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Bradley PX, Thomas KN, Kratzer AL, Robinson AC, Wittstein JR, DeFrate LE, McNulty AL. The Interplay of Biomechanical and Biological Changes Following Meniscus Injury. Curr Rheumatol Rep 2023; 25:35-46. [PMID: 36479669 PMCID: PMC10267895 DOI: 10.1007/s11926-022-01093-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/31/2022] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW Meniscus injury often leads to joint degeneration and post-traumatic osteoarthritis (PTOA) development. Therefore, the purpose of this review is to outline the current understanding of biomechanical and biological repercussions following meniscus injury and how these changes impact meniscus repair and PTOA development. Moreover, we identify key gaps in knowledge that must be further investigated to improve meniscus healing and prevent PTOA. RECENT FINDINGS Following meniscus injury, both biomechanical and biological alterations frequently occur in multiple tissues in the joint. Biomechanically, meniscus tears compromise the ability of the meniscus to transfer load in the joint, making the cartilage more vulnerable to increased strain. Biologically, the post-injury environment is often characterized by an increase in pro-inflammatory cytokines, catabolic enzymes, and immune cells. These multi-faceted changes have a significant interplay and result in an environment that opposes tissue repair and contributes to PTOA development. Additionally, degenerative changes associated with OA may cause a feedback cycle, negatively impacting the healing capacity of the meniscus. Strides have been made towards understanding post-injury biological and biomechanical changes in the joint, their interplay, and how they affect healing and PTOA development. However, in order to improve clinical treatments to promote meniscus healing and prevent PTOA development, there is an urgent need to understand the physiologic changes in the joint following injury. In particular, work is needed on the in vivo characterization of the temporal biomechanical and biological changes that occur in patients following meniscus injury and how these changes contribute to PTOA development.
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Affiliation(s)
- Patrick X Bradley
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, USA
| | - Karl N Thomas
- Department of Orthopaedic Surgery, Duke University School of Medicine, DUMC Box 3093, Durham, NC, 27710, USA
| | - Avery L Kratzer
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Allison C Robinson
- Department of Orthopaedic Surgery, Duke University School of Medicine, DUMC Box 3093, Durham, NC, 27710, USA
| | - Jocelyn R Wittstein
- Department of Orthopaedic Surgery, Duke University School of Medicine, DUMC Box 3093, Durham, NC, 27710, USA
| | - Louis E DeFrate
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, USA
- Department of Orthopaedic Surgery, Duke University School of Medicine, DUMC Box 3093, Durham, NC, 27710, USA
- Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Amy L McNulty
- Department of Orthopaedic Surgery, Duke University School of Medicine, DUMC Box 3093, Durham, NC, 27710, USA.
- Department of Biomedical Engineering, Duke University, Durham, NC, USA.
- Department of Pathology, Duke University School of Medicine, Durham, NC, USA.
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Fang Y, Huang H, Zhou G, Wang Q, Gao F, Li C, Liu Y, Lin J. An animal model study on the gene expression profile of meniscal degeneration. Sci Rep 2020; 10:21469. [PMID: 33293598 PMCID: PMC7722855 DOI: 10.1038/s41598-020-78349-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 11/20/2020] [Indexed: 01/16/2023] Open
Abstract
Meniscal degeneration is a very common condition in elderly individuals, but the underlying mechanisms of its occurrence are not completely clear. This study examines the molecular mechanisms of meniscal degeneration. The anterior cruciate ligament (ACL) and lateral collateral ligament (LCL) of the right rear limbs of seven Wuzhishan mini-pigs were resected (meniscal degeneration group), and the left rear legs were sham-operated (control group). After 6 months, samples were taken for gene chip analysis, including differentially expressed gene (DEG) analysis, gene ontology (GO) analysis, clustering analysis, and pathway analysis. The selected 12 DEGs were validated by real time reverse transcription-polymerase chain reaction (RT-PCR). The two groups showed specific and highly clustered DEGs. A total of 893 DEGs were found, in which 537 are upregulated, and 356 are downregulated. The GO analysis showed that the significantly affected biological processes include nitric oxide metabolic process, male sex differentiation, and mesenchymal morphogenesis, the significantly affected cellular components include the endoplasmic reticulum membrane, and the significantly affected molecular functions include transition metal ion binding and iron ion binding. The pathway analysis showed that the significantly affected pathways include type II diabetes mellitus, inflammatory mediator regulation of TRP channels, and AMPK signaling pathway. The results of RT-PCR indicate that the microarray data accurately reflects the gene expression patterns. These findings indicate that several molecular mechanisms are involved in the development of meniscal degeneration, thus improving our understanding of meniscal degeneration and provide molecular therapeutic targets in the future.
