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Fazeli MS, McIntyre L, Huang Y, Chevalier X. Intra-articular placebo effect in the treatment of knee osteoarthritis: a survey of the current clinical evidence. Ther Adv Musculoskelet Dis 2022; 14:1759720X211066689. [PMID: 35126683 PMCID: PMC8808023 DOI: 10.1177/1759720x211066689] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/23/2021] [Indexed: 01/06/2023] Open
Abstract
Knee osteoarthritis (KOA) is a debilitating disease characterized by chronic pain, stiffness, and decreased mobility. Intra-articular injectable therapies show good clinical efficacy in improving symptoms; however, these therapies and their comparators (intra-articular saline) have been associated with a large underlying placebo effect. We aimed to describe the existing evidence on the challenges, hypotheses, and potential solutions to mitigate the intra-articular placebo effect in clinical trials in KOA. A targeted literature review was conducted by searching Embase, MEDLINE®, and CENTRAL using predefined study selection criteria. All eligible studies identified were extracted for relevant data, and results were narratively summarized. Forty-three studies were included following screening. Challenges associated with the intra-articular placebo effect included its ability to mask the comparative efficacy of active treatments in trials (n = 7 studies), long-lasting effects (up to 6 months; n = 3), and substantial variation of placebo effect sizes across populations (n = 3). Hypotheses for the mechanism of the placebo effect included aspiration of synovial fluid during administration (n = 6) and dilution of inflammatory mediators (n = 2). Factors affecting the placebo effect size were more invasive routes of administration (e.g., injection versus oral; n = 4) and patient expectations (n = 2). Proposed solutions included the suggestion for readers to weigh the relevance of clinical trial evidence against the presence of large underlying placebo effects (n = 9), discontinuation of intra-articular saline as an appropriate placebo (n = 5), and inclusion of 'no treatment' or sham injection as a control (n = 4). The intra-articular placebo effect is a well-documented occurrence in KOA clinical trials, and it is suggested that it be accounted for when designing randomized controlled trials. Awareness and understanding of the intra-articular placebo effect in KOA are required for fair interpretation of clinical trial evidence.
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Affiliation(s)
- Mir Sohail Fazeli
- Evidinno Outcomes Research Inc., 1750 Davie Street, Suites 601 & 602, Vancouver, BC V6G 1W3, Canada
| | | | - Yili Huang
- Northwell Health, New Hyde Park, NY, USA
| | - Xavier Chevalier
- Hôpital Henri Mondor, Université Paris XII, UPEC, Créteil, France
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Hayes AJ, Melrose J. Glycosaminoglycan and Proteoglycan Biotherapeutics in Articular Cartilage Protection and Repair Strategies: Novel Approaches to Visco‐supplementation in Orthobiologics. ADVANCED THERAPEUTICS 2019. [DOI: 10.1002/adtp.201900034] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Anthony J. Hayes
- Bioimaging Research HubCardiff School of BiosciencesCardiff University Cardiff CF10 3AX Wales UK
| | - James Melrose
- Graduate School of Biomedical EngineeringUNSW Sydney Sydney NSW 2052 Australia
- Raymond Purves Bone and Joint Research LaboratoriesKolling Institute of Medical ResearchRoyal North Shore Hospital and The Faculty of Medicine and HealthUniversity of Sydney St. Leonards NSW 2065 Australia
- Sydney Medical SchoolNorthernRoyal North Shore HospitalSydney University St. Leonards NSW 2065 Australia
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Bhandari M, Bannuru RR, Babins EM, Martel-Pelletier J, Khan M, Raynauld JP, Frankovich R, Mcleod D, Devji T, Phillips M, Schemitsch EH, Pelletier JP. Intra-articular hyaluronic acid in the treatment of knee osteoarthritis: a Canadian evidence-based perspective. Ther Adv Musculoskelet Dis 2017; 9:231-246. [PMID: 28932293 DOI: 10.1177/1759720x17729641] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 08/02/2017] [Indexed: 12/11/2022] Open
Abstract
Osteoarthritis (OA) is a chronic condition characterized by a loss of joint cartilage and is a major cause of disability in Canada, with an estimated CN$195 billion annual cost. Knee OA leads to persistent pain and loss of function, and treatment goals primarily focus on symptom relief and retention of function. Intra-articular hyaluronic acid (IAHA) has therapeutic benefits, and numerous recently published meta-analyses (MAs) and commentaries have highlighted new evidence on the role of IAHA therapy for knee OA. A diverse, multidisciplinary group of specialists met independently in closed sessions to review findings from eight MAs with literature search end dates no earlier than 2012 to address controversies surrounding IAHA therapy for mild-to-moderate knee OA within the Canadian treatment context. Outcomes from a total of eight MAs were reviewed, and consistent and statistically significant improvements in pain, function and stiffness up to 26 weeks were found with IAHA therapy compared with IA placebo or controls, regardless of MA size or trial quality. These findings are in line with those of a Cochrane review, another recent systematic review and patient satisfaction survey. Overall, three MAs reported outcomes based on molecular weight (MW), with the two reporting effect sizes showing significantly improved pain outcomes for higher compared with lower MW HAs. Recent evidence suggests that HA therapy is well tolerated with no increased risk of serious adverse events compared with placebo and the full therapeutic effect of IAHA therapy appears to have considerable clinical importance, consisting of the combined IA placebo and HA therapeutic effects. IAHA therapy is a well-tolerated and effective option for patients with mild-to-moderate knee OA failing first-line pharmacological therapy.
