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Rodriguez-Merchan EC. Synovium and cartilage biomarkers in hemophilic arthropathy. Expert Rev Hematol 2016; 9:409-14. [DOI: 10.1586/17474086.2016.1141674] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Jiao Q, Wei L, Chen C, Li P, Wang X, Li Y, Guo L, Zhang C, Wei X. Cartilage oligomeric matrix protein and hyaluronic acid are sensitive serum biomarkers for early cartilage lesions in the knee joint. Biomarkers 2015; 21:146-51. [PMID: 26634947 DOI: 10.3109/1354750x.2015.1118547] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The purpose of this study was to evaluate the relationship between five previously established serum osteoarthritis biomarkers and the severity of cartilage lesions in the knee. Cartilage damage (classified according to the Outerbridge scoring system) and serum concentrations of cartilage oligomeric matrix protein (COMP), collagen type II C-telopeptide (CTX-II), matrix metalloproteinase-3 (MMP-3), collagen type III N-propeptide, (PIIINP), and hyaluronic acid (HA) were determined in 79 patients who underwent knee arthroscopy or total knee replacement. HA and COMP concentrations were significantly higher in the Outerbridge score 1 and 2 groups, respectively. These results suggest that serum COMP and HA concentrations can be used to predict early cartilage lesions in the knee.
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Affiliation(s)
- Qiang Jiao
- a Department of Orthopedics , Shanxi Key Lab of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University , Taiyuan, Shanxi Province , People's Republic of China and
| | - Lei Wei
- a Department of Orthopedics , Shanxi Key Lab of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University , Taiyuan, Shanxi Province , People's Republic of China and.,b Department of Orthopedics , Rhode Island Hospital, Warren Alpert Medical School of Brown University , Providence , RI , USA
| | - Chongwei Chen
- a Department of Orthopedics , Shanxi Key Lab of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University , Taiyuan, Shanxi Province , People's Republic of China and
| | - Pengcui Li
- a Department of Orthopedics , Shanxi Key Lab of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University , Taiyuan, Shanxi Province , People's Republic of China and
| | - Xiaohu Wang
- a Department of Orthopedics , Shanxi Key Lab of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University , Taiyuan, Shanxi Province , People's Republic of China and
| | - Yongping Li
- a Department of Orthopedics , Shanxi Key Lab of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University , Taiyuan, Shanxi Province , People's Republic of China and
| | - Li Guo
- a Department of Orthopedics , Shanxi Key Lab of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University , Taiyuan, Shanxi Province , People's Republic of China and
| | - Congming Zhang
- a Department of Orthopedics , Shanxi Key Lab of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University , Taiyuan, Shanxi Province , People's Republic of China and
| | - Xiaochun Wei
- a Department of Orthopedics , Shanxi Key Lab of Bone and Soft Tissue Injury Repair, The Second Hospital of Shanxi Medical University , Taiyuan, Shanxi Province , People's Republic of China and
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Yusup A, Kaneko H, Liu L, Ning L, Sadatsuki R, Hada S, Kamagata K, Kinoshita M, Futami I, Shimura Y, Tsuchiya M, Saita Y, Takazawa Y, Ikeda H, Aoki S, Kaneko K, Ishijima M. Bone marrow lesions, subchondral bone cysts and subchondral bone attrition are associated with histological synovitis in patients with end-stage knee osteoarthritis: a cross-sectional study. Osteoarthritis Cartilage 2015; 23:1858-64. [PMID: 26028139 DOI: 10.1016/j.joca.2015.05.017] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Revised: 05/16/2015] [Accepted: 05/20/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The aim of this study was to examine the osteoarthritis (OA)-related structural changes associated with histological synovitis in end-stage knee OA patients. METHODS Forty end-stage knee OA patients (female: 88%, mean age: 71.8 y) were enrolled. All participants underwent 3.0-T MRI. The structural changes, such as cartilage morphology, subchondral bone marrow lesion (BML), subchondral bone cyst (SBC), subchondral bone attrition (SBA), osteophytes, meniscal lesion and synovitis, were scored using the whole-organ MRI scoring (WORMS) method. Synovial samples were obtained from five regions of interest (ROIs) of the knee joint during total joint replacement surgery. The associations between the histological synovitis score (HSS) and WORMS or the synovial expression levels of cyclooxygenase (COX)-2, interleukin (IL)-1β, IL-6 and transforming growth factor (TGF)-β were examined using Spearman's correlation coefficient. RESULTS Among the seven OA-related structural changes, the BML, SBC, SBA and synovitis were significantly associated with the HSS (r = 0.33, 0.35, 0.48 and 0.36, respectively), while other morphological changes were not. Although synovial COX-2, IL-1β or IL-6 expression levels were not associated with the HSS, the synovial TGF-β expression levels were associated with the HSS. CONCLUSION The presence of BML, SBC and SBA was associated with histological synovitis in end-stage knee OA patients.
