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Liem Y, Judge A, Li Y, Sharif M. Biochemical, clinical, demographic and imaging biomarkers for disease progression in knee osteoarthritis. Biomark Med 2022; 16:633-645. [PMID: 35465685 DOI: 10.2217/bmm-2021-0579] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To identify prognostic biomarker(s) for knee osteoarthritis (OA) in the Osteoarthritis Initiative (OAI) cohort. Methods: Multilevel regression was used to determine the association between baseline biomarkers and change in biomarkers from baseline to 24 months with clinical and radiographic OA progression over 48 months of follow-up. Results: Higher values of baseline urinary CTXII were consistently associated with an increased risk of OA disease progression outcomes: Kellgren & Lawrence grade (odds ratio [OR]: 1.15, 95% CI: 1.03-1.28); medial joint space narrowing (OR: 1.06, 95% CI: 1.02-1.10); lateral osteophytes (OR: 1.05, 95% CI: 1.01-1.10); joint space width (regression coefficient: -0.005, 95% CI: -0.008-0.001); and Western Ontario and McMaster Universities Arthritis Index pain scores (OR: 1.02, 95% CI: 1.01-1.04). Changes in serum PIIANP and serum COMP over 24 months were associated with clinical disease progression. Conclusion: Urinary CTXII showed stronger associations with radiographic OA and appears to be a reliable prognostic marker, while changes in other biomarkers were found in early symptomatic OA, supporting the phasic nature of OA.
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Affiliation(s)
- Yulia Liem
- Translational Health Sciences, Bristol Medical School, University of Bristol, Level 2 Learning & Research Building, Southmead Hospital, Bristol, BS10 5NB, UK
| | - Andrew Judge
- Musculoskeletal Research Unit, Bristol Medical School, University of Bristol, Level 1 Learning & Research Building, Southmead Hospital, BS10 5NB, UK
| | - Yunfei Li
- Translational Health Sciences, Bristol Medical School, University of Bristol, Level 2 Learning & Research Building, Southmead Hospital, Bristol, BS10 5NB, UK
| | - Mohammed Sharif
- Translational Health Sciences, Bristol Medical School, University of Bristol, Level 2 Learning & Research Building, Southmead Hospital, Bristol, BS10 5NB, UK
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Serum Cartilage Oligomeric Matrix Protein and Golgi Protein-73: New Diagnostic and Predictive Tools for Liver Fibrosis and Hepatocellular Cancer? Cancers (Basel) 2021; 13:cancers13143510. [PMID: 34298722 PMCID: PMC8304371 DOI: 10.3390/cancers13143510] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/07/2021] [Accepted: 07/10/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Hepatocellular carcinoma (HCC) ranks as the sixth most common malignancy and represents the fourth leading cause of cancer-related deaths. However, most HCC cases are insidious in the early stages leading to a delay in diagnosis with limited treatment options. In patients with chronic liver diseases, advanced liver fibrosis and cirrhosis are the leading risk factors for the development of HCC. Cartilage oligomeric matrix protein (COMP) and Golgi protein-73 (GP73) are two biomarkers that have been associated with the progression of chronic liver disease, including inflammation, fibrosis, and HCC. The aim of our study was to assess the performance of the combination of these biomarkers. We confirmed, in a large cohort of 288 patients with chronic liver diseases, that the combination of GP73 and COMP had a high discriminative ability to detect severe fibrosis/cirrhosis and is efficient in predicting the development of HCC. Abstract The cartilage oligomeric matrix protein (COMP) and Golgi-protein-73 (GP73) have been proposed as markers of liver fibrosis and hepatocellular carcinoma (HCC). Our aim was to assess the performance of the combination of these markers in diagnosing cirrhosis and predicting HCC development. Sera from 288 consecutive patients with chronic liver diseases were investigated by using COMP and GP73-ELISAs. Dual positivity for COMP (>15 U/L) and GP73 (>20 units) was observed in 24 (8.3%) patients, while 30 (10.4%) were GP73(+)/COMP(−), 37/288 (12.8%) GP73(−)/COMP(+), and 197 (68.5%) GP73(−)/COMP(−). Positivity for both markers was associated with cirrhosis [23/24 (95.8%) for GP73(+)/COMP(+) vs. 22/30 (73.3%) for GP73(+)/COMP(−) vs. 25/37 (67.6%) for GP73(−)/COMP(+) vs. 46/197 (23.4%) for GP73(−)/COMP(−); P < 0.001]. The combination of GP73, COMP, the aspartate aminotransferase/platelets ratio index, and the Fibrosis-4 score had even higher diagnostic accuracy to detect the presence of cirrhosis [AUC (95% CI): 0.916 (0.878–0.946)] or significant liver fibrosis (METAVIR ≥ F2) [AUC (95% CI): 0.832 (0.768–0.883)] than each marker alone. Kaplan-Meier analysis showed that positivity for both GP73 and COMP was associated with higher rates of HCC development (P < 0.001) and liver-related deaths (P < 0.001) during follow-up. In conclusion, the combination of GP73 and COMP seems efficient to detect cirrhosis and predict worse outcomes and the development of HCC in patients with chronic liver diseases.