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Affiliation(s)
- Mohit Bhandari
- Division of Orthopaedics and Department of Clinical Epidemiology and Biostatistics, McMaster University, 293 Wellington Street, Hamilton, ON L8L2X2, Canada
| | - Raveendhara R Bannuru
- Center for Treatment Comparison and Integrative Analysis, Division of Rheumatology, Tufts Medical Center, Boston, MA, USA
| | | | - Johanne Martel-Pelletier
- Osteoarthritis Research Unit, University of Montréal Hospital Research Centre (CRCHUM), Montréal, Quebec, Canada
| | - Moin Khan
- Division of Orthopaedics, McMaster University, Hamilton, Ontario, Canada
| | - Jean-Pierre Raynauld
- University of Montréal Hospital Research Centre (CRCHUM), Montréal, Quebec, Canada
| | - Renata Frankovich
- Department of Family Medicine, University of Ottawa, Ontario, Canada
| | - Deanna Mcleod
- Kaleidoscope Strategic Inc. Toronto, Ontario, Canada
| | - Tahira Devji
- Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
| | | | | | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, University of Montréal Hospital Research Centre (CRCHUM), Montréal, Quebec, Canada
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Levillain A, Magoariec H, Boulocher C, Decambron A, Viateau V, Hoc T. Effects of a viscosupplementation therapy on rabbit menisci in an anterior cruciate ligament transection model of osteoarthritis. J Biomech 2017; 58:147-154. [PMID: 28554494 DOI: 10.1016/j.jbiomech.2017.04.034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 04/14/2017] [Accepted: 04/30/2017] [Indexed: 12/26/2022]
Abstract
The aim of this study was to evaluate the morphological, microstructural, and mechanical effects of a viscosupplementation therapy on rabbit menisci at an early stage of osteoarthritis (OA). Anterior cruciate ligament transection (ACLT) was performed in twelve male New-Zealand White rabbits on the right knee joint. Six of these twelve rabbits received a mono intra-articular injection of high molecular weight hyaluronic acid (HA) two weeks after ACLT. Six additional healthy rabbits served as controls. Medial menisci were removed from all right knees (n=18) six weeks after ACLT and were graded macroscopically. Indentation-relaxation tests were performed in the anterior and posterior regions of the menisci. Collagen fiber organization and glycosaminoglycan (GAG) content were assessed by biphotonic confocal microscopy and histology, respectively. Viscosupplementation significantly (p=0.002) improved the surface integrity of the medial menisci compared to the operated non-treated group. Moreover, the injection seems to have an effect on the GAG distribution in the anterior region of the menisci. However, the viscoelastic properties of both operated groups were similar and significantly lower than those of the healthy group, which was explained by their modified collagen fiber organization. They displayed disruption of the tie fibers due to structural alterations of the superficial layers from which they emanate, leading to modifications in the deep zone. To conclude, the viscosupplementation therapy prevents macroscopic lesions of the menisci, but it fails to restore their collagen fiber organization and their viscoelastic properties. This finding supports the role of this treatment in improving the lubrication over the knee.