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Affiliation(s)
- A Yusup
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan; Research Institute for Diseases of Old Age, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - H Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - L Liu
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan; Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - L Ning
- Research Institute for Diseases of Old Age, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - R Sadatsuki
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - S Hada
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - K Kamagata
- Department of Radiology, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - M Kinoshita
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - I Futami
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - Y Shimura
- Department of Orthopedics, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan.
| | - M Tsuchiya
- Department of Orthopedics, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan.
| | - Y Saita
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - Y Takazawa
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - H Ikeda
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - S Aoki
- Department of Radiology, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - K Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan; Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan; Department of Pathophysiology for Locomotive and Neoplastic Diseases, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - M Ishijima
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan; Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan; Department of Pathophysiology for Locomotive and Neoplastic Diseases, Juntendo University Graduate School of Medicine, Tokyo, Japan.
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Sasaki E, Tsuda E, Yamamoto Y, Maeda S, Inoue R, Chiba D, Fujita H, Takahashi I, Umeda T, Nakaji S, Ishibashi Y. Serum hyaluronic acid concentration predicts the progression of joint space narrowing in normal knees and established knee osteoarthritis - a five-year prospective cohort study. Arthritis Res Ther 2015; 17:283. [PMID: 26453426 PMCID: PMC4600294 DOI: 10.1186/s13075-015-0793-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2015] [Accepted: 09/22/2015] [Indexed: 01/15/2023] Open
Abstract
Introduction Serum hyaluronic acid (sHA) is a serum biomarker for knee osteoarthritis (OA). Although sHA concentration is elevated in patients with knee OA, the relationship between serum concentration and disease progression remains unclear. We examined the relationship between sHA concentration and radiographic progression of knee OA in a cohort of individuals followed for 5 years. Methods We prospectively enrolled 444 individuals and measured their sHA concentrations at baseline. Anterior-posterior weight bearing knee radiographs were obtained at baseline and the 5-year endpoint. Osteoarthritic knee changes were classified according to Kellgren–Lawrence (KL) grade, and joint space narrowing (JSN) was measured using a Knee Osteoarthritis Computer-Aided Diagnosis (KOACAD) system. Correlations between sHA concentration, progression in KL grade, and JSN were assessed using regression models, taking into account potentially confounding factors. Results OA progressed from KL grades 0 or 1 in 129 of the 323 knees, and from KL grades 2 or 3 in 61 of the 119 knees. Higher sHA concentrations were correlated with KL grade progression (p = 0.004). The mean JSN, as assessed by KOACAD over 5 years, was 0.23 ± 0.55 mm, and sHA concentration was positively correlated with progression of JSN in KL grades 0 or 1 (p = 0.021) and KL grades 2 or 3 (p = 0.008) knees. Conclusion Serum HA concentration was positively correlated with progression of KL grade. sHA was also positively correlated with progression of JSN in knees with and without OA, suggesting that sHA concentration may be a useful predictor of knee OA progression.
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Affiliation(s)
- Eiji Sasaki
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan. .,Department of Social Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
| | - Eiichi Tsuda
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan.
| | - Yuji Yamamoto
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan.
| | - Shugo Maeda
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan.
| | - Ryo Inoue
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan.
| | - Daisuke Chiba
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan. .,Department of Social Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
| | - Hiroshi Fujita
- Glycoconjugate Research Center, Kurihama Plant, Seikagaku Corporation, Yokosuka, Japan.
| | - Ippei Takahashi
- Department of Social Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
| | - Takashi Umeda
- Department of Social Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
| | - Shigeyuki Nakaji
- Department of Social Medicine, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
| | - Yasuyuki Ishibashi
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori, 036-8562, Japan.
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Struglics A, Larsson S, Kumahashi N, Frobell R, Lohmander LS. Changes in Cytokines and Aggrecan ARGS Neoepitope in Synovial Fluid and Serum and in C-Terminal Crosslinking Telopeptide of Type II Collagen and N-Terminal Crosslinking Telopeptide of Type I Collagen in Urine Over Five Years After Anterior Cruciate Ligame. Arthritis Rheumatol 2015; 67:1816-25. [DOI: 10.1002/art.39146] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2014] [Accepted: 03/31/2015] [Indexed: 01/12/2023]
Affiliation(s)
| | | | - Nobuyuki Kumahashi
- Lund University, Lund, Sweden, and Shimane University School of Medicine; Izumo Japan
| | | | - L. Stefan Lohmander
- Lund University, Lund, Sweden, and University of Southern Denmark; Odense Denmark
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Abstract
OA (osteoarthritis) and RA (rheumatoid arthritis) lead to deterioration of the joints. Early OA is associated with loss of bone due to increased bone remodelling. A role for inflammation is thought to be integral to the pathology. RA is a chronic inflammatory disease of the synovium, a membrane lining the non-weight-bearing surfaces of the joint. The mainstay of RA diagnostic testing is for autoantibodies. Rheumatoid factor has been a primary diagnostic test; however, sensitivity is approximately 75%, but specificity is limited. Recently, detection of antibodies against cyclic citrullinated peptide, identified as a screening marker and marker of disease progression, has been proposed. Studies of glycation in arthritis have focused mostly on levels of AGEs (advanced glycation end-products), Nε-carboxymethyl-lysine and pentosidine. There was a weak correlation of skin and urinary pentosidine with joint damage in early-stage OA. RAGE (receptor for AGEs) is a cell-surface receptor in the synovial tissue of patients with OA and RA. The RAGE agonist S100A12 is increased in RA and OA. Activation of RAGE may decrease expression of Glo1 (glyoxalase I). Conflict between RAGE-activated inflammatory signalling and Nrf2 (nuclear factor-erythroid 2-related factor 2) regulation of basal and inducible expression of Glo1 may be involved. Thereby glyoxal- and methylglyoxal-derived AGEs may be increased in OA and RA. Further studies are now required to investigate the role of glyoxalase and dicarbonyl glycation in OA and RA for early-stage diagnosis and potential novel preventive therapy.