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Zachou K, Gabeta S, Gatselis NK, Norman GL, Dalekos GN. Cartilage oligomeric matrix protein on the spot for liver fibrosis evaluation: Too early or too late? Eur J Intern Med 2017; 43:e48-e49. [PMID: 28502865 DOI: 10.1016/j.ejim.2017.05.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 05/04/2017] [Accepted: 05/05/2017] [Indexed: 12/14/2022]
Affiliation(s)
- Kalliopi Zachou
- Department of Medicine and Research Laboratory of Internal Medicine, School of Medicine, Thessaly University, Larissa, Greece
| | - Stella Gabeta
- Department of Medicine and Research Laboratory of Internal Medicine, School of Medicine, Thessaly University, Larissa, Greece
| | - Nikolaos K Gatselis
- Department of Medicine and Research Laboratory of Internal Medicine, School of Medicine, Thessaly University, Larissa, Greece
| | - Gary L Norman
- Inova Diagnostics, Inc., San Diego, CA, United States
| | - George N Dalekos
- Department of Medicine and Research Laboratory of Internal Medicine, School of Medicine, Thessaly University, Larissa, Greece.
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Shahid M, Manchi G, Slunsky P, Naseer O, Fatima A, Leo B, Raila J. A systemic review of existing serological possibilities to diagnose canine osteoarthritis with a particular focus on extracellular matrix proteoglycans and protein. Pol J Vet Sci 2017; 20:189-201. [PMID: 28525322 DOI: 10.1515/pjvs-2017-0024] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Extra-cellular matrix (ECM) components are important and their stabilization is significant in maintaining normal healthy joint environment. In osteoarthritis (OA), ECM components are altered and indicate disease progression. The joint ECM is composed of proteoglycans (aggrecan, perlecan, inter α-trypsin inhibitor), glycoproteins (fibronectin, lubricin, COMP) and collagen types (most abundantly collagen type II) which represent structural and functional transformation during disease advancement. ECM investigation revealed significant biomarkers of OA that could be used as a diagnostic and therapeutic tool in different canine orthopedic diseases. This review deliberates our current findings of how the components of ECM change at the molecular level during disease progression in canine OA.