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Affiliation(s)
- A Levillain
- LTDS, UMR CNRS 5513, Université de Lyon, Ecole centrale de Lyon, 36 av Guy de Collongue, 69134 Ecully Cedex, France
| | - H Magoariec
- LTDS, UMR CNRS 5513, Université de Lyon, Ecole centrale de Lyon, 36 av Guy de Collongue, 69134 Ecully Cedex, France
| | - C Boulocher
- Research unit ICE, UPSP 2011.03.101, Université de Lyon, veterinary campus of VetAgro Sup, 69 280 Marcy l'Etoile, France
| | - A Decambron
- B2OA, UMR 7052, ENVA, 7 Avenue du Général de Gaulle, 94700 Maisons-Alfort, France
| | - V Viateau
- B2OA, UMR 7052, ENVA, 7 Avenue du Général de Gaulle, 94700 Maisons-Alfort, France
| | - T Hoc
- LTDS, UMR CNRS 5513, Université de Lyon, Ecole centrale de Lyon, 36 av Guy de Collongue, 69134 Ecully Cedex, France.
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Abstract
INTRODUCTION Conventional medical therapies for osteoarthritis are mainly palliative in nature, aiming to control pain and symptoms. Traditional intra-articular therapies are not recommended in guidelines as first line therapy, but are potential alternatives, when conventional therapies have failed. AREAS COVERED Current and future intra-articular drug therapies for osteoarthritis are highlighted, including corticosteroids, hyaluronate, and more controversial treatments marketed commercially, namely platelet rich plasma and mesenchymal cell therapy. Intraarticular disease modifying osteoarthritis drugs are the future of osteoarthritis treatments, aiming at structural modification and altering the disease progression. Interleukin-1β inhibitor, bone morphogenic protein-7, fibroblast growth factor 18, bradykinin B2 receptor antagonist, human serum albumin, and gene therapy are discussed in this review. The evolution of drug development in osteoarthritis is limited by the ability to demonstrate effect. High quality trials are required to justify the use of existing intra-articular therapies and to advocate for newer, promising therapies. EXPERT OPINION Challenges in osteoarthritis therapy research are fundamentally related to the complexity of the pathological mechanisms of osteoarthritis. Novel drugs offer hope in a disease with limited medical therapy options. Whether these future intra-articular therapies will provide clinically meaningful benefits, remains unknown.
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Affiliation(s)
- Shirley P Yu
- a Department of Rheumatology , Royal North Shore Hospital , Sydney , Australia
| | - David J Hunter
- b Institute of Bone and Joint Research , Kolling Institute, University of Sydney , Sydney , Australia
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Shapiro LM, Safran MR, Maloney WJ, Goodman SB, Huddleston JI, Bellino MJ, Scuderi GJ, Abrams GD. Cytokines as a predictor of clinical response following hip arthroscopy: minimum 2-year follow-up. J Hip Preserv Surg 2016; 3:229-35. [PMID: 27583163 PMCID: PMC5005061 DOI: 10.1093/jhps/hnw013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2015] [Accepted: 03/27/2016] [Indexed: 11/26/2022] Open
Abstract
Hip arthroscopy in patients with osteoarthritis has been shown to have suboptimal outcomes. Elevated cytokine concentrations in hip synovial fluid have previously been shown to be associated with cartilage pathology. The purpose of this study was to determine whether a relationship exists between hip synovial fluid cytokine concentration and clinical outcomes at a minimum of 2 years following hip arthroscopy. Seventeen patients without radiographic evidence of osteoarthritis had synovial fluid aspirated at time of portal establishment during hip arthroscopy. Analytes included fibronectin–aggrecan complex as well as a multiplex cytokine array. Patients completed the modified Harris Hip Score, Western Ontario and McMaster Universities Arthritis Index and the International Hip Outcomes Tool pre-operatively and at a minimum of 2 years following surgery. Pre and post-operative scores were compared with a paired t-test, and the association between cytokine values and clinical outcome scores was performed with Pearson’s correlation coefficient with an alpha value of 0.05 set as significant. Sixteen of seventeen patients completed 2-year follow-up questionnaires (94%). There was a significant increase in pre-operative to post-operative score for each clinical outcome measure. No statistically significant correlation was seen between any of the intra-operative cytokine values and either the 2-year follow-up scores or the change from pre-operative to final follow-up outcome values. No statistically significant associations were seen between hip synovial fluid cytokine concentrations and 2-year follow-up clinical outcome assessment scores for those undergoing hip arthroscopy.
