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Liu X, Zhang X, Kang Y, Huang F, Liu S, Guo Y, Li Y, Yin C, Liu M, Han Q, Wang Q, Ye H, Yao H, Li C, Li J, Pingcuo W, Zhang Y, Su Y, Gao G, Li Z, Sun X. An autoantibody profile identified by human genome-wide protein arrays in rheumatoid arthritis. MedComm (Beijing) 2024; 5:e679. [PMID: 39132510 PMCID: PMC11317183 DOI: 10.1002/mco2.679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 07/04/2024] [Accepted: 07/08/2024] [Indexed: 08/13/2024] Open
Abstract
Precise diagnostic biomarkers of anticitrullination protein antibody (ACPA)-negative and early-stage RA are still to be improved. We aimed to screen autoantibodies in ACPA-negative patients and evaluated their diagnostic performance. The human genome-wide protein arrays (HuProt arrays) were used to define specific autoantibodies from the sera of 182 RA patients and 261 disease and healthy controls. Statistical analysis was performed with SPSS 17.0. In Phase I study, 51 out of 19,275 recombinant proteins covering the whole human genome were selected. In Phase II validation study, anti-ANAPC15 (anaphase promoting complex subunit 15) exhibited 41.8% sensitivity and 91.5% specificity among total RA patients. There were five autoantibodies increased in ACPA-negative RA, including anti-ANAPC15, anti-LSP1, anti-APBB1, anti-parathymosin, and anti-UBL7. Anti-parathymosin showed the highest prevalence of 46.2% (p = 0.016) in ACPA-negative early stage (<2 years) RA. To further improve the diagnostic efficacy, a prediction model was constructed with 44 autoantibodies. With increased threshold for RA calling, the specificity of the model is 90.8%, while the sensitivity is 66.1% (87.8% in ACPA-positive RA and 23.8% in ACPA-negative RA) in independent testing patients. Therefore, HuProt arrays identified RA-associated autoantibodies that might become possible diagnostic markers, especially in early stage ACPA-negative RA.
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Affiliation(s)
- Xu Liu
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Xiaoying Zhang
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Yu‐Jian Kang
- Chongqing Key Laboratory of Intelligent Oncology for Breast CancerCancer HospitalSchool of MedicineChongqing UniversityChongqingChina
| | - Fei Huang
- General Medical DepartmentHuazhong University of Science and Technology Union Shenzhen HospitalShenzhenChina
| | - Shuang Liu
- Department of Rheumatology and ImmunologyFirst Affiliated Hospital of Kunming Medical University.KunmingChina
| | - Yixue Guo
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Yingni Li
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Changcheng Yin
- Beijing Protein InnovationB‐8, Airport Industrial ZoneBeijingChina
| | - Mingling Liu
- Department of Rheumatologythe First Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Qimao Han
- Department of RheumatologyThe First Affiliated Hospital of Heilongjiang University of Traditional Chinese Medicine. No.24 Heping RoadXiangfang DistrictHarbinChina
| | - Qingwen Wang
- Department of Rheumatism and ImmunologyPeking University Shenzhen HospitalShenzhenChina
| | - Hua Ye
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Haihong Yao
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Chun Li
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Jiahe Li
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Wangzha Pingcuo
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Yan Zhang
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Yin Su
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Ge Gao
- State Key Laboratory of Protein and Plant Gene Research, School of Life SciencesBiomedical Pioneering Innovative Center (BIOPIC) & Beijing Advanced Innovation Center for Genomics (ICG)Center for Bioinformatics (CBI)Peking UniversityBeijingChina
| | - Zhanguo Li
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
| | - Xiaolin Sun
- Department of Rheumatology and ImmunologyPeking University People's Hospital & Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis (BZ0135)BeijingChina
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Miao MZ, Lee JS, Yamada KM, Loeser RF. Integrin signalling in joint development, homeostasis and osteoarthritis. Nat Rev Rheumatol 2024; 20:492-509. [PMID: 39014254 DOI: 10.1038/s41584-024-01130-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2024] [Indexed: 07/18/2024]
Abstract
Integrins are key regulators of cell-matrix interactions during joint development and joint tissue homeostasis, as well as in the development of osteoarthritis (OA). The signalling cascades initiated by the interactions of integrins with a complex network of extracellular matrix (ECM) components and intracellular adaptor proteins orchestrate cellular responses necessary for maintaining joint tissue integrity. Dysregulated integrin signalling, triggered by matrix degradation products such as matrikines, disrupts this delicate balance, tipping the scales towards an environment conducive to OA pathogenesis. The interplay between integrin signalling and growth factor pathways further underscores the multifaceted nature of OA. Moreover, emerging insights into the role of endocytic trafficking in regulating integrin signalling add a new layer of complexity to the understanding of OA development. To harness the therapeutic potential of targeting integrins for mitigation of OA, comprehensive understanding of their molecular mechanisms across joint tissues is imperative. Ultimately, deciphering the complexities of integrin signalling will advance the ability to treat OA and alleviate its global burden.
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Affiliation(s)
- Michael Z Miao
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
- Craniofacial Anomalies and Regeneration Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
- Division of Rheumatology, Allergy, and Immunology and the Thurston Arthritis Research Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Janice S Lee
- Craniofacial Anomalies and Regeneration Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
- Office of the Clinical Director, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Kenneth M Yamada
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA.
| | - Richard F Loeser
- Division of Rheumatology, Allergy, and Immunology and the Thurston Arthritis Research Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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3
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Rydén M, Lindblom K, Yifter-Lindgren A, Turkiewicz A, Aspberg A, Tillgren V, Englund M, Önnerfjord P. A human meniscus explant model for studying early events in osteoarthritis development by proteomics. J Orthop Res 2023; 41:2765-2778. [PMID: 37218349 DOI: 10.1002/jor.25633] [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: 01/24/2023] [Revised: 05/05/2023] [Accepted: 05/18/2023] [Indexed: 05/24/2023]
Abstract
Degenerative meniscus lesions have been associated with both osteoarthritis etiology and its progression. We, therefore, sought to establish a human meniscus ex vivo model to study the meniscal response to cytokine treatment using a proteomics approach. Lateral menisci were obtained from five knee-healthy donors. The meniscal body was cut into vertical slices and further divided into an inner (avascular) and outer region. Explants were either left untreated (controls) or stimulated with cytokines. Medium changes were conducted every 3 days up to Day 21 and liquid chromatography-mass spectrometry was performed at all the time points for the identification and quantification of proteins. Mixed-effect linear regression models were used for statistical analysis to estimate the effect of treatments versus control on protein abundance. Treatment by IL1ß increased release of cytokines such as interleukins, chemokines, and matrix metalloproteinases but a limited catabolic effect in healthy human menisci explants. Further, we observed an increased release of matrix proteins (collagens, integrins, prolargin, tenascin) in response to oncostatin M (OSM) + tumor necrosis factor (TNF) and TNF+interleukin-6 (IL6) + sIL6R treatments, and analysis of semitryptic peptides provided additional evidence of increased catabolic effects in response to these treatments. The induced activation of catabolic processes may play a role in osteoarthritis development.
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Affiliation(s)
- Martin Rydén
- Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Faculty of Medicine, Lund University, Lund, Sweden
| | - Karin Lindblom
- Department of Clinical Sciences Lund, Section for Rheumatology and Molecular Skeletal Biology, Faculty of Medicine, Lund University, Lund, Sweden
| | - Aida Yifter-Lindgren
- Department of Clinical Sciences Lund, Section for Rheumatology and Molecular Skeletal Biology, Faculty of Medicine, Lund University, Lund, Sweden
| | - Aleksandra Turkiewicz
- Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Faculty of Medicine, Lund University, Lund, Sweden
| | - Anders Aspberg
- Department of Clinical Sciences Lund, Section for Rheumatology and Molecular Skeletal Biology, Faculty of Medicine, Lund University, Lund, Sweden
| | - Viveka Tillgren
- Department of Clinical Sciences Lund, Section for Rheumatology and Molecular Skeletal Biology, Faculty of Medicine, Lund University, Lund, Sweden
| | - Martin Englund
- Department of Clinical Sciences Lund, Orthopaedics, Clinical Epidemiology Unit, Faculty of Medicine, Lund University, Lund, Sweden
| | - Patrik Önnerfjord
- Department of Clinical Sciences Lund, Section for Rheumatology and Molecular Skeletal Biology, Faculty of Medicine, Lund University, Lund, Sweden
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4
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Rapp AE, Zaucke F. Cartilage extracellular matrix-derived matrikines in osteoarthritis. Am J Physiol Cell Physiol 2023; 324:C377-C394. [PMID: 36571440 DOI: 10.1152/ajpcell.00464.2022] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Osteoarthritis (OA) is among the most frequent diseases of the musculoskeletal system. Degradation of cartilage extracellular matrix (ECM) is a hallmark of OA. During the degradation process, intact/full-length proteins and proteolytic fragments are released which then might induce different downstream responses via diverse receptors, therefore leading to different biological consequences. Collagen type II and the proteoglycan aggrecan are the most abundant components of the cartilage ECM. However, over the last decades, a large number of minor components have been identified and for some of those, a role in the manifold processes associated with OA has already been demonstrated. To date, there is still no therapy able to halt or cure OA. A better understanding of the matrikine landscape occurring with or even preceding obvious degenerative changes in joint tissues is needed and might help to identify molecules that could serve as biomarkers, druggable targets, or even be blueprints for disease modifying drug OA drugs. For this narrative review, we screened PubMed for relevant literature in the English language and summarized the current knowledge regarding the function of selected ECM molecules and the derived matrikines in the context of cartilage and OA.