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Zachou K, Gabeta S, Shums Z, Gatselis NK, Koukoulis GK, Norman GL, Dalekos GN. COMP serum levels: A new non-invasive biomarker of liver fibrosis in patients with chronic viral hepatitis. Eur J Intern Med 2017; 38:83-88. [PMID: 28100410 DOI: 10.1016/j.ejim.2017.01.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 12/22/2016] [Accepted: 01/09/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Recently we have shown that cartilage oligomeric matrix protein (COMP), a fibrillar collagen assembly regulator, is strongly associated with cirrhosis and hepatocellular carcinoma progression. Therefore, we assessed whether serum COMP levels can be used as a non-invasive fibrosis marker in patients with chronic viral hepatitis (CVH) and compared this marker with standard methods for disease stage assessment [histology, transient elastography (TE), APRI, FIB-4]. METHODS Sera from 116 CVH patients, 66 HBV [24 female; median age 53(22-76)] and 50 HCV [21 female; median age 48.5(25-69)] were investigated by COMP-ELISA. APRI and FIB-4 score was calculated in all along with TE. Liver biopsy was performed in 61. Patients were divided into two groups (F1/F2 and F3/F4) according to Metavir score. RESULTS 55/116 (47%) CVH patients were classified in F3/F4-group according to TE [14.3(9.3-75)kPa]. APRI score was >1.5 in 21/116 and FIB-4>3.25 in 20/116. Liver histology revealed 24/61 (39%) patients with significant fibrosis (stage 3-4), while 12/61 (19.7%) had cirrhosis. COMP levels correlated with TE measurements (r=0.5; p<0.001) and APRI score (r=0.23; p<0.02). The diagnostic accuracy of COMP in detecting cirrhosis was as good as TE, APRI and FIB-4 index (AUC 0.884) with sensitivity and specificity of 83.3% and 83.7% (cut-off 11.5U/L). CONCLUSIONS COMP serum levels performed as well as TE, APRI and FIB4 score in detecting cirrhosis in CVH patients, suggesting COMP as a sensitive non-invasive, easy to perform biomarker of liver fibrosis. Further studies are needed in order to validate our findings in CVH patients.
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Affiliation(s)
- Kalliopi Zachou
- Department of Medicine and Research Laboratory of Internal Medicine, School of Medicine, Thessaly University, Larissa, Greece
| | - Stella Gabeta
- Department of Medicine and Research Laboratory of Internal Medicine, School of Medicine, Thessaly University, Larissa, Greece
| | - Zakera Shums
- Inova Diagnostics, Inc., San Diego, CA, United States
| | - Nikolaos K Gatselis
- Department of Medicine and Research Laboratory of Internal Medicine, School of Medicine, Thessaly University, Larissa, Greece
| | - George K Koukoulis
- Department of Pathology, School of Medicine, University of Thessaly, Larissa, Greece
| | - Gary L Norman
- Inova Diagnostics, Inc., San Diego, CA, United States
| | - George N Dalekos
- Department of Medicine and Research Laboratory of Internal Medicine, School of Medicine, Thessaly University, Larissa, Greece.
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Wedekind KJ, Ruff KJ, Atwell CA, Evans JL, Bendele AM. Beneficial effects of natural eggshell membrane (NEM) on multiple indices of arthritis in collagen-induced arthritic rats. Mod Rheumatol 2016; 27:838-848. [PMID: 27846748 DOI: 10.1080/14397595.2016.1259729] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
OBJECTIVES This study was performed to evaluate the potential efficacy of natural eggshell membrane (NEM) in collagen-induced arthritic rats, a well-established rodent model of inflammation and rheumatoid arthritis. METHODS Rats with developing type II collagen-induced arthritis (CIA) were treated once daily by oral gavage on study days -14 to 17 with vehicle or NEM (52 mg/kg body weight). Rats were euthanized on study day 17. Efficacy was assessed by daily ankle caliper measurements, ankle diameter expressed as area under the curve (AUCd0-17), and histopathologic evaluation of ankles and knees. Serum biomarkers of cartilage function and inflammation [collagen type II C-telopeptide (CTXII), cartilage oligomeric matrix protein (COMP), and alpha-2-macroglobulin (A2M)] were measured by ELISA. RESULTS Treatment with NEM resulted in significant beneficial effects on the daily ankle diameter measurements and ankle diameter AUC. Ankle and knee histopathology scores were significantly reduced (36% and 43% reduction of summed individual histopathology scores for ankle and knee, respectively; p < 0.05) toward normal for rats given NEM compared to vehicle controls. The percent reduction of serum CTXII, COMP, and A2M in NEM-treated rats ranged from 30% to 72% (p < 0.05). CONCLUSIONS NEM significantly improved multiple aspects of inflammatory arthritis including inflammation, pannus, cartilage damage, bone resorption, and periosteal bone formation. This study provides further support for the use of CTXII, COMP, and A2M as relevant biomarkers that were responsive to NEM.
