technologies has greater potential in tendon repair. Finally, the relevant patents of biodegradable electrospun scaffolds for repairing damaged tendons, as well as their clinical applications, problems in current development, and future directions are summarized. In general, the use of biodegradable electrospun fibers for tendon repair is a promising and exciting research field, but further research is needed to fully understand its potential and optimize its application in tissue engineering.
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Affiliation(s)
- Yiming Zhang
- Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450003, China
- GBA National Institute for Nanotechnology Innovation, Guangzhou 510700, China
| | - Yueguang Xue
- School of Biomedical Sciences and Engineering, South China University of Technology, Guangzhou International Campus, Guangzhou 511442, China
| | - Yan Ren
- Zhejiang International Science and Technology Cooperation Base of Air Pollution and Health, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Xin Li
- Zhejiang International Science and Technology Cooperation Base of Air Pollution and Health, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Ying Liu
- GBA National Institute for Nanotechnology Innovation, Guangzhou 510700, China
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Dexamethasone Is Not Sufficient to Facilitate Tenogenic Differentiation of Dermal Fibroblasts in a 3D Organoid Model. Biomedicines 2023; 11:biomedicines11030772. [PMID: 36979751 PMCID: PMC10044928 DOI: 10.3390/biomedicines11030772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/11/2023] [Accepted: 02/22/2023] [Indexed: 03/08/2023] Open
Abstract
Self-assembling three-dimensional organoids that do not rely on an exogenous scaffold but maintain their native cell-to-cell and cell-to-matrix interactions represent a promising model in the field of tendon tissue engineering. We have identified dermal fibroblasts (DFs) as a potential cell type for generating functional tendon-like tissue. The glucocorticoid dexamethasone (DEX) has been shown to regulate cell proliferation and facilitate differentiation towards other mesenchymal lineages. Therefore, we hypothesized that the administration of DEX could reduce excessive DF proliferation and thus, facilitate the tenogenic differentiation of DFs using a previously established 3D organoid model combined with dose-dependent application of DEX. Interestingly, the results demonstrated that DEX, in all tested concentrations, was not sufficient to notably induce the tenogenic differentiation of human DFs and DEX-treated organoids did not have clear advantages over untreated control organoids. Moreover, high concentrations of DEX exerted a negative impact on the organoid phenotype. Nevertheless, the expression profile of tendon-related genes of untreated and 10 nM DEX-treated DF organoids was largely comparable to organoids formed by tendon-derived cells, which is encouraging for further investigations on utilizing DFs for tendon tissue engineering.
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45
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Assessing the biocompatibility of bovine tendon scaffold, a step forward in tendon tissue engineering. Cell Tissue Bank 2023; 24:11-24. [PMID: 35596907 DOI: 10.1007/s10561-022-10012-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 04/25/2022] [Indexed: 11/02/2022]
Abstract
Tendon is a collagen-enriched, tough, and intricately arranged connective tissue that connects muscle to the bone and transmits forces, resulting in joint movement. High mechanical demands can affect normal tissues and may lead to severe disorders, which usually require replacement of the damaged tendon. In recent decades, various decellularization methods have been studied for tissue engineering applications. One of the major challenges in tendon decellularization is preservation of the tendon extracellular matrix (ECM) architecture to maintain natural tissue characteristics. The aim of the present study was to create a decellularized bovine Achilles tendon scaffold to investigate its cytocompatibility with seeded hAd-MSCs (human adipose derived-mesenchymal stem cells) and blastema tissue in vitro. Here, we describe a reliable procedure to decellularize bovine Achilles tendon using a combination of physical and chemical treatments including repetitive freeze-thaw cycles and the ionic detergent SDS, respectively. The decellularization effectiveness and cytocompatibility of the tendon scaffolds were verified by histological studies and scanning electron microscopy for up to 30 days after culture. Histological studies revealed hAd-MSC attachment and penetration into the scaffolds at 5, 10, 15 and 20 days of culture. However, a decrease in cell number was observed on days 25 and 30 after culture in vitro. Moreover, migration of the blastema tissue cells into the scaffold were shown at 10 to 25 days post culture, however, destruction of the scaffolds and reduction in cell number were observed on 30th day after culture. Our results suggest that this decellularization protocol is an effective and biocompatible procedure which supports the maintenance and growth of both hAd-MSCs and blastema cells, and thus might be promising for tendon tissue engineering.