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Affiliation(s)
- Anna E Rapp
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
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5
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Bhutada S, Li L, Willard B, Muschler G, Piuzzi N, Apte SS. Forward and reverse degradomics defines the proteolytic landscape of human knee osteoarthritic cartilage and the role of the serine protease HtrA1. Osteoarthritis Cartilage 2022; 30:1091-1102. [PMID: 35339693 DOI: 10.1016/j.joca.2022.02.622] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/11/2022] [Accepted: 02/03/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Proteolytic destruction of articular cartilage, a major pathogenic mechanism in osteoarthritis (OA), was not previously investigated by terminomics strategies. We defined the degradome of human knee OA cartilage and the contribution therein of the protease HtrA1 using Terminal Amine Isotopic Labeling of Substrates (TAILS). DESIGN Proteins from OA cartilage taken at knee arthroplasty (n = 6) or separately, from healthy cartilage incubated in triplicate with/without active HtrA1, were labeled at natural and proteolytically cleaved N-termini by reductive dimethylation, followed by trypsin digestion, enrichment of N-terminally labeled/blocked peptides, tandem mass spectrometry and positional peptide annotation to identify cleavage sites. Biglycan proteolysis by HtrA1 was validated biochemically and Amino-Terminal Oriented Mass Spectrometry of Substrates (ATOMS) was used to define the HtrA1 cleavage sites. RESULTS We identified 10,155 unique internal peptides from 2,162 proteins, suggesting at least 10,797 cleavage sites in OA cartilage. 7,635 internal peptides originated in 371 extracellular matrix/secreted components, many undergoing extensive proteolysis. Rampant ragging of protein termini suggested pervasive exopeptidase activity. HtrA1, the most abundant protease in OA cartilage, experimentally generated 323 cleavages in 109 cartilage proteins, accounting for 171 observed cleavages in the OA degradome. ATOMS identified HtrA1 cleavage sites in a selected substrate, biglycan, whose direct cleavage by HtrA1 was thus orthogonally validated. CONCLUSIONS OA cartilage demonstrates widespread proteolysis by endo- and exopeptidases. HtrA1 contributes broadly to cartilage proteolysis. Forward degradomics of OA cartilage together with reverse degradomics of proteases active in OA, e.g., HtrA1, can potentially fully annotate OA proteolytic pathways and provide new biomarkers.
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Affiliation(s)
- S Bhutada
- Department of Biomedical Engineering, Cleveland Clinic Lerner Research Institute, Cleveland, OH, USA
| | - L Li
- Proteomics and Metabolomics Core, Cleveland Clinic Lerner Research Institute, Cleveland, OH, USA
| | - B Willard
- Proteomics and Metabolomics Core, Cleveland Clinic Lerner Research Institute, Cleveland, OH, USA
| | - G Muschler
- Department of Biomedical Engineering, Cleveland Clinic Lerner Research Institute, Cleveland, OH, USA; Department of Orthopaedic Surgery, Cleveland Clinic Orthopaedic and Rheumatologic Institute, Cleveland, OH, USA
| | - N Piuzzi
- Department of Orthopaedic Surgery, Cleveland Clinic Orthopaedic and Rheumatologic Institute, Cleveland, OH, USA
| | - S S Apte
- Department of Biomedical Engineering, Cleveland Clinic Lerner Research Institute, Cleveland, OH, USA; Department of Orthopaedic Surgery, Cleveland Clinic Orthopaedic and Rheumatologic Institute, Cleveland, OH, USA.
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Black RM, Flaman LL, Lindblom K, Chubinskaya S, Grodzinsky AJ, Önnerfjord P. Tissue catabolism and donor-specific dexamethasone response in a human osteochondral model of post-traumatic osteoarthritis. Arthritis Res Ther 2022; 24:137. [PMID: 35689293 PMCID: PMC9185927 DOI: 10.1186/s13075-022-02828-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 05/22/2022] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Post-traumatic osteoarthritis (PTOA) does not currently have clinical prognostic biomarkers or disease-modifying drugs, though promising candidates such as dexamethasone (Dex) exist. Many challenges in studying and treating this disease stem from tissue interactions that complicate understanding of drug effects. We present an ex vivo human osteochondral model of PTOA to investigate disease effects on cartilage and bone homeostasis and discover biomarkers for disease progression and drug efficacy. METHODS Human osteochondral explants were harvested from normal (Collins grade 0-1) ankle talocrural joints of human donors (2 female, 5 male, ages 23-70). After pre-equilibration, osteochondral explants were treated with a single-impact mechanical injury and TNF-α, IL-6, and sIL-6R ± 100 nM Dex for 21 days and media collected every 2-3 days. Chondrocyte viability, tissue DNA content, and glycosaminoglycan (sGAG) percent loss to the media were assayed and compared to untreated controls using a linear mixed effects model. Mass spectrometry analysis was performed for both cartilage tissue and pooled culture medium, and the statistical significance of protein abundance changes was determined with the R package limma and empirical Bayes statistics. Partial least squares regression analyses of sGAG loss and Dex attenuation of sGAG loss against proteomic data were performed. RESULTS Injury and cytokine treatment caused an increase in the release of matrix components, proteases, pro-inflammatory factors, and intracellular proteins, while tissue lost intracellular metabolic proteins, which was mitigated with the addition of Dex. Dex maintained chondrocyte viability and reduced sGAG loss caused by injury and cytokine treatment by 2/3 overall, with donor-specific differences in the sGAG attenuation effect. Biomarkers of bone metabolism had mixed effects, and collagen II synthesis was suppressed with both disease and Dex treatment by 2- to 5-fold. Semitryptic peptides associated with increased sGAG loss were identified. Pro-inflammatory humoral proteins and apolipoproteins were associated with lower Dex responses. CONCLUSIONS Catabolic effects on cartilage tissue caused by injury and cytokine treatment were reduced with the addition of Dex in this osteochondral PTOA model. This study presents potential peptide biomarkers of early PTOA progression and Dex efficacy that can help identify and treat patients at risk of PTOA.
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Affiliation(s)
- Rebecca Mae Black
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA.
| | - Lisa L Flaman
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Karin Lindblom
- Rheumatology and Molecular Skeletal Biology, Department of Clinical Sciences Lund, Faculty of Medicine, Lund University, Lund, Sweden
| | - Susan Chubinskaya
- Departments of Pediatrics, Orthopedic Surgery and Medicine (Section of Rheumatology), Rush University Medical Center, Chicago, IL, USA
| | - Alan J Grodzinsky
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Patrik Önnerfjord
- Rheumatology and Molecular Skeletal Biology, Department of Clinical Sciences Lund, Faculty of Medicine, Lund University, Lund, Sweden
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Andrés Sastre E, Zaucke F, Witte-Bouma J, van Osch GJ, Farrell E. Cartilage Oligomeric Matrix Protein-Derived Peptides Secreted by Cartilage Do Not Induce Responses Commonly Observed during Osteoarthritis. Cartilage 2021; 13:1229S-1236S. [PMID: 32993314 PMCID: PMC8721606 DOI: 10.1177/1947603520961170] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
OBJECTIVE To evaluate if 3 peptides derived from the cartilage oligomeric matrix protein (COMP), which wounded zones of cartilage secrete into synovial fluid, possess biological activity and might therefore be involved in the regulation of specific aspects of joint regeneration. METHODS The 3 peptides were produced by chemical synthesis and then tested in vitro for known functions of the COMP C-terminal domain from which they derive, and which are involved in osteoarthritis: transforming growth factor-β (TGF-β) signaling, vascular homeostasis, and inflammation. Results. None of the peptides affected the gene expression of COMP in osteochondral progenitor cells (P > 0.05). We observed no effects on the vascularization potential of endothelial cells (P > 0.05). In cultured synovium explants, no differences on the expression of catabolic enzymes or proinflammatory cytokines were found when peptides were added (P > 0.05). DISCUSSION AND CONCLUSIONS The 3 peptides tested do not regulate TGF-β signaling, angiogenesis and vascular tube formation, or synovial inflammation in vitro and therefore most likely do not play a major role in the disease process.
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Affiliation(s)
- Enrique Andrés Sastre
- Department of Oral and
Maxillofacial Surgery, Erasmus MC, University Medical Center Rotterdam, the
Netherlands
| | - Frank Zaucke
- Dr. Rolf Schwiete Research Unit
for Osteoarthritis, Orthopaedic University Hospital Friedrichsheim,
Frankfurt, Germany
| | - Janneke Witte-Bouma
- Department of Oral and
Maxillofacial Surgery, Erasmus MC, University Medical Center Rotterdam, the
Netherlands
| | - Gerjo J.V.M van Osch
- Department of Orthopaedics and
Department of Otorhinolaryngology, Erasmus MC University Medical Center,
Rotterdam, the Netherlands
| | - Eric Farrell
- Department of Oral and
Maxillofacial Surgery, Erasmus MC, University Medical Center Rotterdam, the
Netherlands
- Eric Farrell, Department of Oral and
Maxillofacial Surgery, Erasmus MC, University Medical Center
Rotterdam, nl Ee1618b, Wytemaweg 80, 3015 CN Rotterdam, 3000 CA, the
Netherlands.