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Affiliation(s)
- Karen J Wedekind
- a Research and Development Department , Novus International , St. Charles , MO , USA
| | | | - Cindy A Atwell
- a Research and Development Department , Novus International , St. Charles , MO , USA
| | - Joseph L Evans
- c P and N Development Ventures , St. Louis , MO , USA , and
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Norman GL, Gatselis NK, Shums Z, Liaskos C, Bogdanos DP, Koukoulis GK, Dalekos GN. Cartilage oligomeric matrix protein: A novel non-invasive marker for assessing cirrhosis and risk of hepatocellular carcinoma. World J Hepatol 2015; 7:1875-83. [PMID: 26207169 PMCID: PMC4506945 DOI: 10.4254/wjh.v7.i14.1875] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 05/29/2015] [Accepted: 06/30/2015] [Indexed: 02/06/2023] Open
Abstract
AIM To assess serum cartilage oligomeric matrix protein (COMP) as a marker of cirrhosis and risk of progression to hepatocellular carcinoma (HCC). METHODS A COMP enzyme-linked immunosorbent assay was used to test 187 patients with chronic liver diseases at the time point of first evaluation. The selected patients included 72 with chronic hepatitis B infection, 75 with chronic hepatitis C infection, 22 with primary biliary cirrhosis, 7 with autoimmune hepatitis type 1, and 11 with alcoholic liver disease. Demographic, biochemical, histological and clinical characteristics of the patients were recorded at the first evaluation. One hundred and forty-seven patients were followed for a median [interquartile range (IQR)] duration of 96.5 (102) mo. The clinical, biochemical and histological data, as well as the development of cirrhosis, HCC according to internationally accepted criteria and in case of death, a liver-related cause during the follow-up period, were recorded at the electronic database of our clinic. COMP determination was also performed in 43 healthy individuals who served as the control study group. RESULTS COMP positivity (> 15 U/L) was detected in 22%-36% among chronic liver disease groups. Strikingly, almost 83% of COMP-positive patients were cirrhotic at baseline, independently of cause of liver disease. Among the patients who developed HCC during follow-up, 73.7% (14/19) were COMP positive at baseline. COMP positivity was significantly associated with older age (P < 0.001), advanced fibrosis (P = 0.001) and necroinflammatory activity (P = 0.001), higher aspartate aminotransferase (P < 0.001), alanine aminotransferase (P < 0.02), γ-glutamyl transpeptidase (P = 0.003), alkaline phosphatase (P = 0.001), bilirubin (P < 0.05), international normalized ratio (P = 0.002) and alpha-fetoprotein levels (P < 0.02), and lower albumin (P < 0.001), and platelet count (P = 0.008). COMP levels [median (IQR)] were significantly higher in cirrhotics compared to non-cirrhotics [13.8 (7.9) U/L vs 9.8 (4.6) U/L, respectively; P < 0.001]. On multivariate logistic regression analysis, COMP-positivity was independently associated only with cirrhosis (OR = 4.40, 95%CI: 1.33-14.69, P = 0.015). Kaplan-Meier analysis showed that COMP positivity was significantly associated with HCC development (P = 0.007) and higher incidence of liver-related death (P < 0.001). CONCLUSION Elevated COMP levels are strongly associated with cirrhosis and HCC progression. Serum COMP is a new promising non-invasive biomarker for HCC risk assessment in surveillance programs.
