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Laus F, Gialletti R, Bazzano M, Laghi L, Dini F, Marchegiani A. Synovial Fluid Metabolome Can Differentiate between Healthy Joints and Joints Affected by Osteoarthritis in Horses. Metabolites 2023; 13:913. [PMID: 37623857 PMCID: PMC10456394 DOI: 10.3390/metabo13080913] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/25/2023] [Accepted: 08/02/2023] [Indexed: 08/26/2023] Open
Abstract
Osteoarthritis (OA) is a common cause of lameness in sport horses with a significant economic impact. The prevention of OA is crucial since no effective treatment is available. This study aimed to apply untargeted metabolomic analysis to investigate the differences in synovial fluid (SF) composition between healthy and OA-affected joints in horses. SF collected from healthy (n.8) and OA (n.11) horses was analyzed using H-NMR analysis. Metabolomic analysis allowed 55 different metabolites to be identified and quantified in SF samples. Nineteen metabolites were found to be differently concentrated in OA compared to control horses. Synovial fluids from the OC group were found to be higher in 1,3-dihydroxyacetone but lower in tryptophan, phenylalanine, tyrosine, uridine, creatinine, creatine, glycine, choline, asparagine, glutamine, arginine, 3-hydroxybutyrate, valine, 2-hydroxyisovalerate, α-ketoisovaleric acid, 3-methyl-2-oxovalerate, 3-hydroxyisobutyrate, isoleucine, and methionine compared to the controls. A variety of SF metabolites significantly changed following joint disease, demonstrating the complex mechanism underlying osteoarthritis in horses and highlighting the value of applying the metabolomic approach in clinical research.
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Affiliation(s)
- Fulvio Laus
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024 Macerata, Italy; (F.L.); (F.D.); (A.M.)
| | - Rodolfo Gialletti
- Department of Veterinary Medicine, University of Perugia, 06123 Perugia, Italy;
| | - Marilena Bazzano
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024 Macerata, Italy; (F.L.); (F.D.); (A.M.)
| | - Luca Laghi
- Centre of Foodomics, Department of Agro-Food Science and Technology, University of Bologna, 40100 Bologna, Italy;
| | - Fabrizio Dini
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024 Macerata, Italy; (F.L.); (F.D.); (A.M.)
| | - Andrea Marchegiani
- School of Biosciences and Veterinary Medicine, University of Camerino, 62024 Macerata, Italy; (F.L.); (F.D.); (A.M.)
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McParland TJ, Horne CR, Robertson JB, Schnabel LV, Nelson NC. Alterations to the synovial invaginations of the navicular bone are associated with pathology of both the navicular apparatus and distal interphalangeal joint when evaluated using high field MRI. Vet Radiol Ultrasound 2023; 64:9-17. [PMID: 35969227 PMCID: PMC10087238 DOI: 10.1111/vru.13140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 01/25/2023] Open
Abstract
Limited information exists regarding associations between distal interphalangeal joint (DIPJ) abnormalities and synovial invagination changes in the distal sesamoid (navicular) bone. This retrospective, analytical study aimed to measure specific characteristics of the synovial invaginations of the navicular bone to determine whether any single characteristic was associated with abnormalities in the DIPJ or navicular apparatus (NA) using high field MRI and a sample of 200 horses' feet. The DIPJ and NA were graded independently by three scorers. The grades were averaged, creating a global pathology score for the DIPJ, NA, and synovial invaginations. Higher global scores represented more severe pathology. The number of invaginations, depth of penetration, invagination shape, and cross-sectional area (CSA) of the largest invagination were recorded. Interobserver agreement was measured using Cohen's Kappa. Associations of global scores of the DIPJ and NA with individual invagination characteristics were assessed using linear mixed modeling. A significant relationship was found between the number of invaginations and global DIPJ score, with higher invagination numbers associated with higher DIPJ scores. For invagination depth and CSA, a significant relationship was noted with global scores of both the DIPJ and NA. Reliable relationships between the shape of synovial invaginations and global scores of DIPJ and NA were not found, likely due to poor interobserver scoring (0.305). These findings suggest that primary DIPJ disease and NA pathology should be considered when noticing alterations to navicular synovial invaginations on MRI. This contrasts traditional views that synovial invagination abnormalities are indicative solely of NA pathology.