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Affiliation(s)
- Yehan Fang
- Medical School of Chinese PLA and Chinese PLA General Hospital, Beijing, China.,Department of Orthopedic Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Hui Huang
- Department of Orthopedic Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Gang Zhou
- Department of Orthopedic Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Qinghua Wang
- Department of Nursing, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China
| | - Feng Gao
- Department of Sports Injury and Arthroscopy Surgery, National Institute of Sports Medicine, Beijing, China
| | - Chunbao Li
- Medical School of Chinese PLA and Chinese PLA General Hospital, Beijing, China
| | - Yujie Liu
- Medical School of Chinese PLA and Chinese PLA General Hospital, Beijing, China.
| | - Jianping Lin
- Department of Orthopedic Surgery, Hainan General Hospital (Hainan Affiliated Hospital of Hainan Medical University), Haikou, Hainan, China.
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Clair AJ, Kingery MT, Anil U, Kenny L, Kirsch T, Strauss EJ. Alterations in Synovial Fluid Biomarker Levels in Knees With Meniscal Injury as Compared With Asymptomatic Contralateral Knees. Am J Sports Med 2019; 47:847-856. [PMID: 30786221 DOI: 10.1177/0363546519825498] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Changes in the joint microenvironment after an injury to the articular surface of the knee have been implicated in the pathogenesis of osteoarthritis. While prior studies focused on changes in this microenvironment after anterior cruciate ligament ruptures, few have explored the biomarker changes that occur in the setting of meniscal injuries. PURPOSE To determine whether meniscal injury results in significant alterations to synovial fluid biomarker concentrations as compared with noninjured contralateral knees. Additionally, to explore the relationship between synovial fluid biomarkers and the degree of cartilage injury seen in these patients. STUDY DESIGN Cross-sectional study; Level of evidence, 3. METHODS Patients undergoing surgery for unilateral meniscal injury were prospectively enrolled from October 2011 to December 2016, forming a cohort that had synovial fluid samples collected from both the injured knee and the contralateral uninjured knee at the time of meniscal surgery. Synovial fluid samples were collected just before incision, and the concentrations of 10 biomarkers of interest were determined with a multiplex magnetic bead immunoassay. The concentrations of synovial fluid biomarkers from the operative and contralateral knees were compared. Additionally, the synovial fluid biomarker concentrations of operative knees from patients with associated high-grade cartilage lesions were compared with those with low-grade lesions. RESULTS The current analysis included synovial fluid samples from 82 knees (41 operative and 41 contralateral) from 41 patients undergoing arthroscopic surgery to treat a symptomatic meniscal injury. The mean ± SD age of patients was 49.86 ± 11.75 years. There were significantly greater concentrations of 4 of the 5 proinflammatory biomarkers (IL-6, MCP-1, MIP-1β, and MMP-3) in symptomatic knees as compared with asymptomatic knees when controlling for the duration of symptoms, body mass index, age, and the random effects of by-patient variability. In the injured knees, associated high-grade cartilage lesions were predictive of elevated MCP-1, MIP-1β, and VEGF levels. Low synovial fluid concentration of TIMP-1 or a greater ratio of MMP-3 to TIMP-1 was associated with the presence of synovitis. Increasing age was found to be an independent predictor of increased IL-6, MCP-1, and VEGF concentrations in the setting of symptomatic meniscal injury. CONCLUSION The authors identified 4 proinflammatory synovial fluid biomarkers whose concentrations were significantly different after meniscal injury as compared with uninjured contralateral knees. Furthermore, they describe the effects of associated cartilage damage, synovitis, and patient age on biomarker concentrations.