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Affiliation(s)
- Gary L Norman
- Gary L Norman, Zakera Shums, Inova Diagnostics, Inc., San Diego, CA 92131, United States
| | - Nikolaos K Gatselis
- Gary L Norman, Zakera Shums, Inova Diagnostics, Inc., San Diego, CA 92131, United States
| | - Zakera Shums
- Gary L Norman, Zakera Shums, Inova Diagnostics, Inc., San Diego, CA 92131, United States
| | - Christos Liaskos
- Gary L Norman, Zakera Shums, Inova Diagnostics, Inc., San Diego, CA 92131, United States
| | - Dimitrios P Bogdanos
- Gary L Norman, Zakera Shums, Inova Diagnostics, Inc., San Diego, CA 92131, United States
| | - George K Koukoulis
- Gary L Norman, Zakera Shums, Inova Diagnostics, Inc., San Diego, CA 92131, United States
| | - George N Dalekos
- Gary L Norman, Zakera Shums, Inova Diagnostics, Inc., San Diego, CA 92131, United States
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Law RJ, Saynor ZL, Gabbitas J, Jones J, Kraus A, Breslin A, Maddison PJ, Thom JM. The Effects of Aerobic and Resistance Exercise on Markers of Large Joint Health in Stable Rheumatoid Arthritis Patients: A Pilot Study. Musculoskeletal Care 2015; 13:222-35. [PMID: 25962747 DOI: 10.1002/msc.1103] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE Exercise is beneficial for people with rheumatoid arthritis (RA). However, patients and health professionals have expressed concern about the possible detrimental effects of exercise on joint health. The present study investigated the acute and chronic effects of high-intensity, low-impact aerobic and resistance exercise on markers of large joint health in RA. METHODS Eight RA patients and eight healthy, matched control (CTL) participants performed 30 minutes' high-intensity, low-impact aerobic and lower-body resistance exercise, one week apart. Primary outcome measures assessing joint health were serum cartilage oligomeric matrix protein (sCOMP) and knee joint synovial inflammation (Doppler ultrasound colour fraction; CF). These measures were taken at baseline, immediately after and 0.5, one, two, six and 24 hours post-exercise. In a separate study, nine RA patients completed eight weeks of progressive exercise training. The same outcome measures were reassessed at baseline, and at one hour post-exercise of training weeks 0, 1, 4 and 8. RESULTS RA patients showed higher overall sCOMP [RA: 1,347 ± 421, CTL: 1,189 ± 562 ng/mL; p < 0.05; effect size (ES) = 0.32] and CF when scanned longitudinally (RA: 0.489 ± 0.30 × 10(-3) , CTL: 0.101 ± 0.13 × 10(-3) ; p < 0.01; ES = 1.73) and transversely (RA: 0.938 ± 0.69 × 10(-3) , CTL: 0.199 ± 0.36 × 10(-3) ; p < 0.01; ES = 1.33) than CTL. However, no acute effects on joint health were observed post-exercise. Similarly, no chronic effects were observed over eight weeks of combined aerobic and resistance training in RA, with positive effects on physical fitness and function. CONCLUSIONS RA patients on stable treatment with low disease activity were able to perform an individually prescribed high-intensity, low-impact aerobic and resistance exercise without changes in markers of large joint health. Copyright © 2015 John Wiley & Sons, Ltd.