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46
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Mechanisms of skeletal muscle-tendon development and regeneration/healing as potential therapeutic targets. Pharmacol Ther 2023; 243:108357. [PMID: 36764462 DOI: 10.1016/j.pharmthera.2023.108357] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023]
Abstract
Skeletal muscle contraction is essential for the movement of our musculoskeletal system. Tendons and ligaments that connect the skeletal muscles to bones in the correct position at the appropriate time during development are also required for movement to occur. Since the musculoskeletal system is essential for maintaining basic bodily functions as well as enabling interactions with the environment, dysfunctions of these tissues due to disease can significantly reduce quality of life. Unfortunately, as people live longer, skeletal muscle and tendon/ligament diseases are becoming more common. Sarcopenia, a disease in which skeletal muscle function declines, and tendinopathy, which involves chronic tendon dysfunction, are particularly troublesome because there have been no significant advances in their treatment. In this review, we will summarize previous reports on the development and regeneration/healing of skeletal muscle and tendon tissues, including a discussion of the molecular and cellular mechanisms involved that may be used as potential therapeutic targets.
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47
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Li K, Zhang X, Wang D, Tuan RS, Ker DFE. Synergistic effects of growth factor-based serum-free medium and tendon-like substrate topography on tenogenesis of mesenchymal stem cells. BIOMATERIALS ADVANCES 2023; 146:213316. [PMID: 36736265 DOI: 10.1016/j.bioadv.2023.213316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/19/2023] [Accepted: 01/23/2023] [Indexed: 01/26/2023]
Abstract
Addressing clinical challenges for tendon injuries requires a deeper understanding of the effects that biological and biophysical cues have on tenogenesis. Although prior studies have identified tenogenic growth factors (GFs) or elucidated the effects of substrate topography on tenocyte behavior, few have characterized their combined effect in the presence of a tendon-like substrate. In this study, we assessed the effect of biological (GFs) and biophysical (substrate topography) cues on tenogenic proliferation and differentiation under defined, serum-free conditions. Specifically, human bone marrow-derived mesenchymal stem cells (hMSCs) were cultured in a serum-free culture medium containing a GF cocktail comprised of fibroblast growth factor-2 (FGF-2), transforming growth factor-beta 3 (TGF-β3), and insulin-like growth factor-1 (IGF-1), either alone or in combination with tendon-like substrate topography produced by replica casting of tendon tissue sections. Our data demonstrated that the use of serum-free GF cocktail medium alone promoted hMSC proliferation, as shown via DNA staining as well as Ki67 protein levels and gene expression. In particular, gene expression of Ki67 was increased by 8.46-fold in all three donors relative to serum-free medium control. Also, serum-free GF cocktail promoted tenogenic differentiation, on the basis of expression of tendon-associated gene and protein markers, scleraxis (SCX), tenascin C (TNC), and collagen type I (COL1A1) including increased normalized collagen production by 1.4-fold in two donors relative to serum-free medium control. Interestingly, hMSCs cultured on a tendon-like substrate exhibited highly oriented cell morphology and extracellular matrix (ECM) alignment reminiscent of tendon. In particular, when this GF cocktail was combined with tendon-like topography, they showed a synergistically increased expression of tendon-related markers and anisotropic organization of ECM proteins with moderate-to-large effect sizes. Together, in addition to showing the utility of a GF cocktail for expansion and differentiation of tenocyte-like cells, our findings clearly demonstrate the synergistic relationship between GF-mediated and substrate topography-related effects on hMSC tenogenic differentiation. This information provides insights into the design of strategies that combine biological and biophysical cues for ex vivo tenocyte production and tendon tissue engineering.