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8
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Black RM, Wang Y, Struglics A, Lorenzo P, Chubinskaya S, Grodzinsky AJ, Önnerfjord P. Proteomic clustering reveals the kinetics of disease biomarkers in bovine and human models of post-traumatic osteoarthritis. OSTEOARTHRITIS AND CARTILAGE OPEN 2021; 3. [DOI: 10.1016/j.ocarto.2021.100191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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9
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Haartmans MJJ, Emanuel KS, Tuijthof GJM, Heeren RMA, Emans PJ, Cillero-Pastor B. Mass Spectrometry-based Biomarkers for Knee Osteoarthritis: A Systematic Review. Expert Rev Proteomics 2021; 18:693-706. [PMID: 34228576 DOI: 10.1080/14789450.2021.1952868] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Introduction: Knee osteoarthritis (OA) is a joint disease, affecting multiple tissues in the joint. Early detection and intervention may delay OA development and avoid total knee arthroplasty. Specific biomarker profiles for early detection and guiding clinical decision-making of OA have not yet been identified. One technique that can contribute to the finding of this "OA biomarker" is mass spectrometry (MS), which offers the possibility to analyze different molecules in tissues or fluids. Several proteomic, lipidomic, metabolomic and other -omic approaches aim to identify these molecular profiles; however, variation in methods and techniques complicate the finding of promising candidate biomarkers.Areas covered: In this systematic review, we aim to provide an overview of molecules in OA knee patients. Possible biomarkers in several tissue types of OA and non-OA patients, as well as current limitations and possible future suggestions will be discussed.Expert opinion: According to this review, we do not believe one specific biomarker will function as predictive molecule for OA. Likely, a group of molecules will give insight in OA development and possible therapeutic targets. For clinical implementation of MS-analysis in clinical decision-making, standardized procedures, large cohort studies and sharing protocols and data is necessary.
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Affiliation(s)
- Mirella J J Haartmans
- Maastricht MultiModal Molecular Imaging Institute (M4i), Division of Imaging Mass Spectrometry, Maastricht University Universiteitssingel 50, 6229 ER Maastricht, The Netherlands.,Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, P. Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Kaj S Emanuel
- Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, P. Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Gabrielle J M Tuijthof
- Department of Research Engineering, Maastricht University Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Ron M A Heeren
- Maastricht MultiModal Molecular Imaging Institute (M4i), Division of Imaging Mass Spectrometry, Maastricht University Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Pieter J Emans
- Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, P. Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Berta Cillero-Pastor
- Maastricht MultiModal Molecular Imaging Institute (M4i), Division of Imaging Mass Spectrometry, Maastricht University Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
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10
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Grässel S, Zaucke F, Madry H. Osteoarthritis: Novel Molecular Mechanisms Increase Our Understanding of the Disease Pathology. J Clin Med 2021; 10:jcm10091938. [PMID: 33946429 PMCID: PMC8125020 DOI: 10.3390/jcm10091938] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 12/12/2022] Open
Abstract
Although osteoarthritis (OA) is the most common musculoskeletal condition that causes significant health and social problems worldwide, its exact etiology is still unclear. With an aging and increasingly obese population, OA is becoming even more prevalent than in previous decades. Up to 35% of the world’s population over 60 years of age suffers from symptomatic (painful, disabling) OA. The disease poses a tremendous economic burden on the health-care system and society for diagnosis, treatment, sick leave, rehabilitation, and early retirement. Most patients also experience sleep disturbances, reduced capability for exercising, lifting, and walking and are less capable of working, and maintaining an independent lifestyle. For patients, the major problem is disability, resulting from joint tissue destruction and pain. So far, there is no therapy available that effectively arrests structural deterioration of cartilage and bone or is able to successfully reverse any of the existing structural defects. Here, we elucidate novel concepts and hypotheses regarding disease progression and pathology, which are relevant for understanding underlying the molecular mechanisms as a prerequisite for future therapeutic approaches. Emphasis is placed on topographical modeling of the disease, the role of proteases and cytokines in OA, and the impact of the peripheral nervous system and its neuropeptides.
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Affiliation(s)
- Susanne Grässel
- Department of Orthopaedic Surgery, Experimental Orthopaedics, Centre for Medical Biotechnology (ZMB), Bio Park 1, University of Regensburg, 93053 Regensburg, Germany
- Correspondence:
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Orthopedic University Hospital Friedrichsheim, 60528 Frankfurt am Main, Germany;
| | - Henning Madry
- Center of Experimental Orthopaedics, Saarland University, 66421 Homburg, Germany;
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11
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Khella CM, Asgarian R, Horvath JM, Rolauffs B, Hart ML. An Evidence-Based Systematic Review of Human Knee Post-Traumatic Osteoarthritis (PTOA): Timeline of Clinical Presentation and Disease Markers, Comparison of Knee Joint PTOA Models and Early Disease Implications. Int J Mol Sci 2021; 22:1996. [PMID: 33671471 PMCID: PMC7922905 DOI: 10.3390/ijms22041996] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/05/2021] [Accepted: 02/08/2021] [Indexed: 12/15/2022] Open
Abstract
Understanding the causality of the post-traumatic osteoarthritis (PTOA) disease process of the knee joint is important for diagnosing early disease and developing new and effective preventions or treatments. The aim of this review was to provide detailed clinical data on inflammatory and other biomarkers obtained from patients after acute knee trauma in order to (i) present a timeline of events that occur in the acute, subacute, and chronic post-traumatic phases and in PTOA, and (ii) to identify key factors present in the synovial fluid, serum/plasma and urine, leading to PTOA of the knee in 23-50% of individuals who had acute knee trauma. In this context, we additionally discuss methods of simulating knee trauma and inflammation in in vivo, ex vivo articular cartilage explant and in vitro chondrocyte models, and answer whether these models are representative of the clinical inflammatory stages following knee trauma. Moreover, we compare the pro-inflammatory cytokine concentrations used in such models and demonstrate that, compared to concentrations in the synovial fluid after knee trauma, they are exceedingly high. We then used the Bradford Hill Framework to present evidence that TNF-α and IL-6 cytokines are causal factors, while IL-1β and IL-17 are credible factors in inducing knee PTOA disease progresssion. Lastly, we discuss beneficial infrastructure for future studies to dissect the role of local vs. systemic inflammation in PTOA progression with an emphasis on early disease.
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Affiliation(s)
| | | | | | | | - Melanie L. Hart
- G.E.R.N. Center for Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center—Albert-Ludwigs-University of Freiburg, 79085 Freiburg im Breisgau, Germany; (C.M.K.); (R.A.); (J.M.H.); (B.R.)
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12
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Is good muscle function a protective factor for early signs of knee osteoarthritis after anterior cruciate ligament reconstruction? The SHIELD cohort study protocol. OSTEOARTHRITIS AND CARTILAGE OPEN 2020; 2:100102. [DOI: 10.1016/j.ocarto.2020.100102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 09/16/2020] [Indexed: 11/18/2022] Open
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13
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Firner S, Zaucke F, Heilig J, de Marées M, Willwacher S, Brüggemann GP, Niehoff A. Impact of knee joint loading on fragmentation of serum cartilage oligomeric matrix protein. J Orthop Res 2020; 38:1710-1718. [PMID: 31944379 DOI: 10.1002/jor.24586] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 10/31/2019] [Accepted: 12/21/2019] [Indexed: 02/04/2023]
Abstract
The aim of the study was to examine the effect of mechanical knee joint loading on the fragmentation pattern of serum cartilage oligomeric matrix protein (COMP). Ten healthy men ran with knee orthoses that were passive or active (+30.9 N·m external flexion moments) on a treadmill (30 minute; v = 2.2 m/s). Lower-limb mechanics, serum COMP levels, and fragmentation patterns (baseline; 0, 0.5, 1, 2 hours postrunning) were analyzed. Running with active orthoses enhanced knee flexion moments, ankle dorsiflexion, and knee flexion angles (P < .05). There was an increase in serum COMP (+25%; pre: 8.9 ± 2.4 U/l; post: 10.7 ± 1.9 U/l, P = .001), COMP pentamer/tetramer (+88%; 1.88 ± 0.81, P = .007), trimer (+209%; 3.09 ± 2.65, P = .005), and monomer (+78%; 1.78 ± 0.85, P = .007) after running with passive orthoses and in serum COMP (+41%; pre: 8.5 ± 2.7 U/l; post: 11.3 ± 2.1 U/l, P < .001), COMP pentamer/tetramer (+57%; 1.57 ± 0.39, P = .007), trimer (+86%; 1.86 ± 0.47, P = .005), and monomer (+19%; 1.19 ± 0.34, P = .114) after running with active orthoses. Increased fragmentation might indicate COMP release from cartilage while running. Interestingly, 0.5 h up to 2 hours after running with passive orthoses, trimer (0.5 hour: 2.73 ± 3.40, P = .029; 2 hours: 2.33 ± 2.88, P = .037), and monomer (0.5 hour: 2.23 ± 2.33, P = .007; 1 hour: 2.55 ± 1.96, P = .012; 2 hours: 2.65 ± 2.50, P = .009) increased while after running with active orthoses, pentamer/tetramer (1 hour: 0.79 ± 0.28, P = .029), and trimer (1 hour: 0.63 ± 0.14, P = .005; 2 hours: 0.68 ± 0.34, P = .047) decreased. It seems that COMP degradation and clearance vary depending on joint loading characteristics.