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Affiliation(s)
- Lauren M Shapiro
- Department of Orthopaedic Surgery, Stanford University, 450 Broadway St, Mail Code 6342, Redwood City, CA 94063, USA
| | - Marc R Safran
- Department of Orthopaedic Surgery, Stanford University, 450 Broadway St, Mail Code 6342, Redwood City, CA 94063, USA
| | - William J Maloney
- Department of Orthopaedic Surgery, Stanford University, 450 Broadway St, Mail Code 6342, Redwood City, CA 94063, USA
| | - Stuart B Goodman
- Department of Orthopaedic Surgery, Stanford University, 450 Broadway St, Mail Code 6342, Redwood City, CA 94063, USA
| | - James I Huddleston
- Department of Orthopaedic Surgery, Stanford University, 450 Broadway St, Mail Code 6342, Redwood City, CA 94063, USA
| | - Michael J Bellino
- Department of Orthopaedic Surgery, Stanford University, 450 Broadway St, Mail Code 6342, Redwood City, CA 94063, USA
| | - Gaetano J Scuderi
- Cytonics Corporation, 210 Jupiter Lakes Blvd 3102, Jupiter, FL 33458, USA
| | - Geoffrey D Abrams
- Department of Orthopaedic Surgery, Stanford University, 450 Broadway St, Mail Code 6342, Redwood City, CA 94063, USA; Veterns Administration, Department of Orthopaedic Surgery, 3801 Miranda Ave, Mail Code Ortho 112, Palo Alto, CA 94304, USA
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Altman RD, Manjoo A, Fierlinger A, Niazi F, Nicholls M. The mechanism of action for hyaluronic acid treatment in the osteoarthritic knee: a systematic review. BMC Musculoskelet Disord 2015; 16:321. [PMID: 26503103 PMCID: PMC4621876 DOI: 10.1186/s12891-015-0775-z] [Citation(s) in RCA: 235] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Accepted: 10/15/2015] [Indexed: 02/09/2023] Open
Abstract
BACKGROUND Knee osteoarthritis (OA) is one of the leading causes of disability within the adult population. Current treatment options for OA of the knee include intra-articular (IA) hyaluronic acid (HA), a molecule found intrinsically within the knee joint that provides viscoelastic properties to the synovial fluid. A variety of mechanisms in which HA is thought to combat knee OA are reported in the current basic literature. METHODS We conducted a comprehensive literature search to identify currently available primary non-clinical basic science articles focussing on the mechanism of action of IA-HA treatment. Included articles were assessed and categorized based on the mechanism of action described within them. The key findings and conclusions from each included article were obtained and analyzed in aggregate with studies of the same categorical assignment. RESULTS Chondroprotection was the most frequent mechanism reported within the included articles, followed by proteoglycan and glycosaminoglycan synthesis, anti-inflammatory, mechanical, subchondral, and analgesic actions. HA-cluster of differentiation 44 (CD44) receptor binding was the most frequently reported biological cause of the mechanisms presented. High molecular weight HA was seen to be superior to lower molecular weight HA products. HA derived through a biological fermentation process is also described as having favorable safety outcomes over avian-derived HA products. CONCLUSIONS The non-clinical basic science literature provides evidence for numerous mechanisms in which HA acts on joint structures and function. These actions provide support for the purported clinical benefit of IA-HA in OA of the knee. Future research should not only focus on the pain relief provided by IA-HA treatment, but the disease modification properties that this treatment modality possesses as well.
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Affiliation(s)
- R D Altman
- Division of Rheumatology and Immunology, David Geffen School of Medicine, University of California at Los Angeles, 1000 Veterans Ave, 90024, Los Angeles, CA, USA.
| | - A Manjoo
- Division of Orthopaedics, McMaster University, Hamilton, ON, Canada.
| | - A Fierlinger
- Ferring Pharmaceuticals Inc., Parsippany, NJ, USA.
| | - F Niazi
- Ferring Pharmaceuticals Inc., Parsippany, NJ, USA.
| | - M Nicholls
- Kentucky Orthopaedic and Hand Surgeons, A division of Ortho Kentucky, Lexington, KY, USA.