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Evaluation of prolidase activity and oxidative status in patients with knee osteoarthritis: relationships with radiographic severity and clinical parameters. Rheumatol Int 2015; 35:1725-31. [DOI: 10.1007/s00296-015-3290-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Accepted: 05/13/2015] [Indexed: 10/23/2022]
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58
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Zeng C, Li YS, Lei GH. Synovitis in knee osteoarthritis: a precursor or a concomitant feature? Ann Rheum Dis 2015; 74:e58. [PMID: 25934840 DOI: 10.1136/annrheumdis-2015-207775] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 04/17/2015] [Indexed: 11/03/2022]
Affiliation(s)
- Chao Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Yu-Sheng Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Guang-Hua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
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Análise dos níveis séricos do biomarcador CTX‐II em atletas profissionais de futebol de salão durante uma temporada. Rev Bras Ortop 2015. [DOI: 10.1016/j.rbo.2014.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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60
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Analysis on the serum levels of the biomarker CTX-II in professional indoor soccer players over the course of one season. Rev Bras Ortop 2015; 50:331-5. [PMID: 26229939 PMCID: PMC4519574 DOI: 10.1016/j.rboe.2015.04.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Accepted: 06/30/2014] [Indexed: 12/12/2022] Open
Abstract
Objective The aim of this study was to analyze the blood serum levels of CTX-II in professional indoor soccer players, at three different times during one season: at the start of the pre-season, four months later (a time that marks the middle of the season) and at the end of the season. Methods Fourteen male soccer players of mean age 19 years were included. Blood samples of 3 mL were collected from each individual. The samples were analyzed by means of Elisa tests. Results There was a significant increase in the serum level of CTX-II in the indoor soccer players, from the beginning to the end of the season (p < 0.01). Conclusion These data suggest that joint degradation had occurred in these soccer players, by the end of this period. It is evident that further studies are needed, with methodological rigor, so as to make an effective contribution toward precise elucidation of the etiology of this osteoarthritis and its relationship with the biomarkers, as a tool for early diagnosis.
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Serum levels of proinflammatory cytokines in painful knee osteoarthritis and sensitization. Int J Inflam 2015; 2015:329792. [PMID: 25821631 PMCID: PMC4363921 DOI: 10.1155/2015/329792] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 12/23/2014] [Accepted: 01/23/2015] [Indexed: 11/26/2022] Open
Abstract
Osteoarthritis (OA) is the most common joint disorder in the world. Among the mechanisms involved in osteoarthritis, biomarkers (cytokines profile) may be related to pain and pain intensity, functional capacity, and pressure pain thresholds (PPT). Thus, the study of these relationships may offer useful information about pathophysiology and associated mechanisms involved in osteoarthritis. Therefore, the objective of this study was to investigate the seric concentration of pro (IL-6, IL-8, and TNF-α) and anti-inflammatory (IL-10) cytokines in patients with painful knee osteoarthritis and to correlate the levels of these biomarkers with the patients' functional capacity and pressure pain threshold (PPT) values.
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Van Spil WE, Nair SC, Kinds MB, Emans PJ, Hilberdink WKHA, Welsing PMJ, Lafeber FPJG. Systemic biochemical markers of joint metabolism and inflammation in relation to radiographic parameters and pain of the knee: data from CHECK, a cohort of early-osteoarthritis subjects. Osteoarthritis Cartilage 2015; 23:48-56. [PMID: 25205017 DOI: 10.1016/j.joca.2014.09.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Revised: 08/07/2014] [Accepted: 09/01/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To investigate associations of biochemical markers of joint metabolism and inflammation with minimum joint space width (JSW) and osteophyte area (OP area) of knees showing no or doubtful radiographic osteoarthritis (OA) and to investigate whether these differed between painful and non-painful knees. DESIGN Serum (s-) and urinary (u-) levels of the cartilage markers uCTX-II, sCOMP, sPIIANP, and sCS846, bone markers uCTX-I, uNTX-I, sPINP, and sOC, synovial markers sPIIINP and sHA, and inflammation markers hsCRP and erythrocyte sedimentation rate (ESR) were assessed in subjects from CHECK (Cohort Hip and Cohort Knee) demonstrating Kellgren and Lawrence grade ≤1 OA on knee radiographs. Minimum JSW and OP area of these knees were quantified in detail using Knee Images Digital Analysis (KIDA). RESULTS uCTX-II levels showed negative associations with minimum JSW and positive associations with OP area. sCOMP and sHA levels showed positive associations with OP area, but not with minimum JSW. uCTX-I and uNTX-I levels showed negative associations with minimum JSW and OP area. Associations of biochemical marker levels with minimum JSW were similar between painful and non-painful knees, associations of uCTX-II, sCOMP, and sHA with OP area were only observed in painful knees. CONCLUSIONS In these subjects with no or doubtful radiographic knee OA, uCTX-II might not only reflect articular cartilage degradation but also endochondral ossification in osteophytes. Furthermore, sCOMP and sHA relate to osteophytes, maybe because synovitis drives osteophyte development. High bone turnover may aggravate articular cartilage loss. Metabolic activity in osteophytes and synovial tissue, but not in articular cartilage may be related to knee pain.