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Affiliation(s)
- Sara Firner
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne, Germany
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Orthopedic University Hospital Friedrichsheim gGmbH, Frankfurt, Germany
| | - Juliane Heilig
- Center for Biochemistry, Medical Faculty, University of Cologne, Cologne, Germany.,Cologne Center for Musculoskeletal Biomechanics, Medical Faculty, University of Cologne, Cologne, Germany
| | - Markus de Marées
- Department of Sports Medicine and Sports Nutrition, Faculty of Sport Science, Ruhr-University Bochum, Bochum, Germany
| | - Steffen Willwacher
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne, Germany
| | - Gert-Peter Brüggemann
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne, Germany.,Cologne Center for Musculoskeletal Biomechanics, Medical Faculty, University of Cologne, Cologne, Germany
| | - Anja Niehoff
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Cologne, Germany.,Cologne Center for Musculoskeletal Biomechanics, Medical Faculty, University of Cologne, Cologne, Germany
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14
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Zhong W, Hou H, Liu T, Su S, Xi X, Liao Y, Xie R, Jin G, Liu X, Zhu L, Zhang H, Song X, Yang C, Sun T, Cao H, Wang B. Cartilage Oligomeric Matrix Protein promotes epithelial-mesenchymal transition by interacting with Transgelin in Colorectal Cancer. Am J Cancer Res 2020; 10:8790-8806. [PMID: 32754278 PMCID: PMC7392026 DOI: 10.7150/thno.44456] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 06/07/2020] [Indexed: 12/20/2022] Open
Abstract
Background and Purpose: The role of the cartilage oligomeric matrix protein (COMP) in epithelial-mesenchymal transition (EMT) in tumor progression has been studied, but its exact regulatory mechanism remains unknown. Methods: The interaction between COMP and the actin-binding protein transgelin (TAGLN) was identified by interaction protein prediction and co-immunoprecipitation and verified through the stochastic optical reconstruction microscopy (STORM) and duolink experiments. Western blot and immunofluorescence analyses were conducted to detect the changes in EMT-related markers after COMP overexpression and knockdown. Molecular docking and Biacore of the interaction interface of COMP/TAGLN revealed that Chrysin directly targeted COMP. The promotion of COMP and the Chrysin inhibition of EMT were detected through the cell migration, invasion, apoptosis, and xenotransplantation of nude mice. Results: COMP interacts with TAGLN in EMT in colorectal cancer to regulate cytoskeletal remodeling and promote malignant progression. COMP is highly expressed in highly malignant colorectal cancer and positively correlated with TAGLN expression. COMP knockdown can inhibit colorectal cancer metastasis and invasion, whereas COMP overexpression promotes EMT in colorectal cancer. Through virtual screening of the protein interaction interface, Chrysin, a flavonoid compound extracted from Oroxylum indicum, was found to have the highest docking score to the COMP/TAGLN complex. Chrysin inhibited COMP, thereby preventing EMT and the malignant progression of colorectal cancer. Conclusions: This study illustrated the role of COMP in EMT and suggested that COMP/TAGLN may be a potential tumor therapeutic target. Chrysin exhibits obvious antitumor effects. This work provides a preliminary antitumor therapy to target COMP or its interaction protein to inhibit EMT.
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15
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Development of a Cartilage Oligomeric Matrix Protein Neo-Epitope Assay for the Detection of Intra-Thecal Tendon Disease. Int J Mol Sci 2020; 21:ijms21062155. [PMID: 32245107 PMCID: PMC7139564 DOI: 10.3390/ijms21062155] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Revised: 03/10/2020] [Accepted: 03/17/2020] [Indexed: 02/07/2023] Open
Abstract
The diagnosis of tendon injury relies on clinical signs and diagnostic imaging but imaging is subjective and does not always correlate with clinical signs. A molecular marker would potentially offer a sensitive and specific diagnostic tool that could also provide objective assessment of healing for the comparison of different treatments. Cartilage Oligomeric Matrix Protein (COMP) has been used as a molecular marker for osteoarthritis in humans and horses but assays for the protein in tendon sheath synovial fluids have shown overlap between horses affected by tendinopathy and controls. We hypothesized that quantifying a COMP neoepitope would be more discriminatory of injury. COMP fragments were purified from synovial fluids of horses with intra-thecal tendon injuries and media from equine tendon explants, and mass spectrometry of a consistent and abundant fragment revealed a ~100 kDa COMP fragment with a new N-terminus at the 78th amino-acid (NH2-TPRVSVRP) located just outside the junctional region of the protein. A competitive inhibition ELISA based on a polyclonal antibody raised to this sequence yielded more than a 10-fold rise in the mean neoepitope levels for tendinopathy cases compared to controls (5.3 ± 1.3 µg/mL (n = 7) versus 58.8 ± 64.3 µg/mL (n = 13); p = 0.002). However, there was some cross-reactivity of the neoepitope polyclonal antiserum with intact COMP, which could be blocked by a peptide spanning the neoepitope. The modified assay demonstrated a lower concentration but a significant > 500-fold average rise with tendon injury (2.5 ± 2.2 ng/mL (n = 6) versus 1029.8 ± 2188.8 ng/ml (n = 14); p = 0.013). This neo-epitope assay therefore offers a potentially useful marker for clinical use.
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16
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Fernández-Puente P, González-Rodríguez L, Calamia V, Picchi F, Lourido L, Camacho-Encina M, Oreiro N, Rocha B, Paz-González R, Marina A, García C, Blanco FJ, Ruiz-Romero C. Analysis of Endogenous Peptides Released from Osteoarthritic Cartilage Unravels Novel Pathogenic Markers. Mol Cell Proteomics 2019; 18:2018-2028. [PMID: 31352363 PMCID: PMC6773562 DOI: 10.1074/mcp.ra119.001554] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 07/08/2019] [Indexed: 12/31/2022] Open
Abstract
Osteoarthritis (OA) is a pathology characterized by the loss of articular cartilage. In this study, we performed a peptidomic strategy to identify endogenous peptides (neopeptides) that are released from human osteoarthritic tissue, which may serve as disease markers. With this aim, secretomes of osteoarthritic and healthy articular cartilages obtained from knee and hip were analyzed by shotgun peptidomics. This discovery step led to the identification of 1175 different peptides, corresponding to 101 proteins, as products of the physiological or pathological turnover of cartilage extracellular matrix. Then, a targeted multiple reaction monitoring-mass spectrometry method was developed to quantify the panel of best marker candidates on a larger set of samples (n = 62). Statistical analyses were performed to evaluate the significance of the observed differences and the ability of the neopeptides to classify the tissue. Eight of them were differentially abundant in the media from wounded zones of OA cartilage compared with the healthy tissue (p < 0.05). Three neopeptides belonging to Clusterin and one from Cartilage Oligomeric Matrix Protein showed a disease-dependent decrease specifically in hip OA, whereas two from Prolargin (PRELP) and one from Cartilage Intermediate Layer Protein 1 were significantly increased in samples from knee OA. The release of one peptide from PRELP showed the best metrics for tissue classification (AUC = 0.834). The present study reveals specific neopeptides that are differentially released from knee or hip human osteoarthritic cartilage compared with healthy tissue. This evidences the intervention of characteristic pathogenic pathways in OA and provides a novel panel of peptidic candidates for biomarker development.
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MESH Headings
- Aged
- Aged, 80 and over
- Biomarkers/metabolism
- Cartilage, Articular/cytology
- Cartilage, Articular/metabolism
- Cartilage, Articular/pathology
- Case-Control Studies
- Cells, Cultured
- Chromatography, Liquid
- Culture Media, Conditioned/chemistry
- Extracellular Matrix/metabolism
- Female
- Humans
- Male
- Organ Specificity
- Osteoarthritis, Hip/metabolism
- Osteoarthritis, Hip/pathology
- Osteoarthritis, Knee/metabolism
- Osteoarthritis, Knee/pathology
- Peptides/metabolism
- Proteomics/methods
- Tandem Mass Spectrometry
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Affiliation(s)
- Patricia Fernández-Puente
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain.; Agrupación Estratégica CICA - INIBIC, Universidade da Coruña, 15071 A Coruña, Spain
| | - Lucía González-Rodríguez
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain
| | - Valentina Calamia
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain
| | - Florencia Picchi
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain
| | - Lucía Lourido
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain
| | - María Camacho-Encina
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain
| | - Natividad Oreiro
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain
| | - Beatriz Rocha
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain
| | - Rocío Paz-González
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain
| | - Anabel Marina
- Centro de Biología Molecular Severo Ochoa, CSIC. Nicolás Cabrera, 1, 28049 Madrid, Spain
| | - Carlos García
- Centro de Biología Molecular Severo Ochoa, CSIC. Nicolás Cabrera, 1, 28049 Madrid, Spain
| | - Francisco J Blanco
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain.; Departamento de Medicina, Fisioterapia y Ciencias Biomédicas. Universidade da Coruña, 15006 A Coruña, Spain.; RIER-RED de Inflamación y Enfermedades Reumáticas, INIBIC-CHUAC, As Xubias 84, 15006 A Coruña, Spain.
| | - Cristina Ruiz-Romero
- Proteomics Unit-PBR2-ProteoRed/ISCIII, Grupo de Investigación de Reumatología (GIR). Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), SERGAS. As Xubias, 84, 15006 A Coruña, Spain.; CIBER-BBN Instituto de Salud Carlos III INIBIC-CHUAC As Xubias 84, 15006 A Coruna, Spain.