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Affiliation(s)
- Andrew J Clair
- Division of Sports Medicine, Department of Orthopaedic Surgery, NYU Langone Health, New York, New York, USA
| | - Matthew T Kingery
- Division of Sports Medicine, Department of Orthopaedic Surgery, NYU Langone Health, New York, New York, USA
| | - Utkarsh Anil
- Division of Sports Medicine, Department of Orthopaedic Surgery, NYU Langone Health, New York, New York, USA
| | - Lena Kenny
- Division of Sports Medicine, Department of Orthopaedic Surgery, NYU Langone Health, New York, New York, USA
| | - Thorsten Kirsch
- Division of Sports Medicine, Department of Orthopaedic Surgery, NYU Langone Health, New York, New York, USA
| | - Eric J Strauss
- Division of Sports Medicine, Department of Orthopaedic Surgery, NYU Langone Health, New York, New York, USA
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Chen M, Guo W, Gao S, Hao C, Shen S, Zhang Z, Wang Z, Li X, Jing X, Zhang X, Yuan Z, Wang M, Zhang Y, Peng J, Wang A, Wang Y, Sui X, Liu S, Guo Q. Biomechanical Stimulus Based Strategies for Meniscus Tissue Engineering and Regeneration. TISSUE ENGINEERING PART B-REVIEWS 2018; 24:392-402. [PMID: 29897012 DOI: 10.1089/ten.teb.2017.0508] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Meniscus injuries are very common in the knee joint. Treating a damaged meniscus continues to be a scientific challenge in sport medicine because of its poor self-healing potential and few clinical therapeutic options. Tissue engineering strategies are very promising solutions for repairing and regenerating a damaged meniscus. Meniscus is exposed to a complex biomechanical microenvironment, and it plays a crucial role in meniscal development, growth, and repairing. Over the past decades, increasing attention has been focused on the use of biomechanical stimulus to enhance biomechanical properties of the engineered meniscus. Further understanding the influence of mechanical stimulation on cell proliferation and differentiation, metabolism, relevant gene expression, and pro/anti-inflammatory responses may be beneficial to enhance meniscal repair and regeneration. On the one hand, this review describes some basic information about meniscus; on the other hand, we sum up the various biomechanical stimulus based strategies applied in meniscus tissue engineering and how these factors affect meniscal regeneration. We hope this review will provide researchers with inspiration on tissue engineering strategies for meniscus regeneration in the future.