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Affiliation(s)
- Thomas J McParland
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina, 27607, USA
| | - Caitlyn R Horne
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina, 27607, USA
| | - James B Robertson
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina, 27607, USA.,Office of Research, College of Veterinary Medicine, 1060 William Moore Drive, Raleigh, NC, 27607, USA
| | - Lauren V Schnabel
- Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina, 27607, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, NC, 27607, USA
| | - Nathan C Nelson
- Department of Molecular and Biomedical Sciences, College of Veterinary Medicine, North Carolina State University, 1060 William Moore Drive, Raleigh, North Carolina, 27607, USA
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Matheson A, Regmi SC, Martin-Alarcon L, Jay GD, Scott WM, Schmidt TA. Proteoglycan-4 and hyaluronan composition in synovial fluid and serum from clinical equine subjects: relationship to cartilage boundary lubrication and viscosity of synovial fluid. Connect Tissue Res 2021; 62:369-380. [PMID: 32306780 DOI: 10.1080/03008207.2020.1751140] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Purpose: In experimental models of equine joint-injury and osteoarthritis synovial fluid (SF) composition (proteoglycan-4, hyaluronan) can vary, along with changes to SF mechanical function (lubrication, viscosity). The study hypotheses were a) clinical equine joint-injury and disease results in altered SF composition and diminished mechanical function, and b) serum composition (proteoglycan-4 or hyaluronan) changes concurrently. The objectives were to characterize composition (proteoglycan-4, hyaluronan), and function of SF and serum from normal horses compared to clinical groups: osteoarthritis, acute-joint-injury, and osteochondrosis.Materials and Methods: Equine samples of SF (from various joints) and blood were collected at the point-of-care. Proteoglycan-4 concentrations were measured by amplified-luminescence-proximity-assay and enzyme-linked-immunosorbent-assay in SF and serum, respectively. Molecular-weight of hyaluronan was characterized by agarose-gel-electrophoresis, and concentrations were measured by enzyme-linked-immunosorbent-assay kit. Biomechanical function of SF was characterized by an in vitro cartilage-on-cartilage friction test, and viscosity test.Results: SF proteoglycan-4 concentration increased in acute-joint-injury (1185 ± 276 versus normal 205 ± 106 µg/mL, µ± SEM, p < 0.01), with increased percentage of lower molecular-weight hyaluronan in acute-joint-injury and osteochondrosis. SF and serum proteoglycan-4 concentrations were correlated in normal horses (r2 = 0.85, p < 0.05), but not in clinical groups. Cartilage-lubricating ability was unchanged, although steady-shear viscosity of acute-joint-injury SF decreased from normal.Conclusion: Composition of SF from cases of equine acute-joint-injury changed; both proteoglycan-4 concentration and hyaluronan molecular-weight were altered, with decreased SF viscosity, but no associated changes to serum. Serum proteoglycan-4 and hyaluronan concentrations alone may not be useful biomarkers for equine joint-injury or disease.