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17
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Ekman S, Lindahl A, Rüetschi U, Jansson A, Björkman K, Abrahamsson-Aurell K, Björnsdóttir S, Löfgren M, Hultén LM, Skiöldebrand E. Effect of circadian rhythm, age, training and acute lameness on serum concentrations of cartilage oligomeric matrix protein (COMP) neo-epitope in horses. Equine Vet J 2019; 51:674-680. [PMID: 30739342 PMCID: PMC6767518 DOI: 10.1111/evj.13082] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Accepted: 02/01/2019] [Indexed: 01/05/2023]
Abstract
Background Molecular serum markers that can identify early reversible osteoarthritis (OA) in horses are lacking. Objectives We studied serum concentrations of a novel cartilage oligomeric matrix protein (COMP) neo‐epitope in horses subjected to short‐term exercise and with acute lameness. The effects of circadian rhythm and age were also evaluated. Study design Longitudinal studies in healthy horses and cross‐sectional comparison of lame and non‐lame horses. Methods Sera were collected from five horses before and after short‐term interval exercise and during full‐day box rest. Sera from 32 acutely lame horses were used to evaluate age‐related effects. Independent samples from control horses (n = 41) and horses with acute lameness (n = 71) were included. COMP neo‐epitope concentrations were analysed using custom‐developed inhibition ELISAs validated for equine serum. The presence of COMP neo‐epitope was delineated in healthy and osteoarthritic articular cartilage with immunohistochemistry. Results COMP neo‐epitope concentrations decreased after speed training but returned to baseline levels post‐exercise. No correlations between age and serum COMP neo‐epitope concentrations were found (r = 0.0013). The mean (±s.d.) serum concentration of COMP neo‐epitope in independent samples from non‐lame horses was 0.84 ± 0.38 μg/mL, and for lame horses was 5.24 ± 1.83 μg/mL (P<0.001). Antibodies against COMP neo‐epitope did not stain normal articular cartilage, but intracytoplasmic staining was found in superficial chondrocytes of mild OA cartilage and in the extracellular matrix of moderately osteoarthritic cartilage. Main limitations ELISA was based on polyclonal antisera rather than a monoclonal antibody. There is a sex and breed bias within the groups of horses, also it could have been of value to include horses with septic arthritis and tendonitis and investigated joint differences. Conclusions This COMP neo‐epitope can be measured in sera, and results indicate that it could be a biomarker for pathologic fragmentation of cartilage in connection with acute joint lameness.
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Affiliation(s)
- S Ekman
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - A Lindahl
- Department of Clinical Chemistry and Transfusion Medicine, Institute of Biomedicine, Sahlgrenska University Hospital, Gothenburg University, Gothenburg, Sweden
| | - U Rüetschi
- Department of Clinical Chemistry and Transfusion Medicine, Institute of Biomedicine, Sahlgrenska University Hospital, Gothenburg University, Gothenburg, Sweden
| | - A Jansson
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - K Björkman
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | | | - S Björnsdóttir
- Agricultural University of Iceland, Hvanneyri, Borgarnes, Saudarkrokur, Iceland
| | - M Löfgren
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - L Mattsson Hultén
- Department of Molecular and Clinical Medicine, Wallenberg Laboratory, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - E Skiöldebrand
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden.,Department of Clinical Chemistry and Transfusion Medicine, Institute of Biomedicine, Sahlgrenska University Hospital, Gothenburg University, Gothenburg, Sweden
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18
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Peffers MJ, Smagul A, Anderson JR. Proteomic analysis of synovial fluid: current and potential uses to improve clinical outcomes. Expert Rev Proteomics 2019; 16:287-302. [PMID: 30793992 DOI: 10.1080/14789450.2019.1578214] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Synovial fluid (SF) is in close proximity to tissues which are primarily altered during articular disease and has significant potential to better understand the underlying disease pathogeneses of articular pathologies and biomarker discovery. Although development of mass spectrometry-based methods has allowed faster and higher sensitivity techniques, interrogation of the SF proteome has been hindered by its large protein concentration dynamic range, impeding quantification of lower abundant proteins. Areas covered: Recent advances have developed methodologies to reduce the large protein concentration dynamic range of SF and subsequently allow deeper exploration of the SF proteome. This review concentrates on methods to overcome biofluid complexity, mass spectrometry proteomics methodologies, extracellular vesicles proteomics and the application of advances within the field in clinical disease, including osteoarthritis, rheumatoid arthritis, spondyloarthritis and juvenile arthritis. A narrative review was conducted with articles searched using PubMed, 1991-2018. Expert opinion: The SF proteomics field faces various challenges, including the requirement for rigorous and standardised methods of sample collection/storage, the sensitivity and specificity of proteomic assays, techniques to combat the large protein concentration dynamic range and comprehensive data analysis to reduce falsely identified markers. Additionally, there are challenges in developing multi 'omic' integration techniques, with computational integration enhancing analysis.
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Affiliation(s)
- Mandy Jayne Peffers
- a Comparative Musculoskeletal Biology, Institute of Ageing and Chronic Disease , University of Liverpool , Liverpool , UK
| | - Aibek Smagul
- a Comparative Musculoskeletal Biology, Institute of Ageing and Chronic Disease , University of Liverpool , Liverpool , UK
| | - James Ross Anderson
- a Comparative Musculoskeletal Biology, Institute of Ageing and Chronic Disease , University of Liverpool , Liverpool , UK
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19
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Laudon J, Whittaker JL, Ren G, Jaremko JL, Emery CA, Krawetz RJ. Serum cartilage oligomeric matrix protein (COMP) expression in individuals who sustained a youth sport-related intra-articular knee injury 3-10 years previously and uninjured matched controls. Osteoarthritis Cartilage 2019; 27:286-293. [PMID: 30317002 DOI: 10.1016/j.joca.2018.09.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 09/22/2018] [Accepted: 09/26/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This study investigates the relationship between a youth sport-related intra-articular knee injury and cartilage oligomeric matrix protein (COMP), a biomarker of cartilage turnover. DESIGN Participants included a sub-sample (n = 170) of the Alberta Youth Prevention of Early Osteoarthritis (PrE-OA) study group. Specifically, 85 individuals with a 3-10 year history of sport-related intra-articular knee injury and 85 age, sex and sport-matched controls. COMP levels were investigated in serum. Between group differences in COMP levels, COMP fragmentation patterns and, the relationship between serum COMP and clinical outcomes (i.e., Magnetic Resonance Imaging (MRI) Osteoarthritis Knee Score; MOAKS, Knee Osteoarthritis Outcome Score; KOOS, Fat mass index; FMI) were examined. RESULTS Participant median age was 22.3 years (range 16-26) and 63% were female. Although there was no difference in COMP levels between previously injured and uninjured females, previously injured males demonstrated an ∼15% greater (171.5 ng/ml, 95% CI 11.0-428.0, P = 0.04) serum COMP level than uninjured males. However after controlling for FMI, this difference was absent. Within the injured participants, COMP levels were associated with MOAKSSYNOVITIS and FMI. Furthermore, COMP fragmentation patterns were distinct between injured and uninjured individuals. CONCLUSIONS In this study group, serum COMP levels were greater in injured males, but not females, compared to matched controls. However, after controlling for FMI, no differences in COMP were observed. A unique COMP fragmentation pattern was observed in injured vs uninjured participants. These results further the hypothesis that COMP levels and/or degradation of the protein may be a marker of cartilage injury which could predispose to later OA.
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Affiliation(s)
- J Laudon
- Faculty of Kinesiology, Sport Injury Prevention Research Centre, University of Calgary, Calgary, Alberta, Canada.
| | - J L Whittaker
- Faculty of Kinesiology, Sport Injury Prevention Research Centre, University of Calgary, Calgary, Alberta, Canada; Faculty of Rehabilitation Medicine, Department of Physical Therapy, University of Alberta, Edmonton, Alberta, Canada; Glen Sather Sports Medicine Clinic, University of Alberta, Edmonton, Alberta, Canada.
| | - G Ren
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, Alberta, Canada.
| | - J L Jaremko
- Department of Radiology and Diagnostic Imaging, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.
| | - C A Emery
- Faculty of Kinesiology, Sport Injury Prevention Research Centre, University of Calgary, Calgary, Alberta, Canada; Department of Pediatrics, Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; McCaig Institute for Bone & Joint Health, University of Calgary, Calgary, Alberta, Canada.
| | - R J Krawetz
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, Alberta, Canada; McCaig Institute for Bone & Joint Health, University of Calgary, Calgary, Alberta, Canada; Department of Cell Biology and Anatomy, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; The D-BOARD European Consortium for Biomarker Discovery, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK.
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20
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Struglics A, Larsson S, Pramhed A, Frobell R, Swärd P. Changes in synovial fluid and serum concentrations of cartilage oligomeric matrix protein over 5 years after anterior cruciate ligament rupture: an exploratory analysis in the KANON trial. Osteoarthritis Cartilage 2018; 26:1351-1358. [PMID: 29958916 DOI: 10.1016/j.joca.2018.06.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 05/31/2018] [Accepted: 06/12/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To monitor longitudinal changes of cartilage oligomeric matrix protein (COMP) in synovial fluid (sf) and serum (s) over 5 years after acute anterior cruciate ligament (ACL) rupture, and to compare results from two commercial COMP immunoassays. DESIGN Bio-fluids were collected from 121 patients on six occasions over 5 years after acute ACL injury, and from 25 knee healthy reference subjects. Concentrations of sf- and sCOMP were measured by AnaMar (sCOMP-Ana) and by BioVendor (sf- and sCOMP-Bio) immunoassays; other biomarkers were previously assessed. We used ANCOVA for group comparisons and linear mixed models for associations between biomarkers over 5-years with P < 0.05 considered a statistically significant difference or association. RESULTS Compared to the reference group, sfCOMP-Bio concentrations were 2-fold elevated within 6 weeks after ACL injury and remained elevated 5 years thereafter, whereas sCOMP-Bio and sCOMP-Ana concentrations were no different from reference levels at any time point. Over the 5-year period, there was an association between sCOMP-Bio and sCOMP-Ana concentrations, although neither sCOMP-Bio nor sCOMP-Ana associated with sfCOMP-Bio. sfCOMP-Bio associated with SF ARGS-aggrecan, urine type I and II collagens (uNTX-I and uCTX-II) and SF cytokines, while sCOMP-Bio associated inversely with uCTX-II, uNTX-I and SF cytokines. CONCLUSION The local process after an acute ACL injury generates increased SF COMP concentrations in the injured knee up to 5 years after injury. This response is not detected in serum. Discrepancies in associations between sCOMP measured by BioVendor and AnaMar immunoassays with other biomarkers indicate differences in detected COMP fragments.