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Affiliation(s)
- W E Van Spil
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, PO Box 85500, 3508 GA, Utrecht, The Netherlands.
| | - S C Nair
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, PO Box 85500, 3508 GA, Utrecht, The Netherlands.
| | - M B Kinds
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, PO Box 85500, 3508 GA, Utrecht, The Netherlands.
| | - P J Emans
- Department of Orthopaedic Surgery, Maastricht University Medical Center, PO Box 5800, 6202 AZ, Maastricht, The Netherlands.
| | - W K H A Hilberdink
- Allied Health Care Center for Rheumatology and Rehabilitation Groningen, Helpermolenstraat 25, 9721 BT, Groningen, The Netherlands.
| | - P M J Welsing
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, PO Box 85500, 3508 GA, Utrecht, The Netherlands.
| | - F P J G Lafeber
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, PO Box 85500, 3508 GA, Utrecht, The Netherlands.
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Lotz M, Martel-Pelletier J, Christiansen C, Brandi ML, Bruyère O, Chapurlat R, Collette J, Cooper C, Giacovelli G, Kanis JA, Karsdal MA, Kraus V, Lems WF, Meulenbelt I, Pelletier JP, Raynauld JP, Reiter-Niesert S, Rizzoli R, Sandell LJ, Van Spil WE, Reginster JY. Republished: Value of biomarkers in osteoarthritis: current status and perspectives. Postgrad Med J 2014; 90:171-8. [PMID: 24534711 PMCID: PMC3934547 DOI: 10.1136/postgradmedj-2013-203726rep] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Osteoarthritis affects the whole joint structure with progressive changes in cartilage, menisci, ligaments and subchondral bone, and synovial inflammation. Biomarkers are being developed to quantify joint remodelling and disease progression. This article was prepared following a working meeting of the European Society for Clinical and Economic Aspects of Osteoporosis and Osteoarthritis convened to discuss the value of biochemical markers of matrix metabolism in drug development in osteoarthritis. The best candidates are generally molecules or molecular fragments present in cartilage, bone or synovium and may be specific to one type of joint tissue or common to them all. Many currently investigated biomarkers are associated with collagen metabolism in cartilage or bone, or aggrecan metabolism in cartilage. Other biomarkers are related to non-collagenous proteins, inflammation and/or fibrosis. Biomarkers in osteoarthritis can be categorised using the burden of disease, investigative, prognostic, efficacy of intervention, diagnostic and safety classification. There are a number of promising candidates, notably urinary C-terminal telopeptide of collagen type II and serum cartilage oligomeric protein, although none is sufficiently discriminating to differentiate between individual patients and controls (diagnostic) or between patients with different disease severities (burden of disease), predict prognosis in individuals with or without osteoarthritis (prognostic) or perform so consistently that it could function as a surrogate outcome in clinical trials (efficacy of intervention). Future avenues for research include exploration of underlying mechanisms of disease and development of new biomarkers; technological development; the ‘omics’ (genomics, metabolomics, proteomics and lipidomics); design of aggregate scores combining a panel of biomarkers and/or imaging markers into single diagnostic algorithms; and investigation into the relationship between biomarkers and prognosis.
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Affiliation(s)
- M Lotz
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, , La Jolla, California, USA
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Ishijima M, Kaneko H, Kaneko K. The evolving role of biomarkers for osteoarthritis. Ther Adv Musculoskelet Dis 2014; 6:144-53. [PMID: 25342994 DOI: 10.1177/1759720x14541175] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Osteoarthritis (OA) is an increasingly important public health concern as the prevalence of this disease becomes higher and higher due to the ageing population. However, in addition to the absence of disease-modifying treatments, there are no sensitive diagnostic techniques beyond classical radiography, and physicians cannot predict who will progress with the disease. As a result, disease progression cannot be prevented or halted. Therefore, there is an urgent need for more effective techniques than radiography. Reliable, quantitative and dynamic tests to detect early damage and measure the progress of treatments targeted against joint destruction are required. Biomarkers, in addition to magnetic resonance imaging, are tools that can address these therapeutic shortcomings. Structural molecules and fragments derived from bone, cartilage and the synovium, all of which are affected by OA, have been reported to be potential candidates for biomarkers of OA. As the identification of biomarkers that can be applied more broadly from the very early to the end stages of knee OA is required, advances in the OA biomarker field remain challenging, but steadily progressive. Such advances will come not only from basic, but also preclinical and clinical research. In this review, we highlight recent OA biomarker studies generally published between 2011 and 2012. We classified the studies in this review into the following three categories: unique characteristics of the urinary level of C-terminal telopeptide of type II collagen; insight into the pathophysiology of OA revealed by biochemical biomarkers; and candidates for novel biomarkers of OA revealed by proteomics.