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Affiliation(s)
- Mingxue Chen
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China .,2 Department of Orthopedic Surgery, Beijing Jishuitan Hospital, Fourth Clinical College of Peking University, 100035 Beijing, People's Republic of China
| | - Weimin Guo
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Shunag Gao
- 3 Center for Biomaterial and Tissue Engineering, Academy for Advanced Interdisciplinary Studies, Peking University , Beijing, People's Republic of China
| | - Chunxiang Hao
- 4 Institute of Anesthesiology , Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Shi Shen
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China .,5 Department of Bone and Joint Surgery, The Affiliated Hospital of Southwest Medical University , Luzhou, People's Republic of China
| | - Zengzeng Zhang
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China .,6 First Department of Orthopedics, First Affiliated Hospital of Jiamusi University , Jiamusi, People's Republic of China
| | - Zehao Wang
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Xu Li
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China .,7 School of Medicine, Nankai University , Tianjin, People's Republic of China
| | - Xiaoguang Jing
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China .,6 First Department of Orthopedics, First Affiliated Hospital of Jiamusi University , Jiamusi, People's Republic of China
| | - Xueliang Zhang
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China .,8 Shanxi Traditional Chinese Hospital , Taiyuan, People's Republic of China
| | - Zhiguo Yuan
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Mingjie Wang
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Yu Zhang
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Jiang Peng
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Aiyuan Wang
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Yu Wang
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Xiang Sui
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Shuyun Liu
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
| | - Quanyi Guo
- 1 Institute of Orthopedics , Chinese PLA General Hospital, Beijing Key Lab of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma & War Injuries PLA, Beijing, People's Republic of China
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Cook AE, Stoker AM, Leary EV, Pfeiffer FM, Cook JL. Metabolic responses of meniscal explants to injury and inflammation ex vivo. J Orthop Res 2018; 36:2657-2663. [PMID: 29745431 DOI: 10.1002/jor.24045] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 05/07/2018] [Indexed: 02/06/2023]
Abstract
This study was designed to characterize metabolic responses of meniscal tissue explants to injury and inflammation. We hypothesized that impact injury and interleukin (IL-1β) stimulation of meniscal explants would result in significant increases in matrix metalloproteinase (MMP) activity and relevant cytokine production compared to controls. Mature canine meniscal explants (n = 9/group) were randomly assigned to: (i) IL-1β (0.1 ng/ml) treated (IL); (ii) 25% strain (25); (iii) 75% strain (75); (iv) 25% + IL-1β (25IL); (v) 75% + IL-1β (75IL); or (vi) 0% + no IL-1β control (NC). Explants were impacted at 100 mm/s to 0%, 25%, or 75% strain and then cultured for 12 days with or without 0.1 ng/ml rcIL-1β. Media were refreshed every 3 days and analyzed for MMP activity, ADAMTS-4 activity, MMP-1, MMP-2, MMP-3, GAG, NO, PGE2 , IL-6, IL-8, MCP-1, and KC concentrations. Treatment with IL-1β alone significantly increased NO, PGE2, general MMP activity, IL-6, IL-8, KC, and MCP-1 media concentrations compared to negative controls. Impact at 75% significantly increased PGE2, IL-6, IL-8, and KC media concentrations compared to negative controls. The combination of IL-1β and 75% strain significantly increased production of PGE2 compared to IL-1β or 75% strain alone. Impact injury to meniscal explants ex vivo is associated with increased production of pro-inflammatory mediators and degradative enzyme activity, which are exacerbated by stimulation with IL-1β. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:2657-2663, 2018.
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Affiliation(s)
- Alex E Cook
- Kansas City University of Medicine and Biosciences, Kansas City, Missouri.,Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri
| | - Aaron M Stoker
- Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri.,Department of Orthopaedic Surgery, University of Missouri, 1100 Virginia Ave., DC953.00, Columbia 65212, Missouri
| | - Emily V Leary
- Department of Orthopaedic Surgery, University of Missouri, 1100 Virginia Ave., DC953.00, Columbia 65212, Missouri
| | - Ferris M Pfeiffer
- Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri.,Department of Orthopaedic Surgery, University of Missouri, 1100 Virginia Ave., DC953.00, Columbia 65212, Missouri
| | - James L Cook
- Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri.,Department of Orthopaedic Surgery, University of Missouri, 1100 Virginia Ave., DC953.00, Columbia 65212, Missouri
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Genemaras AA, Ennis H, Bradshaw B, Kaplan L, Huang CYC. Effects of Anti-Inflammatory Agents on Expression of Early Responsive Inflammatory and Catabolic Genes in Ex Vivo Porcine Model of Acute Knee Cartilage Injury. Cartilage 2018; 9:293-303. [PMID: 29986604 PMCID: PMC6042029 DOI: 10.1177/1947603516684589] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Objective Early intervention therapies targeting inflammation and cell death during the acute phase of cartilage injury have the potential to prevent posttraumatic osteoarthritis. The objective of this study was to investigate the effects of interleukin receptor antagonist protein (IRAP), hyaluronan (HA), dexamethasone (DEX), and mesenchymal stem cell (MSC) treatment on the expression of established genetic markers for matrix degradation, apoptosis, and inflammation in articular cartilage during the acute phase of injury. Design A custom impact device was used to create replicable injury ex vivo to intact porcine knee joint. One hour after impact, IRAP, HA, DEX, or MSCs was intra-articularly injected. At 8 hours postinjury, cartilage and meniscus samples were harvested for genetic expression analysis. Expression of miR-27b, miR-140, miR-125b, miR-16, miR-34a, miR-146a, miR-22, ADAMTS-4, ADAMTS-5, MMP-3, IL-1β, and TNF-α was analyzed by real-time polymerase chain reaction. Results At 8 hours postinjury, expression of ADAMTS-4, ADAMTS-5, MMP-3, IL-1β, and TNF-α in cartilage was significantly decreased in IRAP- and DEX-treated joints as compared to nontreated injured joints, whereas only IRAP upregulated expression of miR-140, miR-125b, miR-27b, miR-146a, and miR-22 in cartilage. HA and MSC treatments had no significant effects on catabolic and inflammatory gene expression in cartilage. However, HA treatment significantly upregulated expression of all miRNAs except miR-16. In addition, the treatments tested also exhibited significant influences on meniscus. Conclusions This study provides a valuable starting point for further research into potential targets for and efficacy of various early intervention strategies that may delay or prevent the progression of posttraumatic osteoarthritis after acute cartilage injury.
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MESH Headings
- ADAMTS4 Protein/drug effects
- ADAMTS4 Protein/genetics
- ADAMTS5 Protein/drug effects
- ADAMTS5 Protein/genetics
- Animals
- Anti-Inflammatory Agents/metabolism
- Cartilage, Articular/drug effects
- Cartilage, Articular/injuries
- Cartilage, Articular/metabolism
- Cell Death/drug effects
- Cells, Cultured/metabolism
- Chondrocytes/drug effects
- Chondrocytes/metabolism
- Dexamethasone/administration & dosage
- Dexamethasone/therapeutic use
- Gene Expression
- Hyaluronic Acid/administration & dosage
- Hyaluronic Acid/therapeutic use
- Inflammation/metabolism
- Injections, Intra-Articular/methods
- Matrix Metalloproteinase 3/drug effects
- Matrix Metalloproteinase 3/genetics
- Meniscus/drug effects
- Meniscus/metabolism
- Mesenchymal Stem Cell Transplantation/methods
- MicroRNAs/genetics
- Models, Animal
- Osteoarthritis, Knee/genetics
- Osteoarthritis, Knee/prevention & control
- Receptors, Interleukin/antagonists & inhibitors
- Receptors, Interleukin/therapeutic use
- Swine
- Tumor Necrosis Factor-alpha/drug effects
- Tumor Necrosis Factor-alpha/genetics
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Affiliation(s)
- Amaris A. Genemaras
- Department of Biomedical Engineering,
College of Engineering, University of Miami, Coral Gables, FL, USA
| | - Hayley Ennis
- Department of Biomedical Engineering,
College of Engineering, University of Miami, Coral Gables, FL, USA
| | - Brad Bradshaw
- Department of Biomedical Engineering,
College of Engineering, University of Miami, Coral Gables, FL, USA
| | - Lee Kaplan
- Department of Biomedical Engineering,
College of Engineering, University of Miami, Coral Gables, FL, USA
- Department of Orthopedics, Division of
Sports Medicine, University of Miami Miller School of Medicine, Miami, FL, USA
| | - C.-Y. Charles Huang
- Department of Biomedical Engineering,
College of Engineering, University of Miami, Coral Gables, FL, USA
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Behrendt P, Häfelein K, Preusse-Prange A, Bayer A, Seekamp A, Kurz B. IL-10 ameliorates TNF-α induced meniscus degeneration in mature meniscal tissue in vitro. BMC Musculoskelet Disord 2017; 18:197. [PMID: 28511649 PMCID: PMC5434535 DOI: 10.1186/s12891-017-1561-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 05/09/2017] [Indexed: 12/19/2022] Open