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Affiliation(s)
- Ke Li
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong; School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong; Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, Hong Kong
| | - Xu Zhang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong; School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Dan Wang
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong; School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong; Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, Hong Kong; Key Laboratory for Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong; Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Rocky S Tuan
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong; School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong; Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, Hong Kong
| | - Dai Fei Elmer Ker
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong; School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong; Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Shatin, Hong Kong; Key Laboratory for Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, The Chinese University of Hong Kong, Shatin, Hong Kong; Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong.
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48
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Tsuchiya Y, Takakura H, Osawa S, Izawa T. Impact of high-intensity interval training on tendon related gene expression in rat Achilles tendon. Biochem Biophys Res Commun 2023; 658:116-121. [PMID: 37030065 DOI: 10.1016/j.bbrc.2023.03.076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/25/2023] [Accepted: 03/30/2023] [Indexed: 04/03/2023]
Abstract
Immobilization or aging associated with limited physical activity can lead to the functional deterioration of tendons, which has become an important public health concern. Therefore, growing research is focused on the effect of exercise training on preserving tendon function. Exercise training subjects muscles and tendons to repeated mechanical stress, and in vitro studies have revealed that repetitive mechanical loading stimulates tendon cell responses to changes in the extracellular matrix and functional properties of the tendon. However, although several types of exercise training have been shown to be effective in preserving tendon function, no studies have investigated the impact of high-intensity interval training (HIIT), which involves composing short bouts of exercise with high-power output. Here, we determined whether the HIIT program enhanced tenogenic progressions by measuring the mRNA expression in rat Achilles tendons. Sixteen rats were randomly assigned into either a sedentary control group (Con, n = 8) or an HIIT group (n = 8). Rats in the HIIT group performed the program with treadmill running; the training volume was incremental (running speed, number of sets, and inclination), and training was conducted 5 days per week for 9 weeks. The rats in the HIIT group exhibited a marked decrease in the body weight and different types of fat weights, and a marked increase in different types of muscle weights. Real-time reverse transcription polymerase chain reaction analysis revealed that mRNA expressions of tendon-related genes Tnxb, Opn, and Tgfb1 were upregulated in the HIIT group compared to that in the Con group. Cross-links in mRNA expressions of collagen-related Dcn and Fmod in the HIIT group tended to be higher than in those Con group. These results suggest that HIIT induces initiation of tenogenic progression and stimulation of cross-link formation between collagen fibrils in rat Achilles tendons.
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Affiliation(s)
- Yoshifumi Tsuchiya
- Faculty of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyoto, 610-0394, Japan.