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Affiliation(s)
- A Struglics
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Lund, Sweden.
| | - S Larsson
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Lund, Sweden.
| | | | - R Frobell
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Lund, Sweden.
| | - P Swärd
- Lund University, Faculty of Medicine, Department of Clinical Sciences Lund, Orthopaedics, Lund, Sweden.
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Silawal S, Triebel J, Bertsch T, Schulze-Tanzil G. Osteoarthritis and the Complement Cascade. CLINICAL MEDICINE INSIGHTS. ARTHRITIS AND MUSCULOSKELETAL DISORDERS 2018; 11:1179544117751430. [PMID: 29434479 PMCID: PMC5805003 DOI: 10.1177/1179544117751430] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 12/07/2017] [Indexed: 12/11/2022]
Abstract
Accumulating evidence demonstrates that complement activation is involved in the pathogenesis of osteoarthritis (OA). However, the intimate complement regulation and cross talk with other signaling pathways in joint-associated tissues remain incompletely understood. Recent insights are summarized and discussed here, to put together a more comprehensive picture of complement involvement in OA pathogenesis. Complement is regulated by several catabolic and inflammatory mediators playing a key role in OA. It seems to be involved in many processes observed during OA development and progression, such as extracellular cartilage matrix (ECM) degradation, chondrocyte and synoviocyte inflammatory responses, cell lysis, synovitis, disbalanced bone remodeling, osteophyte formation, and stem cell recruitment, as well as cartilage angiogenesis. In reverse, complement can be activated by various ECM components and their cleavage products, which are released during OA-associated cartilage degradation. There are, however, some other cartilage ECM components that can inhibit complement, underlining the diverse effects of ECM on the complement activation. It is hypothesized that complement might also be directly activated by mechanical stress, thereby contributing to OA. The question arises whether keeping the complement activation in balance could represent a future therapeutic strategy in OA treatment and in the prevention of its progression.
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Affiliation(s)
- Sandeep Silawal
- Department of Anatomy, Paracelsus Medical University, Nuremberg, Germany
- Institute of Anatomy, Paracelsus Medical University, Salzburg, Germany
| | - Jakob Triebel
- Institute for Clinical Chemistry, Laboratory Medicine and Transfusion Medicine, Nuremberg General Hospital, Paracelsus Medical University, Nuremberg, Germany
| | - Thomas Bertsch
- Institute for Clinical Chemistry, Laboratory Medicine and Transfusion Medicine, Nuremberg General Hospital, Paracelsus Medical University, Nuremberg, Germany
| | - Gundula Schulze-Tanzil
- Department of Anatomy, Paracelsus Medical University, Nuremberg, Germany
- Institute of Anatomy, Paracelsus Medical University, Salzburg, Germany
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22
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Ourradi K, Sharif M. Opportunities and challenges for the discovery and validation of proteomic biomarkers for common arthritic diseases. Biomark Med 2017; 11:877-892. [PMID: 28976778 DOI: 10.2217/bmm-2016-0374] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Osteoarthritis (OA) and rheumatoid arthritis (RA) are most prevalent among all the rheumatic diseases, and currently, there are no reliable biochemical measures for early diagnosis or for predicting who is likely to progress. Early diagnosis is important for making decisions on treatment options and for better management of patients. This narrative review highlights the first-generation biomarkers identified over the last two decades and focuses on the discovery and validation of candidate OA biomarkers from recent mass-spectrometry-based proteomic studies for diagnosis and monitoring disease outcomes in human. It discusses the challenges and opportunities for discovery of novel biomarkers and progress in the development of techniques for measuring biomarkers, and provides directions for future discovery and validation of biomarkers for OA and rheumatoid arthritis.
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Affiliation(s)
- Khadija Ourradi
- Musculoskeletal Research Unit, Translational Health Sciences Bristol Medical School, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol BS10 5NB, UK
| | - Mohammed Sharif
- Musculoskeletal Research Unit, Translational Health Sciences Bristol Medical School, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol BS10 5NB, UK
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Lorenzo P, Aspberg A, Saxne T, Önnerfjord P. Quantification of cartilage oligomeric matrix protein (COMP) and a COMP neoepitope in synovial fluid of patients with different joint disorders by novel automated assays. Osteoarthritis Cartilage 2017; 25:1436-1442. [PMID: 28473207 DOI: 10.1016/j.joca.2017.04.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 03/13/2017] [Accepted: 04/22/2017] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To develop automated immunoassays for the quantification of Cartilage Oligomeric Matrix Protein (COMP) and a COMP neoepitope in synovial fluid and to investigate their diagnostic potential in different joint conditions. METHODS Two sandwich immunoassays were developed for the quantification of COMP and a COMP neoepitope, using an automated analyser (IDS-iSYS, Immunodiagnostic Systems, Boldon, UK). Assay performance was evaluated in terms of sensitivity, recovery, linearity, and intra- and inter-assay precision. Clinical performance was evaluated by analysing synovial fluid from patients diagnosed with rheumatoid arthritis (RA), reactive arthritis (ReA), osteoarthritis (OA) or acute trauma (AT). RESULTS Both automated assays showed good performance for all parameters tested. Quantification of these biomarkers showed the highest median values for Total COMP in the OA group, followed by the AT group, the ReA group, and the RA group. For the COMP neoepitope the AT group showed the highest median value, followed by the ReA group, the OA group, and the RA group. The ratio COMP neoepitope/Total COMP showed distinct differences between the patients groups, as well as between RA patients with slow or rapid progression of joint damage. CONCLUSIONS The newly developed automated assays have a good technical performance, can reliably quantify different epitopes on the COMP molecule and show different levels of the two biomarkers in synovial fluid in patients with different joint diseases. The combination of these two assays, measuring their ratio, shows promise for early detection of patients with RA with different prognosis regarding progression of joint damage.
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Affiliation(s)
- P Lorenzo
- Lund University, Department of Clinical Sciences Lund, Section for Rheumatology and Molecular Skeletal Biology, BMC-C12, 22184 Lund, Sweden.
| | - A Aspberg
- Lund University, Department of Clinical Sciences Lund, Section for Rheumatology and Molecular Skeletal Biology, BMC-C12, 22184 Lund, Sweden.
| | - T Saxne
- Lund University, Department of Clinical Sciences Lund, Section for Rheumatology and Molecular Skeletal Biology, BMC-C12, 22184 Lund, Sweden.
| | - P Önnerfjord
- Lund University, Department of Clinical Sciences Lund, Section for Rheumatology and Molecular Skeletal Biology, BMC-C12, 22184 Lund, Sweden.
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Serum and synovial cartilage oligomeric matrix protein levels in early and established rheumatoid arthritis. Z Rheumatol 2017; 75:917-923. [PMID: 26683321 DOI: 10.1007/s00393-015-1647-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVE To assess cartilage oligomeric matrix protein (COMP) levels in serum and synovial fluid in patients with early and established rheumatoid arthritis (RA), and to correlate the levels with clinical, laboratory and radiological characteristics. PATIENTS AND METHODS The study included 24 female RA patients. Full medical history was taken, thorough clinical examination and laboratory investigations performed, and body mass index (BMI) recorded. Radiological damage was assessed according to the modified Larsen score. Disease activity score 28 (DAS28) was calculated. The control group comprised 30 age- and gender-matched healthy subjects. Serum and synovial COMP levels were determined by enzyme-linked immunosorbent assay (ELISA). RESULTS Mean patient age was 44.04 ± 10.5 years. Of the 24 patients, 12 had early RA and 12 had established disease with joint destruction; 5 of each group had knee effusion. Serum COMP was significantly higher in patients (19.54 ± 5.47 µg/ml) compared to controls (5.93 ± 1.95 µg/ml; p < 0.001) and was also significantly higher in patients with established disease (23.9 ± 3.1 µg/ml) compared to those in early stages (15.1 ± 3.2 µg/ml; p < 0.001). Synovial COMP was also significantly increased in established compared to early-stage RA (31.2 ± 9.8 µg/ml vs. 51.6 ± 10.4 µg/ml; p = 0.013). Serum and synovial COMP significantly correlated with age, disease duration, BMI, DAS28 and modified Larsen score. On performing regression analysis in RA patients, only BMI could predict the serum level of COMP (p = 0.02). CONCLUSION COMP is a promising biomarker for disease activity in RA, making it a potential therapeutic target. The obvious correlation with the BMI throws light on the importance of weight control not only in osteoarthritis (OA), but also in RA.