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Affiliation(s)
- Muneaki Ishijima
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, 2-1-1, Hongo, Bunkyo-ku, Tokyo 113-8421, Japan
| | - Haruka Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Kazuo Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, and Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
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Ritter SY, Collins J, Krastins B, Sarracino D, Lopez M, Losina E, Aliprantis AO. Mass spectrometry assays of plasma biomarkers to predict radiographic progression of knee osteoarthritis. Arthritis Res Ther 2014; 16:456. [PMID: 25287745 PMCID: PMC4207325 DOI: 10.1186/s13075-014-0456-6] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Accepted: 09/11/2014] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Biomarkers to identify osteoarthritis (OA) patients at risk for disease progression are needed. As part of a proteomic analysis of knee synovial fluid from normal and OA patients, differentially expressed proteins were identified that could represent potential biomarkers for OA. This study aimed to use mass spectrometry assays to identify representative peptides from several proteins in synovial fluid and peripheral blood, and assess their levels as biomarkers of OA progression. METHODS Multiplexed high throughput selected reaction monitoring (SRM) assays were developed to measure tryptic peptides representative of 23 proteins in matched serum and synovial fluid samples from late OA subjects at the time of joint replacement. Subsequently plasma samples from the baseline visit of 173 subjects in an observational OA cohort were tested by SRM for peptides from nine of these proteins: afamin, clusterin, cartilage oligomeric matrix protein, hepatocyte growth factor, kallistatin, insulin-like growth factor binding protein, acid labile subunit, lubricin, lumican, and pigment epithelium-derived factor. Linear regression was used to determine the association between the peptide biomarker level at baseline and change in joint space width (ΔJSW) from baseline to 30 months, adjusting for age and sex. RESULTS In the matched cohort, 17 proteins could be identified in synovial fluid and 16 proteins were detected in serum. For the progression cohort, the average age was 62 and average ΔJSW over 30 months was 0.68 mm. A high correlation between different peptides from individual proteins was observed, indicating our assays correctly measured their target proteins. Peptides representative of clusterin, lumican and lubricin showed statistically significant associations with joint space narrowing after adjustment for age and sex. Partial R2 values showed clusterin FMETVAEK and lubricin LVEVNPK peptide biomarkers explains about 2 to 3% of the variability of ΔJSW, similar to that explained by age. A biomarker score combining normalized data for both lubricin and clusterin peptides increased the model R2 to 0.079. CONCLUSIONS Our results suggest that when combined, levels of peptides representative of clusterin and lubricin in plasma are as predictive of OA progression as age. Replication of these findings in other prospective OA cohorts is planned.
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Hada S, Kaneko H, Sadatsuki R, Liu L, Futami I, Kinoshita M, Yusup A, Saita Y, Takazawa Y, Ikeda H, Kaneko K, Ishijima M. The degeneration and destruction of femoral articular cartilage shows a greater degree of deterioration than that of the tibial and patellar articular cartilage in early stage knee osteoarthritis: a cross-sectional study. Osteoarthritis Cartilage 2014; 22:1583-9. [PMID: 25278068 DOI: 10.1016/j.joca.2014.07.021] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Revised: 07/20/2014] [Accepted: 07/24/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The aim of the present study was to examine whether the degenerative and morphological changes of articular cartilage in early stage knee osteoarthritis (OA) occurred equally for both femoral- and tibial- or patellar- articular cartilage using magnetic resonance imaging (MRI)-based analyses. DESIGN This cross-sectional study was approved by the ethics committee of our university. Fifty patients with early stage painful knee OA were enrolled. The patients underwent 3.0 T MRI on the affected knee joint. Healthy volunteers who did not show MRI-based OA changes were also recruited as controls (n = 19). The degenerative changes of the articular cartilage were quantified by a T2 mapping analysis, and any structural changes were conducted using Whole Organ Magnetic Resonance Imaging Score (WORMS) technique. RESULTS All patients showed MRI-detected OA morphological changes. The T2 values of femoral condyle (FC) (P < 0.0001) and groove (P = 0.0001) in patients with early stage knee OA were significantly increased in comparison to those in the control, while no significant differences in the T2 values of patellar and tibial plateau (TP) were observed between the patients and the control. The WORMS cartilage and osteophyte scores of the femoral articular cartilage were significantly higher than those in the patellar- (P = 0.001 and P = 0.007, respectively) and tibial- (P = 0.0001 and P < 0.0001, respectively) articular cartilage in the patients with early stage knee OA. CONCLUSIONS The degradation and destruction of the femoral articular cartilage demonstrated a greater degree of deterioration than those of the tibial- and patellar- articular cartilage in patients with early stage knee OA.