| | - Hisashi Takakura
- Faculty of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyoto, 610-0394, Japan
| | - Seita Osawa
- Graduate School of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyoto, 610-0394, Japan
| | - Tetsuya Izawa
- Faculty of Health and Sports Science, Doshisha University, 1-3 Tatara-Miyakodani, Kyoto, 610-0394, Japan
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49
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Zhang H, Dai Y, Long H, Cao R, Shi L, Zhao J, Ma L, Diao N, Yin H, Guo A. Tendon Stem/Progenitor Cell-Laden Nanofiber Hydrogel Enhanced Functional Repair of Patellar Tendon. Tissue Eng Part A 2023; 29:150-160. [PMID: 36424823 DOI: 10.1089/ten.tea.2022.0183] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Functional repair of tendons remains a challenge to be overcome for both clinicians and scientists. We have previously reported a three-dimensional RADA peptide hydrogel that provides a suitable microenvironment for human tendon stem/progenitor cells (TSPCs) survival and tenogenesis. In this study, we explore the potential of in vivo patellar tendon repair by human TSPC-laden RADA hydrogel in rats, which were sacrificed at 4 and 8 weeks after operation. Hind limb function test, macroscopical and histological examination, tendon cell amount and alignment analysis, and radiographic assessments were performed at several time points. Our results demonstrated that human TSPC-laden RADA hydrogel (RADA+TSPC group) boosted in vivo patellar tendon repair with better ambulatory function recovery compared with the control groups, in which tendon defects were untreated (Defect group) or treated with RADA hydrogel alone (RADA group). In addition, better macroscopic appearance and improved matrix organization in the repaired tendon with less cell amount and reduced adipocyte accumulation and blood vessel formation were observed in the RADA+TSPC group. Moreover, tendon defect treated with TSPC-laden RADA hydrogel resulted in diminished heterotopic ossification (HO) at 8 weeks postoperation, which was indicated by both X-ray examination and micro-computed tomography scan. Taken together, the combination of TSPC and nanofiber hydrogel provide an optimistic alternative method to accelerate functional tendon repair with reduced HO. Impact statement Our study clearly demonstrates the combination of tendon stem/progenitor cell and nanofiber hydrogel provide a new and optimistic tissue engineering strategy to treat tendon injury by accelerating functional tendon repair with reduced heterotopic ossification. The clinical translation is also very promising, which can provide a minimally invasive, nonsurgical, or complementary treatment methods to treat human tendon injury.
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Affiliation(s)
- Hongrui Zhang
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Yike Dai
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Huibin Long
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Ruiqi Cao
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Lin Shi
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Jiaming Zhao
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Lifeng Ma
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Naicheng Diao
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Heyong Yin
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Ai Guo
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Beijing, China
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50
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Nescolarde L, Talluri A, Yanguas J, Lukaski H. Phase angle in localized bioimpedance measurements to assess and monitor muscle injury. Rev Endocr Metab Disord 2023; 24:415-428. [PMID: 36847994 PMCID: PMC10140135 DOI: 10.1007/s11154-023-09790-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/27/2023] [Indexed: 02/28/2023]
Abstract
Localized bioimpedance (L-BIA) measurements are an innovative method to non-invasively identify structural derangement of soft tissues, principally muscles, and fluid accumulation in response to traumatic injury. This review provides unique L-BIA data demonstrating significant relative differences between injured and contralateral non-injured regions of interest (ROI) associated with soft tissue injury. One key finding is the specific and sensitive role of reactance (Xc), measured at 50 kHz with a phase-sensitive BI instrument, to identify objective degrees of muscle injury, localized structural damage and fluid accretion, determined using magnetic resonance imaging. The predominant effect of Xc as an indicator of severity of muscle injury is highlighted in phase angle (PhA) measurements. Novel experimental models utilizing cooking-induced cell disruption, saline injection into meat specimens, and measurements of changing amounts of cells in a constant volume provide empirical evidence of the physiological correlates of series Xc as cells in water. Findings of strong associations of capacitance, computed from parallel Xc (XCP), with whole body counting of 40-potassium and resting metabolic rate support the hypothesis that parallel Xc is a biomarker of body cell mass. These observations provide a theoretical and practical basis for a significant role of Xc, and hence PhA, to identify objectively graded muscle injury and to reliably monitor progress of treatment and return of muscle function.
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Affiliation(s)
- Lexa Nescolarde
- Department of Electronic Engineering, Universitat Politècnica de Catalunya, c/ Jordi Girona 1-3, Edifici C4, 08034, Barcelona, Spain.
| | | | - Javier Yanguas
- Futbol Club Barcelona, Ciutat Esportiva Joan Gamper, Av. c/ Onze de Setembre s/n, 08790, Sant Joan Despí, Barcelona, Spain
| | - Henry Lukaski
- Department of Kinesiology and Public Health Education, University of North Dakota, Grand Forks, ND, 58202, USA
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