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Cartilage Oligomeric Matrix Protein Levels in Synovial Fluid in Patients With Primary Knee Osteoarthritis And Healthy Controls: A Preliminary Comparative Analysis With Serum Cartilage Oligomeric Matrix Protein. Arch Rheumatol 2017; 32:189-196. [PMID: 29901020 DOI: 10.5606/archrheumatol.2017.6220] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 12/27/2016] [Indexed: 11/21/2022] Open
Abstract
Objectives This study aims (i) to compare synovial fluid and serum cartilage oligomeric matrix protein levels in patients with primary knee osteoarthritis and healthy controls, (ii) compare variations of synovial fluid and serum cartilage oligomeric matrix protein levels according to sex, Kellgren-Lawrence grades, and daytime sampling, and (iii) correlate the synovial fluid and serum cartilage oligomeric matrix protein levels with age, severity of disease, and daytime sampling. Patients and methods One hundred and twenty-four individuals (44 males, 80 females; median age 66 years; range 42 to 87 years) were diagnosed with primary knee osteoarthritis according to the American College of Rheumatology guidelines. Additionally, 105 healthy healthy individuals (49 males, 56 females; median age 50 years; range 30 to 75 years) were included as the control group. For both groups, a thorough clinical history and physical examination were performed. Moreover, weight-bearing anteroposterior and lateral bending 30 degrees knee X-rays were collected. Cartilage oligomeric matrix protein in serum and synovial fluid was measured by enzyme-linked immunosorbent assay. Results Total synovial fluid cartilage oligomeric matrix protein levels were considerably higher than total serum levels for both groups. Levels of cartilage oligomeric matrix protein in synovial fluid and serum were higher in patients than in controls for both sexes. However, only cartilage oligomeric matrix protein levels in synovial fluid were higher in female patients. The levels of synovial fluid cartilage oligomeric matrix protein were significantly higher when sampling after 12 pm. A positive correlation was found between synovial fluid and serum cartilage oligomeric matrix protein levels, age, and daytime sampling. Conclusion These findings may suggest a possible role for synovial fluid and serum cartilage oligomeric matrix protein as a measure for primary knee osteoarthritis. However, more studies need to be performed to address other factors that may influence the levels of cartilage oligomeric matrix protein in synovial fluid and serum.
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Skiöldebrand E, Ekman S, Mattsson Hultén L, Svala E, Björkman K, Lindahl A, Lundqvist A, Önnerfjord P, Sihlbom C, Rüetschi U. Cartilage oligomeric matrix protein neoepitope in the synovial fluid of horses with acute lameness: A new biomarker for the early stages of osteoarthritis. Equine Vet J 2017; 49:662-667. [PMID: 28097685 PMCID: PMC5573946 DOI: 10.1111/evj.12666] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 12/19/2016] [Accepted: 01/04/2017] [Indexed: 12/23/2022]
Abstract
Background Clinical tools to diagnose the early changes of osteoarthritis (OA) that occur in the articular cartilage are lacking. Objectives We sought to identify and quantify a novel cartilage oligomeric matrix protein (COMP) neoepitope in the synovial fluid from the joints of healthy horses and those with different stages of OA. Study design In vitro quantitative proteomics and assay development with application in synovial fluids samples obtained from biobanks of well‐characterised horses. Methods Articular cartilage explants were incubated with or without interleukin‐1β for 25 days. Media were analysed via quantitative proteomics. Synovial fluid was obtained from either normal joints (n = 15) or joints causing lameness (n = 17) or with structural OA lesions (n = 7) and analysed for concentrations of the COMP neoepitope using a custom‐developed inhibition enzyme‐linked immunosorbent assay (ELISA). Explants were immunostained with polyclonal antibodies against COMP and the COMP neoepitopes. Results Semitryptic COMP peptides were identified and quantified in cell culture media from cartilage explants. A rabbit polyclonal antibody was raised against the neoepitope of the N‐terminal portion of one COMP fragment (sequence SGPTHEGVC). An inhibition ELISA was developed to quantify the COMP neoepitope in synovial fluid. The mean concentration of the COMP neoepitope significantly increased in the synovial fluid from the joints responsible for acute lameness compared with normal joints and the joints of chronically lame horses and in joints with chronic structural OA. Immunolabelling for the COMP neoepitope revealed a pericellular staining in the interleukin‐1β‐stimulated explants. Main limitations The ELISA is based on polyclonal antisera rather than a monoclonal antibody. Conclusions The increase in the COMP neoepitope in the synovial fluid from horses with acute lameness suggests that this neoepitope has the potential to be a unique candidate biomarker for the early molecular changes in articular cartilage associated with OA.
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Affiliation(s)
- E Skiöldebrand
- Department of Clinical Chemistry and Transfusion Medicine, Institute of Biomedicine, Sahlgrenska University Hospital, Gothenburg University, Gothenburg, Sweden.,Division of Pathology, Pharmacology and Toxicology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - S Ekman
- Division of Pathology, Pharmacology and Toxicology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - L Mattsson Hultén
- Department of Clinical Chemistry, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - E Svala
- Department of Clinical Chemistry and Transfusion Medicine, Institute of Biomedicine, Sahlgrenska University Hospital, Gothenburg University, Gothenburg, Sweden.,Division of Pathology, Pharmacology and Toxicology, Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - K Björkman
- Department of Clinical Chemistry, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - A Lindahl
- Department of Clinical Chemistry and Transfusion Medicine, Institute of Biomedicine, Sahlgrenska University Hospital, Gothenburg University, Gothenburg, Sweden
| | - A Lundqvist
- Department of Clinical Chemistry, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - P Önnerfjord
- Section for Rheumatology and Molecular Skeletal Biology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
| | - C Sihlbom
- Proteomics Core Facility, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
| | - U Rüetschi
- Department of Clinical Chemistry and Transfusion Medicine, Institute of Biomedicine, Sahlgrenska University Hospital, Gothenburg University, Gothenburg, Sweden
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Quantitative proteomics analysis of cartilage response to mechanical injury and cytokine treatment. Matrix Biol 2016; 63:11-22. [PMID: 27988350 DOI: 10.1016/j.matbio.2016.12.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Revised: 12/09/2016] [Accepted: 12/09/2016] [Indexed: 01/15/2023]
Abstract
Mechanical damage at the time of joint injury and the ensuing inflammatory response associated with elevated levels of pro-inflammatory cytokines in the synovial fluid, are reported to contribute to the progression to osteoarthritis after injury. In this exploratory study, we used a targeted proteomics approach to follow the progression of matrix degradation in response to mechanical damage and cytokine treatment of human knee cartilage explants, and thereby to study potential molecular biomarkers. This proteomics approach allowed us to unambiguously identify and quantify multiple peptides and proteins in the cartilage medium and explants upon treatment with ±injurious compression ±cytokines, treatments that mimic the earliest events in post-traumatic OA. We followed degradation of different protein domains, e.g., G1/G2/G3 of aggrecan, by measuring representative peptides of matrix proteins released into the medium at 7 time points throughout the 21-day culture period. COMP neo-epitopes, which were previously identified in the synovial fluid of knee injury/OA patients, were also released by these human cartilage explants treated with cyt and cyt+inj. The absence of collagen pro-peptides and elevated levels of specific COMP and COL3A1 neo-epitopes after human knee trauma may be relevant as potential biomarkers for post-traumatic OA. This model system thereby enables study of the kinetics of cartilage degradation and the identification of biomarkers within cartilage explants and those released to culture medium. Discovery proteomics revealed that candidate proteases were identified after specific treatment conditions, including MMP1, MMP-3, MMP-10 and MMP-13.
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28
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Magdaleno F, Arriazu E, Ruiz de Galarreta M, Chen Y, Ge X, Conde de la Rosa L, Nieto N. Cartilage oligomeric matrix protein participates in the pathogenesis of liver fibrosis. J Hepatol 2016; 65:963-971. [PMID: 27318326 PMCID: PMC5831373 DOI: 10.1016/j.jhep.2016.06.003] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Revised: 05/30/2016] [Accepted: 06/08/2016] [Indexed: 12/20/2022]
Abstract
BACKGROUND & AIMS Liver fibrosis is characterized by significant accumulation of extracellular matrix (ECM) proteins, mainly fibrillar collagen-I, as a result of persistent liver injury. Cartilage oligomeric matrix protein (COMP) is largely found in the ECM of skeletal tissue. Increased COMP expression has been associated with fibrogenesis in systemic sclerosis, lung fibrosis, chronic pancreatitis, cirrhosis and hepatocellular carcinoma. We hypothesized that COMP could induce fibrillar collagen-I deposition and participate in matrix remodeling thus contributing to the pathophysiology of liver fibrosis. METHODS Thioacetamide (TAA) and carbon tetrachloride (CCl4) were used to induce liver fibrosis in wild-type (WT) and Comp-/- mice. In vitro experiments were performed with primary hepatic stellate cells (HSCs). RESULTS COMP expression was detected in livers from control WT mice and was upregulated in response to either TAA or CCl4-induced liver fibrosis. TAA-treated or CCl4-injected Comp-/- mice showed less liver injury, inflammation and fibrosis compared to their corresponding control WT mice. Challenge of HSCs with recombinant COMP (rCOMP) induced intra- plus extracellular collagen-I deposition and increased matrix metalloproteinases (MMPs) 2, 9 and 13, albeit similar expression of transforming growth factor beta (TGFβ) protein, in addition to Tgfβ, tumour necrosis factor alpha (Tnfα) and tissue inhibitor of metalloproteinases-1 (Timp1) mRNAs. We demonstrated that COMP binds collagen-I; yet, it does not prevent collagen-I cleavage by MMP1. Last, rCOMP induced collagen-I expression in HSCs via CD36 receptor signaling and activation of the MEK1/2-pERK1/2 pathway. CONCLUSION These results suggest that COMP contributes to liver fibrosis by regulating collagen-I deposition. LAY SUMMARY Cartilage oligomeric matrix protein (COMP) induces fibrillar collagen-I deposition via the CD36 receptor signaling and activation of the MEK1/2-pERK1/2 pathway, and participates in extracellular matrix remodeling contributing to the pathophysiology of liver fibrosis.