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Barreto RB, Sadigursky D, Rezende MUD, Hernandez AJ. Effect of hyaluronic acid on chondrocyte apoptosis. ACTA ORTOPEDICA BRASILEIRA 2015; 23:90-3. [PMID: 27069407 PMCID: PMC4813412 DOI: 10.1590/1413-785220152302144341] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
OBJECTIVE: To determine the percentage of apoptotic cells in a contusion model of osteoarthritis (OA) and to assess whether intra-articular injection of high doses of hyaluronic acid (HA) immediately after trauma reduces chondrocyte apoptosis. METHODS: Forty knees from adult rabbits were impacted thrice with a 1 kg block released through a 1 meter tall cylinder (29.4 Joules). Subsequently, 2 mL of HA was injected in one knee and 2 mL saline in the contra-lateral knee. Medication were administered twice a week for 30 days, when animals were sacrificed. Specimens were prepared for optical microscopy exam and terminal deoxynucleotidyl transferase end labeling assay (TUNEL). RESULTS: The apoptosis rate in the contusion model was 68.01% (± 19.73%), a higher rate than previously described. HA significantly reduced the rate of apoptosis to 53.52% (± 18.09) (p <0.001). CONCLUSION: Intra-articular HA administration started immediately after trauma reduces impact-induced chondrocyte apoptosis rates in rabbits. Level of Evidence I, Experimental Study.
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Lord MS, Farrugia BL, Rnjak-Kovacina J, Whitelock JM. Current serological possibilities for the diagnosis of arthritis with special focus on proteins and proteoglycans from the extracellular matrix. Expert Rev Mol Diagn 2014; 15:77-95. [DOI: 10.1586/14737159.2015.979158] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Stoffels JMJ, Zhao C, Baron W. Fibronectin in tissue regeneration: timely disassembly of the scaffold is necessary to complete the build. Cell Mol Life Sci 2013; 70:4243-53. [PMID: 23756580 PMCID: PMC11113129 DOI: 10.1007/s00018-013-1350-0] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Revised: 04/04/2013] [Accepted: 04/22/2013] [Indexed: 12/31/2022]
Abstract
Tissue injury initiates extracellular matrix molecule expression, including fibronectin production by local cells and fibronectin leakage from plasma. To benefit tissue regeneration, fibronectin promotes opsonization of tissue debris, migration, proliferation, and contraction of cells involved in the healing process, as well as angiogenesis. When regeneration proceeds, the fibronectin matrix is fully degraded. However, in a diseased environment, fibronectin clearance is often disturbed, allowing structural variants to persist and contribute to disease progression and failure of regeneration. Here, we discuss first how fibronectin helps tissue regeneration, with a focus on normal cutaneous wound healing as an example of complete tissue recovery. Then, we continue to argue that, although the fibronectin matrix generated following cartilage and central nervous system white matter (myelin) injury initially benefits regeneration, fibronectin clearance is incomplete in chronic wounds (skin), osteoarthritis (cartilage), and multiple sclerosis (myelin). Fibronectin fragments or aggregates persist, which impair tissue regeneration. The similarities in fibronectin-mediated mechanisms of frustrated regeneration indicate that complete fibronectin clearance is a prerequisite for recovery in any tissue. Also, they provide common targets for developing therapeutic strategies in regenerative medicine.
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Affiliation(s)
- Josephine M. J. Stoffels
- Department of Cell Biology, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Chao Zhao
- Wellcome Trust—Medical Research Council Stem Cell Institute and Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge, CB3 0ES UK
| | - Wia Baron
- Department of Cell Biology, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
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Abstract
Fibronectin fragments are important for synovial inflammation and the progression of arthritis, and thus, identifying potential enzymatic pathways that generate these fragments is of vital importance. The objective of this study was to determine the cleavage efficiency of fibronectin by matrix metalloproteinases (MMP-1, MMP-3, MMP-13, and MMP-14). Intact human plasma fibronectin was co-incubated with activated MMPs in neutral or acidic pH for up to 24 hours at 37 °C. The size and distribution of fibronectin fragments were determined by Western blot analysis using antibodies that recognized the N-terminals of fibronectin. All MMPs were able to cleave fibronectin at neutral pH. MMP-13 and -14 had the highest efficiency followed by MMP-3 and -1. MMP-3, -13, and -14 generated 70-kDa fragments, a known pro-inflammatory peptide. Further degradation of fibronectin fragments was only found for MMP-13 and -14, generating 52-kDa, 40-kDa, 32-kDa, and 29-kDa fragments. Fibronectin fragments of similar size were also found in the articular cartilage of femoral condyles of normal bovine knee joints. At acidic pH (5.5), the activities of MMP-1 and -14 were nearly abolished, while MMP-3 had a greater efficiency than MMP-13 even though the activities of both MMPs were significantly reduced. These findings suggest that MMP-13 and -14 may play a significant role in the cleavage of fibronectin and the production of fibronectin fragments in normal and arthritic joints.