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Affiliation(s)
- Austyn Matheson
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada
| | - Suresh C Regmi
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada
| | | | - Gregory D Jay
- Department of Emergency Medicine - Warren Alpert Medical School & School of Engineering, Brown University, Providence, RI, USA
| | - W Michael Scott
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada.,Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Tannin A Schmidt
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, AB, Canada.,Biomedical Engineering Department, University of Connecticut Health Center, Farmington, CT, USA
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Anderson JR, Phelan MM, Foddy L, Clegg PD, Peffers MJ. Ex Vivo Equine Cartilage Explant Osteoarthritis Model: A Metabolomics and Proteomics Study. J Proteome Res 2020; 19:3652-3667. [PMID: 32701294 PMCID: PMC7476031 DOI: 10.1021/acs.jproteome.0c00143] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
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Osteoarthritis is an age-related
degenerative musculoskeletal disease
characterized by loss of articular cartilage, synovitis, and subchondral
bone sclerosis. Osteoarthritis pathogenesis is yet to be fully elucidated
with no osteoarthritis-specific biomarkers in clinical use. Ex vivo equine cartilage explants (n =
5) were incubated in tumor necrosis factor-α (TNF-α)/interleukin-1β
(IL-1β)-supplemented culture media for 8 days, with the media
removed and replaced at 2, 5, and 8 days. Acetonitrile metabolite
extractions of 8 day cartilage explants and media samples at all time
points underwent one-dimensional (1D) 1H nuclear magnetic
resonance metabolomic analysis, with media samples also undergoing
mass spectrometry proteomic analysis. Within the cartilage, glucose
and lysine were elevated following TNF-α/IL-1β treatment,
while adenosine, alanine, betaine, creatine, myo-inositol, and uridine
decreased. Within the culture media, 4, 4, and 6 differentially abundant
metabolites and 154, 138, and 72 differentially abundant proteins
were identified at 1–2, 3–5, and 6–8 days, respectively,
including reduced alanine and increased isoleucine, enolase 1, vimentin,
and lamin A/C following treatment. Nine potential novel osteoarthritis
neopeptides were elevated in the treated media. Implicated pathways
were dominated by those involved in cellular movement. Our innovative
study has provided insightful information on early osteoarthritis
pathogenesis, enabling potential translation for clinical markers
and possible new therapeutic targets.
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Affiliation(s)
- James R Anderson
- Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, U.K
| | - Marie M Phelan
- NMR Metabolomics Facility, Technology Directorate & Department of Biochemistry & Systems Biology, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K
| | - Laura Foddy
- School of Veterinary Science, Institute of Infection, Veterinary & Ecological Sciences, University of Liverpool, Liverpool L69 3GH, U.K
| | - Peter D Clegg
- Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, U.K
| | - Mandy J Peffers
- Musculoskeletal and Ageing Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, U.K
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Bourebaba L, Röcken M, Marycz K. Osteochondritis dissecans (OCD) in Horses - Molecular Background of its Pathogenesis and Perspectives for Progenitor Stem Cell Therapy. Stem Cell Rev Rep 2020; 15:374-390. [PMID: 30796679 PMCID: PMC6534522 DOI: 10.1007/s12015-019-09875-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Osteochondrosis (osteochondrosis dissecans; OCD) is a disease syndrome of growing cartilage related to different clinical entities such as epiphysitis, subchondral cysts and angular carpal deformities, which occurs in growing animals of all species, including horses. Nowadays, these disorders are affecting increasing numbers of young horses worldwide. As a complex multifactorial disease, OCD is initiated when failure in cartilage canals because of existing ischemia, chondrocyte biogenesis impairment as well as biochemical and genetic disruptions occur. Recently, particular attention have been accorded to the definition of possible relations between OCD and some metabolic disorders; in this way, implication of mitochondrial dysfunctions, endoplasmic reticulum disruptions, oxidative stress or endocrinological affections are among the most considered axes for future researches. As one of the most frequent cause of impaired orthopaedic potential, which may result in a sharp decrease in athletic performances of the affected animals, and lead to the occurrence of complications such as joint fragility and laminitis, OCD remains as one of the primary causes of considerable economic losses in all sections of the equine industry. It would therefore be important to provide more information on the exact pathophysiological mechanism(s) underlying early OC(D) lesions, in order to implement innovative strategies involving the use of progenitor stem cells, which are considered nowadays as a promising approach to regenerative medicine, with the potential to treat numerous orthopaedic disorders, including osteo-degenerative diseases, for prevention and reduction of incidence of the disease, not only in horses, but also in human medicine, as the equine model is already widely accepted by the scientific community and approved by the FDA, for the research and application of cellular therapies in the treatment of human conditions.