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Affiliation(s)
- Fernando Magdaleno
- Division of Liver Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, Box 1123, 1425 Madison Avenue, Room 11-70, New York, NY 10029, USA; Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Elena Arriazu
- Division of Liver Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, Box 1123, 1425 Madison Avenue, Room 11-70, New York, NY 10029, USA
| | - Marina Ruiz de Galarreta
- Division of Liver Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, Box 1123, 1425 Madison Avenue, Room 11-70, New York, NY 10029, USA
| | - Yu Chen
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Xiaodong Ge
- Division of Liver Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, Box 1123, 1425 Madison Avenue, Room 11-70, New York, NY 10029, USA; Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA
| | - Laura Conde de la Rosa
- Division of Liver Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, Box 1123, 1425 Madison Avenue, Room 11-70, New York, NY 10029, USA
| | - Natalia Nieto
- Division of Liver Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, Box 1123, 1425 Madison Avenue, Room 11-70, New York, NY 10029, USA; Department of Pathology, University of Illinois at Chicago, 840 S. Wood St., Suite 130 CSN, MC 847, Chicago, IL 60612, USA.
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Melin Fürst C, Åhrman E, Bratteby K, Waldemarson S, Malmström J, Blom AM. Quantitative Mass Spectrometry To Study Inflammatory Cartilage Degradation and Resulting Interactions with the Complement System. THE JOURNAL OF IMMUNOLOGY 2016; 197:3415-3424. [PMID: 27630166 DOI: 10.4049/jimmunol.1601006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 08/14/2016] [Indexed: 12/25/2022]
Abstract
Joint diseases are often characterized by inflammatory processes that result in pathological changes in joint tissues, including cartilage degradation and release of components into the synovial fluid. The complement system plays a central role in promoting the inflammation. Because several cartilage proteins are known to interact with complement, causing either activation or inhibition of the system, we aimed to investigate these interactions comprehensively. Bovine cartilage explants were cultured with IL-1α to induce cartilage degradation, followed by incubation with human serum. Label-free selected reaction monitoring mass spectrometry was used to specifically quantify complement proteins interacting with the cartilage explant. In parallel, the time-dependent degradation of cartilage was detected using mass spectrometry analysis (liquid chromatography-tandem mass spectrometry). Complement proteins resulting from activation of the classical, alternative, and terminal pathways were detected on IL-1α-stimulated cartilage at time points when clear alterations in extracellular matrix composition had occurred. Increased levels of the complement activation product C4d, as detected by ELISA in serum after incubation with IL-1α-stimulated cartilage, confirmed the selected reaction monitoring results indicating complement activation. Further, typical activated (cleaved) C3 fragments were detected by Western blotting in extracts of IL-1α-stimulated cartilage. No complement activation was triggered by cartilage cultured in the absence of IL-1α. Components released from IL-1α-stimulated cartilage during culture had an inhibitory effect on complement activation. These were released after a longer incubation period with IL-1α and may represent a feedback reaction to cartilage-triggered complement activation observed after a shorter incubation period.
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Affiliation(s)
- Camilla Melin Fürst
- Division of Medical Protein Chemistry, Department of Translational Medicine, Lund University, S-205 02 Malmö, Sweden
| | - Emma Åhrman
- Division of Infection Medicine, Department of Clinical Sciences Lund, Lund University, S-221 84 Lund, Sweden; and
| | - Klas Bratteby
- Division of Medical Protein Chemistry, Department of Translational Medicine, Lund University, S-205 02 Malmö, Sweden
| | - Sofia Waldemarson
- Department of Immunotechnology, Lund University, S-223 81 Lund, Sweden
| | - Johan Malmström
- Division of Infection Medicine, Department of Clinical Sciences Lund, Lund University, S-221 84 Lund, Sweden; and
| | - Anna M Blom
- Division of Medical Protein Chemistry, Department of Translational Medicine, Lund University, S-205 02 Malmö, Sweden;
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Bay-Jensen AC, Reker D, Kjelgaard-Petersen CF, Mobasheri A, Karsdal MA, Ladel C, Henrotin Y, Thudium CS. Osteoarthritis year in review 2015: soluble biomarkers and the BIPED criteria. Osteoarthritis Cartilage 2016; 24:9-20. [PMID: 26707988 DOI: 10.1016/j.joca.2015.10.014] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 10/16/2015] [Accepted: 10/21/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To review and summarize biomarker data published from April 2014 to May 2015 to provide insight to the ongoing work in the field of osteoarthritis (OA). Furthermore, to summarize the BIPED criteria and set it in context of the medical needs of 2015. METHODS PubMed was used as searching machine: Time period 2014/04/01-2015/05/01, MeSH term [Biomarker] AND [Osteoarthritis], Language; English, Full text available. Reviews were excluded. Only papers describing protein based biomarkers measured in human body fluids from OA patients were included. RESULTS Biomarkers of joint tissue turnover, cytokines, chemokines and peptide arrays were measured in different cohorts and studies. Amongst those were previously tested biomarkers such as osteocalcin, Carboxy-terminal cross-linked fragment of type II collagen (CTX-II) and cartilage oligomeric matrix protein (COMP). A majority of the biomarker were classified as I, B or B biomarkers according to the BIPED criteria. Work is continuing on testing biomarkers in OA. There is still a huge, unmet medical need to identify, test, validate and qualify novel and well-known biomarkers. A pre-requisite for this is better characterization and classification of biomarkers to their needs, which may not be reached before higher understanding of OA phenotypes has been gained. In addition, we provide some references to some recent guidelines from Food and Drug Administration (FDA) and European Medicines Agency (EMA) on qualification and usage of biomarkers for drug development and personalized medicine, which may provide value to the field.
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Affiliation(s)
- A C Bay-Jensen
- Rheumatology, Biomarkers and Research, Nordic Bioscience, Herlev, Denmark.
| | - D Reker
- Rheumatology, Biomarkers and Research, Nordic Bioscience, Herlev, Denmark
| | | | - A Mobasheri
- Faculty of Health and Medical Sciences, University of Surrey, United Kingdom; Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Arthritis Research UK Pain Centre, Medical Research Council and Arthritis Research UK Centre for Musculoskeletal Ageing Research, University of Nottingham, United Kingdom; Center of Excellence in Genomic Medicine Research (CEGMR), King Fahd Medical Research Center (KFMRC), King AbdulAziz University, Jeddah, Saudi Arabia
| | - M A Karsdal
- Rheumatology, Biomarkers and Research, Nordic Bioscience, Herlev, Denmark
| | - C Ladel
- OA Research & Early Clinical Development, Merck KGaA, Darmstadt, Germany
| | - Y Henrotin
- Bone and Cartilage Research Unit, Arthropole Liège, University of Liège, Institute of Pathology, Liège, Belgium
| | - C S Thudium
- Rheumatology, Biomarkers and Research, Nordic Bioscience, Herlev, Denmark
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Peffers MJ, Thornton DJ, Clegg PD. Characterization of neopeptides in equine articular cartilage degradation. J Orthop Res 2016; 34:106-20. [PMID: 26124002 PMCID: PMC4737130 DOI: 10.1002/jor.22963] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 06/04/2015] [Indexed: 02/04/2023]
Abstract
Osteoarthritis is characterized by a loss of extracellular matrix that leads to cartilage degradation and joint space narrowing. Specific proteases, including the aggrecanases ADAMTS-4 and matrix metalloproteinase 3, are important in initiating and promoting cartilage degradation in osteoarthritis. This study investigated protease-specific and disease-specific cleavage patterns of particular extracellular matrix proteins by comparing new peptide fragments, neopeptides, in specific exogenous protease-driven digestion of a crude cartilage proteoglycan extract and an in-vitro model of early osteoarthritis. Additionally, equine cartilage explants were treated with interleukin-1 and the media collected. Proteolytic cleavage products following trypsin digestion were then identified using tandem mass spectrometry. Complete sequences of proteolytically cleaved neopeptides were determined for the major cartilage proteoglycans aggrecan, biglycan, decorin, fibromodulin plus cartilage oligomeric matrix protein. The generation of neopeptides varied with enzyme specificity; however, some peptides were common to all samples. Previous known and novel cleavage sites were identifies. The identification of novel peptide fragments provides a platform for the development of antibodies that could assist in the identification of biomarkers for osteoarthritis (OA), as well as the identification of basic biochemical processes underlying OA.
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Affiliation(s)
- Mandy Jayne Peffers
- Department of Musculoskeletal BiologyInstitute of Ageing and Chronic DiseaseUniversity of Liverpool, LeahurstChester High RoadNestonWirralCH64 7TEUK
| | - David James Thornton
- Wellcome Trust Centre for Cell Matrix ResearchFaculty of Life SciencesMichael Smith BuildingOxford RoadManchesterM13 9PTUK
| | - Peter David Clegg
- Department of Musculoskeletal BiologyInstitute of Ageing and Chronic DiseaseUniversity of Liverpool, LeahurstChester High RoadNestonWirralCH64 7TEUK
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