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Affiliation(s)
- S Hada
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - H Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - R Sadatsuki
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - L Liu
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan; Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - I Futami
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - M Kinoshita
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - A Yusup
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - Y Saita
- Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - Y Takazawa
- Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - H Ikeda
- Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - K Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan; Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan.
| | - M Ishijima
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan; Sportology Center, Juntendo University Graduate School of Medicine, Tokyo, Japan.
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Liu L, Ishijima M, Kaneko H, Futami I, Sadatsuki R, Hada S, Yusup A, Shimura Y, Kubota M, Saita Y, Takazawa Y, Ikeda H, Kurosawa H, Kaneko K. Disability for daily living is a predictor for joint replacement in patients with end-stage knee osteoarthritis. J Bone Miner Metab 2014; 32:192-9. [PMID: 23921831 DOI: 10.1007/s00774-013-0487-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2012] [Accepted: 05/20/2013] [Indexed: 10/26/2022]
Abstract
The objective indicators which reflect the past results of end-stage knee osteoarthritis (OA) patients who have already received total knee arthroplasty (TKA) could be helpful for physicians to discuss with patients who are considering TKA. The aim of this prospective cohort study was to examine whether we could predict the knee OA patients who would receive TKA in advance based on baseline data, and to set cut-off points for receiving TKA. The two-hundred and forty end-stage medial-type knee OA patients were enrolled and followed up for 6 months while performing therapeutic exercises. Radiographic findings, visual analog scale for pain and a patient-oriented outcome measure, the Japanese Knee Osteoarthritis Measure (JKOM), were recorded at baseline. Relative risks (RRs) using the area under the curve (AUC) for a receiver operating characteristic (ROC) curve were calculated to evaluate several scores for receiving TKA. While 119 patients (55.3 %) did not undergo TKA, the remaining 96 patients (44.7 %) underwent TKA during this period. The AUCs of the ROC curve for the JKOM total score [0.71 (95 % CI 0.64-0.79)] were higher than those for radiographic parameters. Among the JKOM subcategories, JKOM category III, which indicates the condition in daily life, showed the highest AUC of 0.72 (0.65-0.80). The JKOM total score (65/100) and JKOM category III score (17/40) showed RRs of 2.20 (1.33-3.63) and 1.95 (1.18-3.22) for receiving TKA, respectively. The presence of disability in daily living was found to be an important factor determining whether the patient should undergo TKA.
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Affiliation(s)
- Lizu Liu
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
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Arden NK, Åkermark C, Andersson M, Todman MG, Altman RD. A randomized saline-controlled trial of NASHA hyaluronic acid for knee osteoarthritis. Curr Med Res Opin 2014; 30:279-86. [PMID: 24168077 DOI: 10.1185/03007995.2013.855631] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE NASHA hyaluronic acid is administered as a single intra-articular injection to treat the symptoms of osteoarthritis (OA). In a previous trial, post-hoc analysis indicated that NASHA provides significantly greater pain relief than saline in patients with OA confined to the study knee. We aimed to evaluate the safety and efficacy of NASHA in patients with unilateral knee OA. RESEARCH DESIGN AND METHODS This was a randomized, double-blind, saline-controlled trial. All patients had knee OA confirmed by American College of Rheumatology criteria and a WOMAC pain score of 7-17 in the study knee, but no pain in the previous 3 months in the non-study knee. Treatment comprised a single intra-articular injection of NASHA or saline control. The follow-up period was 6 weeks. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov NCT01806207. MAIN OUTCOME MEASURES The primary efficacy endpoint was the responder rate, defined as the percentage of patients with ≥40% improvement from baseline in WOMAC pain score and an absolute improvement of ≥5 points. RESULTS A total of 218 patients received study treatment (NASHA: 108, saline: 110). In the main intention-to-treat (ITT) analysis, no statistically significant difference in responder rate was found between the two groups at 6 weeks (NASHA: 30.6%; saline: 26.4%). A post-hoc subgroup analysis of patients without clinical effusion in the study knee at baseline showed a significantly higher 6 week responder rate with NASHA than with saline: 40.6% versus 19.7% (p = 0.0084). A total of 68 adverse events were reported among 44 patients in the NASHA group, compared with 69 adverse events among 44 patients in the saline group. The main weakness of the study was the short, 6 week follow-up duration. In addition, image guidance was not used to ensure injection as intended into the intra-articular space. CONCLUSIONS Single-injection NASHA was well tolerated and, although there was no significant benefit versus saline control in the primary analysis, post-hoc analysis showed a statistically significant improvement in pain relief at 6 weeks among patients without clinical effusion at baseline.