Abstract
Background Joint inflammation causes meniscus degeneration and can exacerbate post-traumatic meniscus injuries by extracellular matrix degradation, cellular de-differentiation and cell death. The aim of this study was to examine whether anti-inflammatory interleukin-10 exerts protective effects in an in vitro model of TNF-α-induced meniscus degeneration. Methods Meniscus tissue was harvested from the knees of adult cows. After 24 h of equilibrium explants were simultaneously treated with bovine TNF-α and IL-10. After an incubation time of 72 h cell death was measured histomorphometrically (nuclear blebbing, NB) and release of glycosaminoglycans (GAG, DMMB assay) and nitric oxide (NO, Griess-reagent) were analysed. Transcription levels (mRNA) of matrix degrading enzymes, collagen type X (COL10A1) and nitric oxide synthetase 2 (NOS2) were measured by quantitative real time PCR. TNF-α-dependent formation of the aggrecanase-specific aggrecan neoepitope NITEGE was visualised by immunostaining. Differences between groups were calculated using a one-way ANOVA with a Bonferroni post hoc test. Results Administration of IL-10 significantly prevented the TNF-α-related cell death (P .001), release of NO (P .003) and NOS2 expression (P .04). Release of GAG fragments (P .001), NITEGE formation and expression of MMP3 (P .007), -13 (P .02) and ADAMTS4 (P .001) were significantly reduced. The TNF-α-dependent increase in COL10A1 expression was also antagonized by IL-10 (P .02). Conclusion IL-10 prevented crucial mechanisms of meniscal degeneration induced by a key cytokine of OA, TNF-α. Administration of IL-10 might improve the biological regeneration and provide a treatment approach in degenerative meniscus injuries and in conditions of post-traumatic sports injuries.
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Affiliation(s)
- P Behrendt
- Department of Orthopaedics and Trauma Surgery, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany.
| | - K Häfelein
- Institute of Anatomy, Christian Albrechts-University, Kiel, Germany
| | - A Preusse-Prange
- Institute of Anatomy, Christian Albrechts-University, Kiel, Germany
| | - A Bayer
- Department of Cardiovascular Surgery, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - A Seekamp
- Department of Orthopaedics and Trauma Surgery, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - B Kurz
- Institute of Anatomy, Christian Albrechts-University, Kiel, Germany
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8
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Genemaras AA, Reiner T, Huang CY, Kaplan L. Early intervention with Interleukin-1 Receptor Antagonist Protein modulates catabolic microRNA and mRNA expression in cartilage after impact injury. Osteoarthritis Cartilage 2015; 23:2036-44. [PMID: 26521750 DOI: 10.1016/j.joca.2015.05.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Revised: 04/30/2015] [Accepted: 05/20/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The purpose of this controlled laboratory study was to determine the efficacy of Interleukin-1 Receptor Antagonist Protein (IRAP) treatment as an early intervention strategy by examining the changes in microRNA and mRNA expression in cartilage in an ex-vivo porcine knee joint impact model. METHODS Custom impact device was used to create replicable injury ex-vivo to intact porcine knee joint. Injury was caused by dropping a 10 kg weight one time from 1 m directly above the knee in extension. One hour after impact 20 μg/ml IRAP solution was intra-articularly injected. At 8 h post-injury, cartilage samples were harvested for cell viability and genetic expression analysis. Genetic expression of miR-27b, miR-140, miR-125b, ADAMTS-4, ADAMTS-5, MMP-3, IL-1β, and TNF-α were analyzed by RT-PCR. Cell viability image analysis was performed using ImageJ software. Groups were compared by analysis of variance (ANOVA) followed by Tukey's post-hoc test. A P-value <0.05 was considered significant. RESULTS At 8 h after IRAP treatment, expressions of ADAMTS-4, ADAMTS-5, MMP-3, IL-1β, and TNF-α in cartilage were significantly down-regulated from injury group (all P < 0.001). MiR-140, miR-125b, and miR-27b expressions were significantly up-regulated after treatment as compared to control and injury groups (all P < 0.001). CONCLUSION This study demonstrates that IRAP treatment administered during acute phase of cartilage impact injury increases expression levels of miR-140, miR-125b, and miR-27b in cartilage, indicating increased inhibition of their respective matrix-degrading enzymes. Clinically, these findings support the potential of IRAP treatment as an early intervention strategy for the prevention of cartilage degeneration after impact injury.