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Affiliation(s)
- Xiaorong Zhang
- Tissue Engineering, Regeneration and Repair Program, The Hospital for Special Surgery and Weill Cornell Medical College, New York, NY, USA
| | - Christopher T. Chen
- Tissue Engineering, Regeneration and Repair Program, The Hospital for Special Surgery and Weill Cornell Medical College, New York, NY, USA,Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Madhu Bhargava
- Tissue Engineering, Regeneration and Repair Program, The Hospital for Special Surgery and Weill Cornell Medical College, New York, NY, USA
| | - Peter A. Torzilli
- Tissue Engineering, Regeneration and Repair Program, The Hospital for Special Surgery and Weill Cornell Medical College, New York, NY, USA
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Identification of a complex between fibronectin and aggrecan G3 domain in synovial fluid of patients with painful meniscal pathology. Clin Biochem 2010; 43:808-14. [DOI: 10.1016/j.clinbiochem.2010.04.069] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2010] [Revised: 04/06/2010] [Accepted: 04/22/2010] [Indexed: 11/21/2022]
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Donati I, Mørch YA, Strand BL, Skjåk-Braek G, Paoletti S. Effect of elongation of alternating sequences on swelling behavior and large deformation properties of natural alginate gels. J Phys Chem B 2010; 113:12916-22. [PMID: 19775176 DOI: 10.1021/jp905488u] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The physical properties of alginate gels correlate with alginate composition. Blocks of guluronic acid (G) strongly contribute to gel formation. Recently, the role of alternating sequences in calcium-alginate gels has been elucidated. The present contribution aimed at extending the analysis already reported (Donati, I.; Holtan, S.; Mørch, Y. A.; Borgogna, M.; Dentini, M.; Skjåk-Braek, G. Biomacromolecules 2005, 6, 1031) and at explaining some apparent mismatch of experimental data. In the present work, calcium hydrogels from different alginate samples have been analyzed by means of uniaxial compression and puncture tests to evaluate their Young's modulus and work at break. The role of long MG blocks in mechanical deformations (small and large domains) as well as in swelling experiments was investigated with natural and MG-enriched (AlgE4 epimerized) alginate samples. Alginates with elongated alternating sequences displayed, upon treatment with saline solution, a notable increase in swelling behavior, which was not paralleled by increased mechanical properties (Young's modulus). This behavior was traced back to the disentanglement of MG/MG junctions, which increased the local charge density, reducing the osmotic contribution to hydrogel swelling. The analyses of the large deformation curves for natural and epimerized alginates revealed an increase in the energy to breakage in the latter case caused by the dissipation effect of "sliding" MG/MG junctions.
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Affiliation(s)
- Ivan Donati
- Department of Life Sciences, University of Trieste, Via Licio Giorgieri 1, 34127-Trieste, Italy.
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Rapley JH, Beavis RC, Barber FA. Glenohumeral chondrolysis after shoulder arthroscopy associated with continuous bupivacaine infusion. Arthroscopy 2009; 25:1367-73. [PMID: 19962061 DOI: 10.1016/j.arthro.2009.08.024] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2009] [Revised: 07/03/2009] [Accepted: 08/30/2009] [Indexed: 02/02/2023]
Abstract
PURPOSE To determine the incidence of glenohumeral chondrolysis associated with the use of a continuous-infusion device in shoulder arthroscopy. METHODS A consecutive series of patients undergoing arthroscopic glenohumeral surgery with a postoperative continuous-infusion pump inserted into either the glenohumeral joint or subacromial space were evaluated for chondrolysis. Two pump types were used: group 1 received 100 mL of 0.5% bupivacaine without epinephrine infused at 2.08 mL/h, and group 2 received 270 mL of 0.5% bupivacaine without epinephrine infused at 4.16 mL/h. RESULTS We followed up 65 patients at a mean of 40 months. Of these, 29 had glenohumeral catheters (13 in group 1 and 16 in group 2) and 36 had subacromial catheters (19 in group 1 and 17 in group 2). The overall postoperative Constant, American Shoulder and Elbow Surgeons, Rowe, Single Assessment Numeric Evaluation, and Simple Shoulder Test scores were 84, 87, 77, 86, and 10, respectively, in those with glenohumeral catheters and 93, 94, 95, 89, and 11, respectively, in those with subacromial catheters. Three glenohumeral catheter patients were diagnosed with chondrolysis, all in group 2. CONCLUSIONS Chondrolysis developed in 3 of 16 patients (19%) with glenohumeral joint infusion of 0.5% bupivacaine without epinephrine at 4.16 mL/h for 65 hours. No patient using a 2.08-mL/h reservoir for 48 hours into the glenohumeral joint and no patient with a subacromial infusion device had chondrolysis. Clinical symptoms and radiographic evidence of chondrolysis developed before 12 months after surgery. LEVEL OF EVIDENCE Level III, retrospective comparative study.