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Affiliation(s)
- Nigel K Arden
- NIHR Musculoskeletal Biomedical Research Unit, University of Oxford , UK
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Ishijima M, Nakamura T, Shimizu K, Hayashi K, Kikuchi H, Soen S, Omori G, Yamashita T, Uchio Y, Chiba J, Ideno Y, Kubota M, Kurosawa H, Kaneko K. Intra-articular hyaluronic acid injection versus oral non-steroidal anti-inflammatory drug for the treatment of knee osteoarthritis: a multi-center, randomized, open-label, non-inferiority trial. Arthritis Res Ther 2014; 16:R18. [PMID: 24443804 PMCID: PMC3979073 DOI: 10.1186/ar4446] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2013] [Accepted: 01/08/2014] [Indexed: 12/05/2022] Open
Abstract
Introduction While many of the commonly used conservative treatments for knee osteoarthritis (OA) have been recognized to be effective, there is still insufficient evidence available. Among the pharmacological treatments for knee OA, oral non-steroidal anti-inflammatory drugs (NSAIDs) act rapidly and are recommended for the management of OA. However, frequent and serious adverse effects of NSAIDs have been recognized. Intra-articular injections of hyaluronic acid (IA-HA) for the treatment of knee OA have been shown to reduce pain and improve joint function. However, there has been no qualified direct comparison study of the efficacy and safety between IA-HA and NSAIDs for patients with knee OA. The aim of this study was to clarify the efficacy and safety of early-phase IA-HA in comparison to those of NSAIDs for patients with knee OA. Methods This multicenter, randomized, open-label, parallel-group, non-inferiority comparison study with an oral NSAID involved a total of 200 patients with knee OA. An independent, computer-generated randomization sequence was used to randomly assign patients in a 1:1 ratio to NSAIDs three times per day for five weeks (n = 100) or IA-HA once a week for five weeks (n = 100). The primary endpoint was the percentage change in the patient-oriented outcome measure for knee OA, the Japanese Knee Osteoarthritis Measure (JKOM) score. All patients were questioned regarding any adverse events during treatment. The full analysis set (FAS) was used for analysis. The margin of non-inferiority was 10%. Results The analyses of primary endpoint included 98 patients in the IA-HA group and 86 patients in the NSAID group. The difference in the percentage changes of the JKOM score between the two intervention arms (IA-HA; -34.7% (P<0.001), NSAID; -32.2% (P<0.001)) was -2.5% (95% confidence interval (CI): -14.0 to 9.1), indicating IA-HA was not inferior to NSAID. The frequency of both withdrawal and adverse events in the IA-HA group were significantly lower than those in the NSAID group (P = 0.026 and 0.004, respectively). Conclusions The early efficacy of IA-HA is suggested to be not inferior to that of NSAIDs, and that the safety of the early phase of IA-HA is superior to that of NSAIDs for patients with knee OA. Trial registration UMIN Clinical Trials Registry (UMIN-CTR), UMIN000001026.
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Abstract
Osteoarthritis (OA) is a disease of the joint, and age is the major risk factor for its development. Clinical manifestation of OA includes joint pain, stiffness, and loss of mobility. Currently, no pharmacological treatments are available to treat this specific joint disease; only symptom-modifying drugs are available. Improvement in imaging technology, identification of biomarkers, and increased understanding of the molecular basis of OA will aid in detecting the early stages of disease. Yet the development of interventional strategies remains elusive and will be critical for effective prevention of OA-associated joint destruction. The potential of cell-based therapies may be applicable in improving joint function in mild to more advanced cases of OA. Ongoing studies to understand the basis of this disease will eventually lead to prevention and treatment strategies and will also be a key in reducing the social and economic burden of this disease. Nurses are advised to provide an integrative approach of disease assessment and management in OA patients' care with a focus on education and implementation. Knowledge and understanding of OA and how this affects the individual patient form the basis for such an integrative approach to all-round patient care and disease management.
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Shimura Y, Kurosawa H, Sugawara Y, Tsuchiya M, Sawa M, Kaneko H, Futami I, Liu L, Sadatsuki R, Hada S, Iwase Y, Kaneko K, Ishijima M. The factors associated with pain severity in patients with knee osteoarthritis vary according to the radiographic disease severity: a cross-sectional study. Osteoarthritis Cartilage 2013; 21:1179-84. [PMID: 23973128 DOI: 10.1016/j.joca.2013.05.014] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2013] [Revised: 04/09/2013] [Accepted: 05/20/2013] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Knee osteoarthritis (OA) pain is suggested to be associated with inflammation and detrimental mechanical loading across the joint. In this cross-sectional study, we simultaneously examined the inflammation and alignment of the lower limb and examined how the pain components varied depending on the disease progression. DESIGN One-hundred sixty female medial type of early- [n = 74 in Kellgren-Lawrence (K/L) 2] to advanced-stage (n = 96 in K/L >2) knee OA subjects (70.5 years on average) were enrolled. Knee pain was evaluated using a pain visual analog scale (VAS) and the pain-related subcategory of the Japanese Knee Osteoarthritis Measure (JKOM-pain). The serum interleukin (sIL)-6 level reflecting synovitis, and the high sensitivity C-reactive protein (hs-CRP) level were measured to evaluate the severity of inflammation. The anatomical axis angle (AAA) was measured as an alignment index. The β-coefficient was estimated after adjusting for age and the body mass index (BMI) using a multiple linear regression analysis. RESULTS Multiple linear regression analyses showed that the sIL-6 levels, but not AAA, associated with the pain VAS [β = 10.77 (95% confidence interval (CI): 4.14-17.40), P < 0.01] and JKOM-pain scores [β = 3.19 (95% CI: 1.93-4.44), P < 0.001] in the early stage. Conversely, AAA, but not the sIL-6 levels, was found to be associated with the pain VAS [β = -1.29 (95% CI: -2.51 to -0.08), P < 0.05] and JKOM-pain scores [β = -0.49 (95% CI: -0.82 to -0.16), P < 0.01] in the advanced stage. CONCLUSIONS The presence of a higher level of sIL-6 and the varus alignment of the joint is associated with pain in early- and advanced-stage knee OA patients, respectively.