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Affiliation(s)
- A A Genemaras
- Department of Biomedical Engineering, College of Engineering, University of Miami, Coral Gables, FL, USA.
| | - T Reiner
- Geriatric Research, Education, and Clinical Center and Research Service, Bruce W. Carter Veterans Affairs Medical Center, Miami, FL, USA.
| | - C-Y Huang
- Department of Biomedical Engineering, College of Engineering, University of Miami, Coral Gables, FL, USA.
| | - L Kaplan
- Department of Biomedical Engineering, College of Engineering, University of Miami, Coral Gables, FL, USA; Department of Orthopedics, Division of Sports Medicine, University of Miami Miller School of Medicine, Miami, FL, USA.
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9
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Carter TE, Taylor KA, Spritzer CE, Utturkar GM, Taylor DC, Moorman CT, Garrett WE, Guilak F, McNulty AL, DeFrate LE. In vivo cartilage strain increases following medial meniscal tear and correlates with synovial fluid matrix metalloproteinase activity. J Biomech 2015; 48:1461-8. [PMID: 25801424 DOI: 10.1016/j.jbiomech.2015.02.030] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Accepted: 02/10/2015] [Indexed: 01/13/2023]
Abstract
Meniscal tears are common injuries, and while partial meniscectomy is a frequent treatment option, general meniscus loss is a risk factor for the development of osteoarthritis. The goal of this study was to measure the in vivo tibiofemoral cartilage contact patterns in patients with meniscus tears in relation to biomarkers of cartilage catabolism in the synovial fluid of these joints. A combination of magnetic resonance imaging and biplanar fluoroscopy was used to determine the in vivo motion and cartilage contact mechanics of the knee. Subjects with isolated medial meniscus tears were analyzed while performing a quasi-static lunge, and the contralateral uninjured knee was used as a control. Synovial fluid was collected from the injured knee and matrix metalloproteinase (MMP) activity, sulfated glycosaminoglycan, cartilage oligomeric matrix protein, prostaglandin E2, and the collagen type II cleavage biomarker C2C were measured. Contact strain in the medial compartment increased significantly in the injured knees compared to contralateral control knees. In the lateral compartment, the contact strain in the injured knee was significantly increased only at the maximum flexion angle (105°). The average cartilage strain at maximum flexion positively correlated with total MMP activity in the synovial fluid. These findings show that meniscal injury leads to loss of normal joint function and increased strain of the articular cartilage, which correlated to elevated total MMP activity in the synovial fluid. The increased strain and total MMP activity may reflect, or potentially contribute to, the early development of osteoarthritis that is observed following meniscal injury.