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Affiliation(s)
- Jay H Rapley
- Plano Orthopedic Sports Medicine and Spine Center, Plano, Texas, USA
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Lin YY, Tanaka N, Ohkuma S, Kamiya T, Kunimatsu R, Huang YC, Yoshioka M, Mitsuyoshi T, Tanne Y, Tanimoto K, Tanaka E, Tanne K. The Mandibular Cartilage Metabolism is Altered by Damaged Subchondral Bone from Traumatic Impact Loading. Ann Biomed Eng 2009; 37:1358-67. [DOI: 10.1007/s10439-009-9696-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2008] [Accepted: 04/07/2009] [Indexed: 12/18/2022]
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Ohno S, Im HJ, Knudson CB, Knudson W. Hyaluronan oligosaccharides induce matrix metalloproteinase 13 via transcriptional activation of NFkappaB and p38 MAP kinase in articular chondrocytes. J Biol Chem 2006; 281:17952-60. [PMID: 16648633 PMCID: PMC3139229 DOI: 10.1074/jbc.m602750200] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Hyaluronan exerts a variety of biological effects on cells including changes in cell migration, proliferation, and matrix metabolism. However, the signaling pathways associated with the action of hyaluronan on cells have not been clearly defined. In some cells, signaling is induced by the loss of cell-hyaluronan interactions. The goal of this study was to use hyaluronan oligosaccharides as a molecular tool to explore the effects of changes in cell-hyaluronan interactions and determine the underlying molecular events that become activated. In this study, hyaluronan oligosaccharides induced the loss of extracellular matrix proteoglycan and collagen from cultured slices of normal adult human articular cartilage. This loss was coincident with an increased expression of matrix metalloproteinase (MMP)-13. MMP-13 expression was also induced in articular chondrocytes by hyaluronan (HA) hexasaccharides but not by HA tetrasaccharides nor high molecular weight hyaluronan. MMP-13 promoter-reporter constructs in CD44-null COS-7 cells revealed that both CD44-dependent and CD44-independent events mediate the induction of MMP-13 by hyaluronan oligosaccharides. Electromobility gel shift assays demonstrated the activation of chondrocyte NFkappaB by hyaluronan oligosaccharides. NFkappaB activation was also documented in C-28/I2 immortalized human chondrocytes by luciferase promoter assays and phosphorylation of IKK-alpha/beta. The link between activation of NFkappaB and MMP-13 induction by HA oligosaccharides was further confirmed through the use of the NFkappaB inhibitor helenalin. Inhibition of MAP kinases also demonstrated the involvement of p38 MAP kinase in the hyaluronan oligosaccharide induction of MMP-13. Our findings suggest that hyaluronan-CD44 interactions affect matrix metabolism via activation of NFkappaB and p38 MAP kinase.