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Affiliation(s)
- Lynda Bourebaba
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wrocław University of Environmental and Life Sciences, Norwida 27B, 50-375, Wrocław, Poland
| | - Michael Röcken
- Faculty of Veterinary Medicine, Equine Clinic - Equine Surgery, Justus-Liebig-University, 35392, Gießen, Germany
| | - Krzysztof Marycz
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wrocław University of Environmental and Life Sciences, Norwida 27B, 50-375, Wrocław, Poland. .,Faculty of Veterinary Medicine, Equine Clinic - Equine Surgery, Justus-Liebig-University, 35392, Gießen, Germany.
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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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7
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Coppelman EB, David FH, Tóth F, Ernst NS, Trumble TN. The association between collagen and bone biomarkers and radiographic osteoarthritis in the distal tarsal joints of horses. Equine Vet J 2019; 52:391-398. [PMID: 31596508 DOI: 10.1111/evj.13187] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 07/27/2019] [Indexed: 01/15/2023]
Abstract
BACKGROUND Osteoarthritis (OA) of the distal intertarsal (DIT) and tarsometatarsal (TMT) joints occurs commonly. Synovial fluid (SF) biomarkers of collagen and bone turnover have potential clinical value. OBJECTIVES To measure SF biomarker concentrations from DIT and TMT joints in adult horses and determine if they correlate with radiographic OA severity and are higher in joints with radiographic OA compared to controls. STUDY DESIGN Cross-sectional. METHODS Radiographic OA of DIT and TMT joints was evaluated from adult horses (5-35 years old). Overall radiographic scores divided horses into those with mild or moderate radiographic OA (16 joints from 9 horses) or controls (13 joints from 9 horses). Direct biomarkers of OA (Carboxypropeptide of type II collagen = CPII, carboxy-neoepitope of type II collagen exposed after collagenase-cleavage = C2C, Bone alkaline phosphatase = BAP and Chondroitin sulfate epitope = CS846) were measured via ELISA and CPII/C2C was calculated. Biomarkers were correlated with radiographic findings and concentrations from those with radiographic OA to control joints and were compared. RESULTS Concentrations of CPII (R = 0.84, P<0.001), C2C (R = 0.69, P<0.001) and BAP (R = 0.41, P = 0.03) as well as CPII/C2C (R = 0.69, P<0.001) values positively correlated with overall radiographic scores. Adjusted means ± s.d., after controlling for age, for CPII (P<0.001), C2C (P<0.001), CPII/C2C (P = 0.004) and BAP (P = 0.05) were significantly higher in DIT and TMT joints with radiographic OA (CPII: 2174.45 ± 1064.01; C2C: 233.52 ± 51.187; CPII/C2C: 9.01 ± 4.09; BAP: 21.98 ± 15.34) compared to controls (CPII: 594.53 ± 463.05; C2C: 153.12 ± 48.95; CPII/C2C: 3.96 ± 2.38; BAP: 12.76 ± 3.61). CPII (P<0.001), C2C (P = 0.001) and CPII/C2C (P = 0.001) were significantly higher with moderate radiographic OA (CPII: 2444.61 ± 772.78; C2C: 248.90 ± 44.94; CPII/C2C: 9.47 ± 2.97) compared to controls (CPII: 658.38 ± 417.36; C2C: 156.49 ± 47.61; CPII/C2C: 4.15 ± 2.04), with CPII also showing significantly higher concentrations (P = 0.04) with mild radiographic OA compared (1515.00 ± 584.95) to controls (658.38 ± 417.36). There were no differences in CS846 concentrations between radiographic OA and control joints. Age positively correlated with CPII (R = 0.48, P = 0.01) and C2C (R = 0.44, P = 0.02) concentrations. MAIN LIMITATIONS Radiographic OA was assessed, not clinical lameness. Controls were not age-matched to those with spontaneous radiographic OA. CONCLUSIONS There is an association between collagen (CPII, C2C and CPII/C2C) and bone (BAP) biomarkers and radiographic OA in the distal tarsal joints of horses.