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Affiliation(s)
- Rebecca-Jane Law
- North Wales Centre for Primary Care Research, Bangor University, Bangor, UK.,School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK
| | - Zoe L Saynor
- Department of Sport and Exercise Science, University of Portsmouth, Portsmouth, UK
| | - Julia Gabbitas
- School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK
| | - Jeremy Jones
- School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK.,Peter Maddison Rheumatology Centre, Betsi Cadwaladr University Health Board, Llandudno, UK
| | - Alexandra Kraus
- Radiology Department, Betsi Cadwaladr University Health Board, Bangor, UK
| | - Anne Breslin
- Peter Maddison Rheumatology Centre, Betsi Cadwaladr University Health Board, Llandudno, UK
| | - Peter J Maddison
- School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK
| | - Jeanette M Thom
- School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK.,School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia
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Lord MS, Farrugia BL, Rnjak-Kovacina J, Whitelock JM. Current serological possibilities for the diagnosis of arthritis with special focus on proteins and proteoglycans from the extracellular matrix. Expert Rev Mol Diagn 2014; 15:77-95. [DOI: 10.1586/14737159.2015.979158] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Andersson MLE, Svensson B, Petersson IF, Hafström I, Albertsson K, Forslind K, Heinegård D, Saxne T. Early increase in serum-COMP is associated with joint damage progression over the first five years in patients with rheumatoid arthritis. BMC Musculoskelet Disord 2013; 14:229. [PMID: 23915292 PMCID: PMC3750296 DOI: 10.1186/1471-2474-14-229] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Accepted: 07/29/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Currently available biomarkers for the early tissue process leading to joint damage in rheumatoid arthritis are insufficient and lack prognostic accuracy, possibly a result of variable activity of the disease over time. This study represents a novel approach to detect an altered activity of the disease process detected as increasing serum-COMP levels over a short time and whether this would correlate with joint damage progression over the first 5 years of disease. METHODS In all, 349 patients from the Swedish BARFOT early RA study were examined. Serum-COMP was analysed by ELISA at diagnosis and after 3 months. Based on changes in serum-COMP levels, three subgroups of patients were defined: those with unchanged levels (change ≤ 20%) (N=142), decreasing levels (> 20%) (N=173) and increasing levels (> 20%) (N=34). Radiographs of hands and feet were obtained at inclusion, after 1, 2 and 5 years and scored according to Sharp van der Heijde (SHS). Radiographic progression was defined as increase in SHS by ≥5.8. RESULTS The group of patients with increasing COMP levels showed higher median change in total SHS and erosion scores at 1, 2 and 5 year follow-up compared with the groups with stable or decreasing COMP levels. Furthermore, the odds ratio of radiographic progression was 2.8 (95% CI 1.26-6.38) for patients with increasing COMP levels vs. patients with unchanged levels.The group of patients with increasing COMP levels had higher ESR at inclusion but there were no baseline differences between the groups for age, gender, disease duration, disease activity (DAS28), function (HAQ), CRP, nor presence of rheumatoid factor or anti-CCP. Importantly, neither did changes over the 3-month period in DAS28, HAQ, ESR nor CRP differ between the groups and these variables did not correlate to joint damage progression. CONCLUSION Increasing serum-COMP levels between diagnosis and the subsequent 3 months in patients with early RA represents a novel indicator of an activated destructive process in the joint and is a promising tool to identify patients with significant joint damage progression during a 5-year period.
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Hjeltnes G, Hollan I, Førre Ø, Wiik A, Lyberg T, Mikkelsen K, Agewall S. Relations of serum COMP to cardiovascular risk factors and endothelial function in patients with rheumatoid arthritis treated with methotrexate and TNF-α inhibitors. J Rheumatol 2012; 39:1341-7. [PMID: 22660798 DOI: 10.3899/jrheum.111401] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
OBJECTIVE To examine whether serum level of cartilage oligomeric matrix protein (S-COMP) is related to methotrexate (MTX) or to MTX and tumor necrosis factor-α (TNF-α) combination treatment for rheumatoid arthritis (RA); and to investigate whether S-COMP is related to cardiovascular risk factors including endothelial dysfunction and level of anticitrullinated protein antibodies (ACPA) in patients with RA. METHODS Clinical and laboratory measures, including S-COMP and reactive hyperemic index (RHI), were examined in 55 consecutive patients with RA starting with either MTX (n = 34) or MTX and anti-TNF-α treatment (n = 21) at baseline, and after 6 weeks and 6 months. RESULTS S-COMP was similar in the 2 treatment regimens during followup. We found a positive relationship between S-COMP at baseline and the use of disease-modifying antirheumatic drugs the last year preceding the study (p = 0.001), and a negative relation to current use of systemic glucocorticosteroids (p = 0.044). The nonsignificant change in S-COMP between baseline and the 6-month followup was positively and independently related to change in ACPA level (p = 0.009). There was no significant association between RHI and level of S-COMP at baseline. CONCLUSION The cartilage turnover marker S-COMP did not change significantly after 6 months' treatment with MTX with or without a TNF-α inhibitor in patients with RA. The positive association between S-COMP and ACPA suggests that these factors might interact, and could both be contributors to an unknown link between inflammation and cartilage destruction in patients with RA. S-COMP was not related to endothelial function in patients with RA, or to other cardiovascular risk factors studied. Clinical Trials registration number NCT00902005.