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Affiliation(s)
- Shigeru Ohno
- Department of Biochemistry, Rush Medical College, Rush University Medical Center, Chicago, Illinois 60612
| | - Hee-Jeong Im
- Department of Biochemistry, Rush Medical College, Rush University Medical Center, Chicago, Illinois 60612
| | - Cheryl B. Knudson
- Department of Biochemistry, Rush Medical College, Rush University Medical Center, Chicago, Illinois 60612
| | - Warren Knudson
- Department of Biochemistry, Rush Medical College, Rush University Medical Center, Chicago, Illinois 60612
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Ding M, Christian Danielsen C, Hvid I. Effects of hyaluronan on three-dimensional microarchitecture of subchondral bone tissues in guinea pig primary osteoarthrosis. Bone 2005; 36:489-501. [PMID: 15777671 DOI: 10.1016/j.bone.2004.12.010] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2004] [Revised: 11/03/2004] [Accepted: 12/01/2004] [Indexed: 11/16/2022]
Abstract
Hyaluronan (HA) has received increasing interest as a potential agent in therapeutic intervention in osteoarthrosis (OA). HA has been shown to reduce arthritic lesions in experimental animal models of articular cartilage injury. This study was to investigate the effects of high molecular weight HA intra-articular injection on subchondral bone tissues. Fifty-six male guinea pigs were randomly divided into 5 groups. During the initial 2.5-month period, three groups received intra-articular injection of HA 0.4 mg/kg/week for 5 weeks in both knee joints. Two control groups received vehicle. After 2.5 months, one HA group and one control group were sacrificed. The remaining 3 groups (5.5-month groups) were left for an additional 3 months before sacrifice during which time one HA group received additional 5 weeks injections, one HA group received no more injections, and the control group received vehicle. The left tibiae were harvested and micro-CT scanned to quantify three-dimensional microarchitecture of subchondral bone plate, cancellous bone and cortical bone, followed by mechanical testing and collagen and mineral determinations. All HA-treated groups had almost normal cartilage, whereas the control groups had typical OA-related cartilage degradation. In the 2.5-month group, HA resulted in significantly decreased subchondral plate volume fraction and thickness and HA-treated cancellous bone had significantly lower bone volume fraction, and typical rod-like structure. After 5.5 months, these changes were more pronounced, with an additional marked decrease in connectivity and bone surface density. HA-treated cortical bone had significantly greater volume fraction at both observation times. HA groups had greater bone mineral concentration and reduced collagen to mineral ratio with similar mechanical properties of cancellous bone but less stiff cortical bone. The effects of HA on cartilage and subchondral bone were maintained when treatment was discontinued. In summary, HA effectively protects against cartilage degeneration, decreases subchondral bone density and thickness, changes trabecular structure toward rod-like, so that subchondral bone becomes more compliant and thereby reduces cartilage stress during impact loading. HA preserved cancellous bone mechanical properties by increasing bone mineralization. Early HA administration is effective for intervention of OA initiation and progression, and short-term early HA treatment is sufficient to maintain treatment effects.
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Affiliation(s)
- Ming Ding
- Orthopaedic Research Laboratory, Department of Orthopaedics, Aarhus University Hospital, Aarhus, Denmark.
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Peters JH, Carsons S, Yoshida M, Ko F, McDougall S, Loredo GA, Hahn TJ. Electrophoretic characterization of species of fibronectin bearing sequences from the N-terminal heparin-binding domain in synovial fluid samples from patients with osteoarthritis and rheumatoid arthritis. Arthritis Res Ther 2003; 5:R329-39. [PMID: 14680507 PMCID: PMC333412 DOI: 10.1186/ar1001] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2003] [Revised: 08/11/2003] [Accepted: 08/15/2003] [Indexed: 12/23/2022] Open
Abstract
Fragments of fibronectin (FN) corresponding to the N-terminal heparin-binding domain have been observed to promote catabolic chondrocytic gene expression and chondrolysis. We therefore characterized FN species that include sequences from this domain in samples of arthritic synovial fluid using one-and two-dimensional (1D and 2D) Western blot analysis. We detected similar assortments of species, ranging from ~47 to greater than 200 kDa, in samples obtained from patients with osteoarthritis (n = 9) versus rheumatoid arthritis (n = 10). One of the predominant forms, with an apparent molecular weight of ~170 kDa, typically resolved in 2D electrophoresis into a cluster of subspecies. These exhibited reduced binding to gelatin in comparison with a more prevalent species of ~200+ kDa and were also recognized by a monoclonal antibody to the central cell-binding domain (CBD). When considered together with our previous analyses of synovial fluid FN species containing the alternatively spliced EIIIA segment, these observations indicate that the ~170-kDa species includes sequences from four FN domains that have previously, in isolation, been observed to promote catabolic responses by chondrocytes in vitro: the N-terminal heparin-binding domain, the gelatin-binding domain, the central CBD, and the EIIIA segment. The ~170-kDa N-terminal species of FN may therefore be both a participant in joint destructive processes and a biomarker with which to gauge activity of the arthritic process.
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Affiliation(s)
- John H Peters
- Department of Internal Medicine, University of California, Davis School of Medicine, Davis, CA, USA.
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