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Affiliation(s)
- E B Coppelman
- Department of Veterinary Population Medicine, University of Minnesota, College of Veterinary Medicine, St. Paul, Minnesota, USA
| | - F H David
- Veterinary Clinical Sciences Department, University of Minnesota, College of Veterinary Medicine, St. Paul, Minnesota, USA
| | - F Tóth
- Department of Veterinary Population Medicine, University of Minnesota, College of Veterinary Medicine, St. Paul, Minnesota, USA
| | - N S Ernst
- Department of Veterinary Population Medicine, University of Minnesota, College of Veterinary Medicine, St. Paul, Minnesota, USA
| | - T N Trumble
- Department of Veterinary Population Medicine, University of Minnesota, College of Veterinary Medicine, St. Paul, Minnesota, USA
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Anderson J, Phelan MM, Clegg PD, Peffers MJ, Rubio-Martinez LM. Synovial Fluid Metabolites Differentiate between Septic and Nonseptic Joint Pathologies. J Proteome Res 2018; 17:2735-2743. [PMID: 29969035 PMCID: PMC6092013 DOI: 10.1021/acs.jproteome.8b00190] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Indexed: 12/12/2022]
Abstract
Osteoarthritis (OA), osteochondrosis (OC), and synovial sepsis in horses cause loss of function and pain. Reliable biomarkers are required to achieve accurate and rapid diagnosis, with synovial fluid (SF) holding a unique source of biochemical information. Nuclear magnetic resonance (NMR) spectroscopy allows global metabolite analysis of a small volume of SF, with minimal sample preprocessing using a noninvasive and nondestructive method. Equine SF metabolic profiles from both nonseptic joints (OA and OC) and septic joints were analyzed using 1D 1H NMR spectroscopy. Univariate and multivariate statistical analyses were used to identify differential metabolite abundance between groups. Metabolites were annotated via 1H NMR using 1D NMR identification software Chenomx, with identities confirmed using 1D 1H and 2D 1H 13C NMR. Multivariate analysis identified separation between septic and nonseptic groups. Acetate, alanine, citrate, creatine phosphate, creatinine, glucose, glutamate, glutamine, glycine, phenylalanine, pyruvate, and valine were higher in the nonseptic group, while glycylproline was higher in sepsis. Multivariate separation was primarily driven by glucose; however, partial-least-squares discriminant analysis plots with glucose excluded demonstrated the remaining metabolites were still able to discriminate the groups. This study demonstrates that a panel of synovial metabolites can distinguish between septic and nonseptic equine SF, with glucose the principal discriminator.
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Affiliation(s)
- James
R. Anderson
- Institute
of Ageing and Chronic Disease, University
of Liverpool, Liverpool L7 8TX, U.K.
| | - Marie M. Phelan
- Institute
of Integrative Biology, University of Liverpool, Liverpool L69 7ZB, U.K.
- HLS
Technology Directorate, University of Liverpool, Liverpool L69 3GB, U.K.
| | - Peter D. Clegg
- Institute
of Ageing and Chronic Disease, University
of Liverpool, Liverpool L7 8TX, U.K.
| | - Mandy J. Peffers
- Institute
of Ageing and Chronic Disease, University
of Liverpool, Liverpool L7 8TX, U.K.
| | - Luis M. Rubio-Martinez
- Institute
of Veterinary Science, University of Liverpool, Leahurst Campus, Neson CH64 7TE, U.K.