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Affiliation(s)
- Gunnbjørg Hjeltnes
- Lillehammer Hospital for Rheumatic Diseases, M. Grundtvigsv. 6, 2609 Lillehammer, Norway.
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Tampoia M, Brescia V, Falappone P, Zucano A, Scioscia C, Fontana A, Iannone F, Di Serio F, Lapadula G. Response of Cartilage Oligomeric Matrix Protein to Monoclonal Antibody Drugs in Patients with Rheumatoid Arthritis. Lab Med 2009. [DOI: 10.1309/lmv894xjrqejmkab] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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BJØRNHART BIRGITTE, JUUL ANDERS, NIELSEN SUSAN, ZAK MAREK, SVENNINGSEN PERNILLE, MÜLLER KLAUS. Cartilage Oligomeric Matrix Protein in Patients with Juvenile Idiopathic Arthritis: Relation to Growth and Disease Activity. J Rheumatol 2009; 36:1749-54. [DOI: 10.3899/jrheum.080942] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Objective.Cartilage oligomeric matrix protein (COMP) has been identified as a prognostic marker of progressive joint destruction in rheumatoid arthritis. In this population based study we evaluated associations between plasma concentrations of COMP, disease activity, and growth velocity in patients with recent-onset juvenile idiopathic arthritis (JIA). COMP levels in JIA and healthy children were compared with those in healthy adults. Plasma levels of insulin-like growth factor I (IGF-1), which has been associated with COMP expression and growth velocity, were studied in parallel.Methods.87 patients with JIA entered the study, including oligoarticular JIA (n = 34), enthesitis-related arthritis (n = 8), polyarticular rheumatoid factor (RF)-positive JIA (n = 2), polyarticular RF-negative JIA (n = 27), systemic JIA (n = 6), and undifferentiated JIA (n = 10). Plasma levels of COMP were measured by ELISA and IGF-1 by a radioimmunoassay.Results.Significantly higher COMP levels [mean 18.9 U/l (95% CI 17.3–20.5)] were found in healthy children compared with healthy adults [mean 10.7 U/l (95% CI 9.4–12.1)] (p < 0.0001). COMP levels in the JIA patients [mean 13.5 U/l (95% CI 12.4–14.7)] were significantly reduced compared to healthy children (p < 0.0001), and correlated negatively with C-reactive protein (CRP; r = −0.29, p = 0.01) and thrombocyte count (r = −0.28, p = 0.02). COMP levels in the JIA patients correlated positively with growth velocity (cm/yr) (r = 0.38, p = 0.0003) and growth velocity (SDS) (r = 0.29, p = 0.007).Conclusion.We found reduced COMP levels in children with JIA compared with healthy children. COMP levels in JIA correlated negatively with inflammatory activity as evaluated by CRP and the thrombocyte counts, and were associated with reduced growth rate.
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Tseng S, Reddi AH, Di Cesare PE. Cartilage Oligomeric Matrix Protein (COMP): A Biomarker of Arthritis. Biomark Insights 2009; 4:33-44. [PMID: 19652761 PMCID: PMC2716683 DOI: 10.4137/bmi.s645] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Arthritis is a chronic disease with a significant impact on the population. It damages the cartilage, synovium, and bone of the joints causing pain, impairment, and disability in patients. Current methods for diagnosis of and monitoring the disease are only able to detect clinical manifestations of arthritis late in the process. However, with the recent onset of successful treatments for rheumatoid arthritis and osteoarthritis, it becomes important to identify prognostic factors that can predict the evolution of arthritis. This is especially critical in the early phases of disease so that these treatments can be started as soon as possible to slow down progression of the disease. A valuable approach to monitor arthritis would be by measuring biological markers of cartilage degradation and repair to reflect variations in joint remodeling. One such potential biological marker of arthritis is cartilage oligomeric matrix protein (COMP). In various studies, COMP has shown promise as a diagnostic and prognostic indicator and as a marker of the disease severity and the effect of treatment. This review highlights the progress in the utilization of COMP as a biomarker of arthritis.