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Affiliation(s)
- Teralyn E Carter
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, United States
| | - Kevin A Taylor
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, United States
| | - Charles E Spritzer
- Department of Radiology, Duke University Medical Center, Durham, NC, United States
| | - Gangadhar M Utturkar
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, United States
| | - Dean C Taylor
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, United States
| | - Claude T Moorman
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, United States
| | - William E Garrett
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, United States
| | - Farshid Guilak
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, United States
| | - Amy L McNulty
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, United States
| | - Louis E DeFrate
- Department of Orthopaedic Surgery, Duke University Medical Center, Durham, NC, United States
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Abstract
The meniscus plays a critical biomechanical role in the knee, providing load support, joint stability, and congruity. Importantly, growing evidence indicates that the mechanobiologic response of meniscal cells plays a critical role in the physiologic, pathologic, and repair responses of the meniscus. Here we review experimental and theoretical studies that have begun to directly measure the biomechanical effects of joint loading on the meniscus under physiologic and pathologic conditions, showing that the menisci are exposed to high contact stresses, resulting in a complex and nonuniform stress-strain environment within the tissue. By combining microscale measurements of the mechanical properties of meniscal cells and their pericellular and extracellular matrix regions, theoretical and experimental models indicate that the cells in the meniscus are exposed to a complex and inhomogeneous environment of stress, strain, fluid pressure, fluid flow, and a variety of physicochemical factors. Studies across a range of culture systems from isolated cells to tissues have revealed that the biological response of meniscal cells is directly influenced by physical factors, such as tension, compression, and hydrostatic pressure. In addition, these studies have provided new insights into the mechanotransduction mechanisms by which physical signals are converted into metabolic or pro/anti-inflammatory responses. Taken together, these in vivo and in vitro studies show that mechanical factors play an important role in the health, degeneration, and regeneration of the meniscus. A more thorough understanding of the mechanobiologic responses of the meniscus will hopefully lead to therapeutic approaches to prevent degeneration and enhance repair of the meniscus.
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11
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Shen C, Yan J, Erkocak OF, Zheng XF, Chen XD. Nitric oxide inhibits autophagy via suppression of JNK in meniscal cells. Rheumatology (Oxford) 2014; 53:1022-33. [DOI: 10.1093/rheumatology/ket471] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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12
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Response of mature meniscal tissue to a single injurious compression and interleukin-1 in vitro. Osteoarthritis Cartilage 2013; 21:209-16. [PMID: 23069857 DOI: 10.1016/j.joca.2012.10.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Revised: 09/25/2012] [Accepted: 10/04/2012] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To study mechanical overload of mature meniscal tissue under normal and pro-inflammatory conditions in vitro. METHOD Three days after a single unconfined compression (strain: 25-75%, strain rate 1/s) of meniscal explants from 16 to 24 months-old cattle combined with interleukin-1-treatment (IL-1, 10 ng/ml) release of glycosaminoglycans (GAGs; dimethylmethylene blue (DMMB) assay), lactate dehydrogenase (LDH; cytotoxicity detection kit), and nitric oxide (NO; Griess assay), as well as gene transcription (quantitative reverse transcription polymerase chain reaction (RT-PCR)) and numbers of cells with condensed nuclei (CN; histomorphometry) were determined. RESULTS Mean peak stresses during compression were about five (25%), 11 (50%), and 30 MPa (75%), respectively. GAG and LDH release and numbers of CN increased whereas NO production and mRNA levels of matrix metalloproteinase (MMP)-2, -3 and a disintegrin and metalloproteinase with thrombospondin motifs (ADAMTS)-4 decreased strain-dependently after compression. IL-1 induced an increase in GAG and NO release as well as MMP-2, -3 and ADAMTS-4 levels, but had no impact on the LDH release and slightly increased numbers of CN. However, in combination with compression the tissue responses were reduced and LDH and CN levels were increased compared to IL-1 alone. CONCLUSION Our data suggest that a single impact compression induces cell damage and release of GAG and reduces the NO production and transcription of certain matrix-degrading enzymes. It also reduces the capacity of meniscal tissue to respond to IL-1, which might be related to the cell damage and suggests that the compression-related GAG release might rather be the result of immediate extracellular matrix-damage than a cell-mediated event. This, however, needs to be confirmed in future studies.
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