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Bertuglia A, Pagliara E, Grego E, Ricci A, Brkljaca-Bottegaro N. Pro-inflammatory cytokines and structural biomarkers are effective to categorize osteoarthritis phenotype and progression in Standardbred racehorses over five years of racing career. BMC Vet Res 2016; 12:246. [PMID: 27821120 PMCID: PMC5100096 DOI: 10.1186/s12917-016-0873-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 10/26/2016] [Indexed: 01/26/2023] Open
Abstract
Background Joint impact injuries initiate a progressive articular damage finally leading to post-traumatic osteoarthritis (PTOA). Racehorses represent an ideal, naturally available, animal model of the disease. Standardbred racehorses developing traumatic osteoarthritis of the fetlock joint during the first year of their career were enrolled in our study. Age-matched controls were contemporarily included. Biomarker levels of equine osteoarthritis were measured in serum and synovial fluid (SF) at baseline, and repeated yearly over the next 4 years of training (from T1 to T4). The effect of time and disease on the biomarker concentrations were analysed, and their relationship with clinical and radiographic parameters were assessed. We hypothesized that the kinetics of pro-inflammatory cytokines and structural biomarkers of joint disease would demonstrate progression of degenerative joint status during post-traumatic osteoarthritis and clarify the effect of early joint trauma. Results The concentrations of IL1-ß, IL-6, TNF-α in the SF of PTOA group peaked at T0, decreased at T1, and then progressively increased with time, reaching levels higher than those observed at baseline starting from T3. CTXII and COMP levels were similar in PTOA and control horses at baseline, and increased in serum and synovial fluid of PTOA horses starting from T2 (serum and synovial CTXII, and serum COMP) or T3 (synovial COMP). The percentual change of TNF-α in the SF of the affected joints independently contributed to explaining the radiological changes at T3 vs T2 and T4 vs T3. Conclusions Temporal changes of selected biomarkers in STBRs with an acute episode of traumatic fetlock OA demonstrated that long-term increased concentrations of inflammatory cytokines, type II collagen fragments and COMP, in the SF and serum, are related to PTOA. Based on the observed decrease in inflammatory merkers at T1, we hypothesize that the progression of PTOA could be effectively modulated by proper treatment strategies. Annual variations of synovial concentration of TNF-α can reliably predict radiographic progression of PTOA.
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Affiliation(s)
- Andrea Bertuglia
- Dipartimento di Scienze Veterinarie, Università di Torino, Largo Paolo Braccini 2, 10095, Grugliasco, Italy.
| | - Eleonora Pagliara
- Dipartimento di Scienze Veterinarie, Università di Torino, Largo Paolo Braccini 2, 10095, Grugliasco, Italy
| | - Elena Grego
- Dipartimento di Scienze Veterinarie, Università di Torino, Largo Paolo Braccini 2, 10095, Grugliasco, Italy
| | - Alessandro Ricci
- Dipartimento di Scienze Veterinarie, Università di Torino, Largo Paolo Braccini 2, 10095, Grugliasco, Italy
| | - Nika Brkljaca-Bottegaro
- Clinic for surgery, orthopaedics and ophthalmology, Faculty of Veterinary medicine, University of Zagreb, Heinzelova 55, 10000, Zagreb, Croatia
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Brink P, Smith RKW, Tverdal A, Dolvik NI. Changes in synovial fluid biomarker concentrations following arthroscopic surgery in horses with osteochondritis dissecans of the distal intermediate ridge of the tibia. Am J Vet Res 2016; 76:599-607. [PMID: 26111089 DOI: 10.2460/ajvr.76.7.599] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To quantify concentrations of cartilage oligomeric matrix protein (COMP) and fibromodulin in synovial fluid from the tarsocrural joints (TCJs) of horses with osteochondritis dissecans (OCD) of the distal intermediate ridge of the tibia and determine whether concentrations would change following arthroscopic removal of osteochondral fragments. ANIMALS 115 client-owned horses with OCD of the TCJ and 29 control horses euthanized for unrelated reasons. PROCEDURES COMP and fibromodulin concentrations were measured in synovial fluid from the TCJs of the affected horses before and after osteochondral fragments were removed arthroscopically and in synovial fluid from the TCJs of the control horses after euthanasia. Synovial biopsy specimens from the TCJs of affected and control horses were examined histologically for evidence of inflammation. RESULTS Synovial fluid COMP and fibromodulin concentrations prior to surgery in horses with OCD were not significantly different from concentrations in control horses. Fibromodulin, but not COMP, concentration in horses with OCD was significantly decreased after surgery, compared with the concentration before surgery. Fibromodulin concentration was significantly correlated with joint effusion score but not with lameness score or results of a flexion test and was correlated with histologic score for number of synoviocytes on the surface of the synovium but not with score for degree of infiltration of inflammatory cells in the synovium. Synovial fluid COMP concentration was not significantly correlated with clinical or histologic findings. CONCLUSIONS AND CLINICAL RELEVANCE Results suggested that fibromodulin, but not COMP, could potentially be a biomarker of joint inflammation in horses with OCD of the TCJ.