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Affiliation(s)
- Susan Tseng
- Department of Orthopaedic Surgery, UC Davis Medical Center, Sacramento, California, 95817, U.S.A
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Andreas K, Häupl T, Lübke C, Ringe J, Morawietz L, Wachtel A, Sittinger M, Kaps C. Antirheumatic drug response signatures in human chondrocytes: potential molecular targets to stimulate cartilage regeneration. Arthritis Res Ther 2009; 11:R15. [PMID: 19192274 PMCID: PMC2688247 DOI: 10.1186/ar2605] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2008] [Revised: 01/08/2009] [Accepted: 02/03/2009] [Indexed: 01/21/2023] Open
Abstract
INTRODUCTION Rheumatoid arthritis (RA) leads to progressive destruction of articular cartilage. This study aimed to disclose major mechanisms of antirheumatic drug action on human chondrocytes and to reveal marker and pharmacological target genes that are involved in cartilage dysfunction and regeneration. METHODS An interactive in vitro cultivation system composed of human chondrocyte alginate cultures and conditioned supernatant of SV40 T-antigen immortalised human synovial fibroblasts was used. Chondrocyte alginate cultures were stimulated with supernatant of RA synovial fibroblasts, of healthy donor synovial fibroblasts, and of RA synovial fibroblasts that have been antirheumatically treated with disease-modifying antirheumatic drugs (DMARDs) (azathioprine, gold sodium thiomalate, chloroquine phosphate, and methotrexate), nonsteroidal anti-inflammatory drugs (NSAIDs) (piroxicam and diclofenac), or steroidal anti-inflammatory drugs (SAIDs) (methylprednisolone and prednisolone). Chondrocyte gene expression profile was analysed using microarrays. Real-time reverse transcription-polymerase chain reaction and enzyme-linked immunosorbent assay were performed for validation of microarray data. RESULTS Genome-wide expression analysis revealed 110 RA-related genes in human chondrocytes: expression of catabolic mediators (inflammation, cytokines/chemokines, and matrix degradation) was induced, and expression of anabolic mediators (matrix synthesis and proliferation/differentiation) was repressed. Potential marker genes to define and influence cartilage/chondrocyte integrity and regeneration were determined and include already established genes (COX-2, CXCR-4, IL-1RN, IL-6/8, MMP-10/12, and TLR-2) and novel genes (ADORA2A, BCL2-A1, CTGF, CXCR-7, CYR-61, HSD11B-1, IL-23A, MARCKS, MXRA-5, NDUFA4L2, NR4A3, SMS, STS, TNFAIP-2, and TXNIP). Antirheumatic treatment with SAIDs showed complete and strong reversion of RA-related gene expression in human chondrocytes, whereas treatment with NSAIDs and the DMARD chloroquine phosphate had only moderate to minor effects. Treatment with the DMARDs azathioprine, gold sodium thiomalate, and methotrexate efficiently reverted chondrocyte RA-related gene expression toward the 'healthy' level. Pathways of cytokine-cytokine receptor interaction, transforming growth factor-beta/Toll-like receptor/Jak-STAT (signal transducer and activator of transcription) signalling and extracellular matrix receptor interaction were targeted by antirheumatics. CONCLUSIONS Our findings indicate that RA-relevant stimuli result in the molecular activation of catabolic and inflammatory processes in human chondrocytes that are reverted by antirheumatic treatment. Candidate genes that evolved in this study for new therapeutic approaches include suppression of specific immune responses (COX-2, IL-23A, and IL-6) and activation of cartilage regeneration (CTGF and CYR-61).
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Affiliation(s)
- Kristin Andreas
- Tissue Engineering Laboratory and Berlin-Brandenburg Center for Regenerative Therapies, Department of Rheumatology, Charité-Universitätsmedizin Berlin, Tucholskystrasse 2, 10117 Berlin, Germany.
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