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11
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Wanner JP, Subbaiah R, Skomorovska-Prokvolit Y, Shishani Y, Boilard E, Mohan S, Gillespie R, Miyagi M, Gobezie R. Proteomic profiling and functional characterization of early and late shoulder osteoarthritis. Arthritis Res Ther 2013; 15:R180. [PMID: 24286485 PMCID: PMC3979061 DOI: 10.1186/ar4369] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2012] [Accepted: 10/17/2013] [Indexed: 12/17/2022] Open
Abstract
INTRODUCTION The development of effective treatments for osteoarthritis (OA) has been hampered by a poor understanding of OA at the cellular and molecular levels. Emerging as a disease of the 'whole joint', the importance of the biochemical contribution of various tissues, including synovium, bone and articular cartilage, has become increasingly significant. Bathing the entire joint structure, the proteomic analysis of synovial fluid (SF) from osteoarthritic shoulders offers a valuable 'snapshot' of the biologic environment throughout disease progression. The purpose of this study was to identify differentially expressed proteins in early and late shoulder osteoarthritic SF in comparison to healthy SF. METHODS A quantitative 18O labeling proteomic approach was employed to identify the dysregulated SF proteins in early (n = 5) and late (n = 4) OA patients compared to control individuals (n = 5). In addition, ELISA was used to quantify six pro-inflammatory and two anti-inflammatory cytokines. RESULTS Key results include a greater relative abundance of proteins related to the complement system and the extracellular matrix in SF from both early and late OA. Pathway analyses suggests dysregulation of the acute phase response, liver x receptor/retinoid x receptor (LXR/RXR), complement system and coagulation pathways in both early and late OA. The network related to lipid metabolism was down-regulated in both early and late OA. Inflammatory cytokines including interleukin (IL) 6, IL 8 and IL 18 were up-regulated in early and late OA. CONCLUSIONS The results suggest a dysregulation of wound repair pathways in shoulder OA contributing to the presence of a 'chronic wound' that progresses irreversibly from early to later stages of OA. Protease inhibitors were downregulated in late OA suggesting uncontrolled proteolytic activity occurring in late OA. These results contribute to the theory that protease inhibitors represent promising therapeutic agents which could limit proteolytic activity that ultimately leads to cartilage destruction.
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Affiliation(s)
- John Paul Wanner
- Department of Orthopaedics, Case Western Reserve University, School of Medicine, Cleveland, OH, USA
| | - Roopashree Subbaiah
- Department of Orthopaedics, Case Western Reserve University, School of Medicine, Cleveland, OH, USA
| | - Yelenna Skomorovska-Prokvolit
- Case Center for Proteomics and Bioinformatics, Case Western Reserve University, School of Medicine, Cleveland, OH, USA
| | - Yousef Shishani
- Department of Orthopaedics, Case Western Reserve University, School of Medicine, Cleveland, OH, USA
| | - Eric Boilard
- Centre de Recherche en Rhumatologie et Immunologie, Centre de Recherche du Centre Hospitalier Universitaire de Québec, Faculté de Médecine de l’Université Laval, Québec, QC G1V 4G2, Canada
| | - Sujatha Mohan
- Laboratory for Integrated Bioinformatics, RIKEN Center for Integrative Medical Sciences (IMS-RCAI), RIKEN Yokohama Institute, Kanagawa, 230 0045, Japan
| | - Robert Gillespie
- Department of Orthopaedics, Case Western Reserve University, School of Medicine, Cleveland, OH, USA
| | - Masaru Miyagi
- Case Center for Proteomics and Bioinformatics, Case Western Reserve University, School of Medicine, Cleveland, OH, USA
| | - Reuben Gobezie
- Department of Orthopaedics, Case Western Reserve University, School of Medicine, Cleveland, OH, USA
- Cleveland Shoulder Institute, University Hospitals of Cleveland, 5885 Landerbrook Drive, Monarch Center, Mayfield Heights, OH, 44121, USA
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Gambling on putative biomarkers of osteoarthritis and osteochondrosis by equine synovial fluid proteomics. J Proteomics 2012; 75:4478-93. [DOI: 10.1016/j.jprot.2012.02.008] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2011] [Revised: 02/03/2012] [Accepted: 02/05/2012] [Indexed: 12/18/2022]
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Smith MRW, Wright IM, Minshall GJ, Dudhia J, Verheyen K, Heinegård D, Smith RKW. Increased Cartilage Oligomeric Matrix Protein Concentrations in Equine Digital Flexor Tendon Sheath Synovial Fluid Predicts Intrathecal Tendon Damage. Vet Surg 2010; 40:54-8. [DOI: 10.1111/j.1532-950x.2010.00751.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Abstract
Osteoarthritis (OA) results in the destruction and breakdown of articular cartilage matrix. Breakdown of the cartilage proteoglycan component results in the generation of constituent fragments that can be detected in the blood, synovial fluid or urine. Non-collagenous, non-proteoglycan components of cartilage can also be detected following their release as a result of turnover and disease. OA also alters the circulating profile of metabolites in the body. Metabolomic strategies have been used to distinguish populations with OA from normal populations by the creation of a metabolomic 'fingerprint' attributable to the disease. This paper is the second part of a two-part review and describes some of the techniques used to measure the concentrations of some of these 'non-collagenous' biomarkers, and how the application of these measurements assists the study of joint disease. Collagen-based biomarkers were discussed in part one.
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15
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Sandwich ELISA system for cartilage oligomeric matrix protein in equine synovial fluid and serum. Equine Vet J 2010; 41:41-6. [DOI: 10.2746/042516408x330356] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Arai K, Tagami M, Hatazoe T, Nishimatsu E, Shimizu Y, Fujiki M, Misumi K. Analysis of cartilage oligomeric matrix protein (COMP) in synovial fluid, serum and urine from 51 racehorses with carpal bone fracture. J Vet Med Sci 2008; 70:915-21. [PMID: 18840965 DOI: 10.1292/jvms.70.915] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
We investigated the relationship between cartilage oligomeric matrix protein (COMP) levels in synovial fluid (SF), serum and urine and the development of osteochondral damage and osteophyte (OP) formation following intraarticular fractures of the carpus in racehorses in order to assess the clinical usefulness of COMP as a diagnostic biomarker of developmental osteoarthritis (OA). Two monoclonal antibodies (mAb clones 2A11 and 3C8) raised against equine COMP were shown to be capable of detecting the molecule in serum and urine as well as SF. Fifty-one samples were obtained from 26 OP-positive (OP(+)) and 25 OP-negative (OP(-)) racehorses with carpal bone fracture, in whom OP was ascertained arthroscopically and radiographically. The COMP measurements obtained using the two mAbs were highly correlated with each other in SF, serum, or urine. Horses with OP(+) showed a significantly higher [urinary COMP (microg)]/[urinary creatinine (mg)] ratio (4.94 +/- 5.10 and 1.46 +/- 1.19, using mAbs 2A11 and 3C8, respectively) than OP(-) horses (2.80 +/- 1.72 and 0.93 +/- 0.49, respectively). The relationship between serum and urine COMP levels and the period from injury to surgery were extrapolated using a polynomial expression. Measurement of COMP, especially in urine, has potential as a predictive marker of advanced OA following carpal bone fractures in racehorses.
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Affiliation(s)
- Koh Arai
- Department of Veterinary Clinical Science, Kagoshima University, Kagoshima, Japan
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van Weeren PR, Firth EC. Future Tools for Early Diagnosis and Monitoring of Musculoskeletal Injury: Biomarkers and CT. Vet Clin North Am Equine Pract 2008; 24:153-75. [DOI: 10.1016/j.cveq.2007.11.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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