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Affiliation(s)
- Y Shimura
- Department of Orthopedics, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan.
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Lotz M, Martel-Pelletier J, Christiansen C, Brandi ML, Bruyère O, Chapurlat R, Collette J, Cooper C, Giacovelli G, Kanis JA, Karsdal MA, Kraus V, Lems WF, Meulenbelt I, Pelletier JP, Raynauld JP, Reiter-Niesert S, Rizzoli R, Sandell LJ, Van Spil WE, Reginster JY. Value of biomarkers in osteoarthritis: current status and perspectives. Ann Rheum Dis 2013; 72:1756-63. [PMID: 23897772 PMCID: PMC3812859 DOI: 10.1136/annrheumdis-2013-203726] [Citation(s) in RCA: 199] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Osteoarthritis affects the whole joint structure with progressive changes in cartilage, menisci, ligaments and subchondral bone, and synovial inflammation. Biomarkers are being developed to quantify joint remodelling and disease progression. This article was prepared following a working meeting of the European Society for Clinical and Economic Aspects of Osteoporosis and Osteoarthritis convened to discuss the value of biochemical markers of matrix metabolism in drug development in osteoarthritis. The best candidates are generally molecules or molecular fragments present in cartilage, bone or synovium and may be specific to one type of joint tissue or common to them all. Many currently investigated biomarkers are associated with collagen metabolism in cartilage or bone, or aggrecan metabolism in cartilage. Other biomarkers are related to non-collagenous proteins, inflammation and/or fibrosis. Biomarkers in osteoarthritis can be categorised using the burden of disease, investigative, prognostic, efficacy of intervention, diagnostic and safety classification. There are a number of promising candidates, notably urinary C-terminal telopeptide of collagen type II and serum cartilage oligomeric protein, although none is sufficiently discriminating to differentiate between individual patients and controls (diagnostic) or between patients with different disease severities (burden of disease), predict prognosis in individuals with or without osteoarthritis (prognostic) or perform so consistently that it could function as a surrogate outcome in clinical trials (efficacy of intervention). Future avenues for research include exploration of underlying mechanisms of disease and development of new biomarkers; technological development; the ‘omics’ (genomics, metabolomics, proteomics and lipidomics); design of aggregate scores combining a panel of biomarkers and/or imaging markers into single diagnostic algorithms; and investigation into the relationship between biomarkers and prognosis.
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Affiliation(s)
- M Lotz
- Department of Molecular and Experimental Medicine, The Scripps Research Institute, , La Jolla, California, USA
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Tchetina EV, Poole AR, Zaitseva EM, Sharapova EP, Kashevarova NG, Taskina EA, Alekseeva LI, Semyonova LA, Glukhova SI, Kuzin AN, Makarov MA, Makarov SA. Differences in Mammalian target of rapamycin gene expression in the peripheral blood and articular cartilages of osteoarthritic patients and disease activity. ARTHRITIS 2013; 2013:461486. [PMID: 23864948 PMCID: PMC3707211 DOI: 10.1155/2013/461486] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 05/12/2013] [Accepted: 05/12/2013] [Indexed: 01/12/2023]
Abstract
The gene expression of mTOR, autophagy-related ULK1, caspase 3, CDK-inhibitor p21, and TNF α was measured in the peripheral blood of osteoarthritic (OA) patients at different stages of the disease aiming to establish a gene expression profile that might indicate the activity of the disease and joint destruction. Whole blood of 65 OA outpatients, 27 end-stage OA patients, 27 healthy volunteers, and knee articular cartilages of 28 end-stage OA patients and 26 healthy subjects were examined. OA outpatients were subjected to clinical testing, ultrasonography, and radiographic and WOMAC scoring. Protein levels of p70-S6K, p21, and caspase 3 were quantified by ELISA. Gene expression was measured using real-time RT-PCR. Upregulation of mTOR gene expression was observed in PBMCs of 42 OA outpatients ("High mTOR expression subset") and in PBMCs and articular cartilages of all end-stage OA patients. A positive correlation between mTOR gene expression in PBMCs and cartilage was observed in the end-stage OA patients. 23 OA outpatients in the "Low mTOR expression subset" exhibited significantly lower mTOR gene expression in PBMCs compared to healthy controls. These "Low mTOR" subset subjects experienced significantly more pain upon walking, and standing and increased total joint stiffness versus "High mTOR" subset, while the latter more often exhibited synovitis. The protein concentrations of p70-S6K, p21, and caspase 3 in PBMCs were significantly lower in the "Low" subset versus "High" subset and end-stage subjects. Increases in the expression of mTOR in PBMCs of OA patients are related to disease activity, being associated with synovitis more than with pain.
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Affiliation(s)
- Elena V. Tchetina
- Clinical Immunology Department, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
| | - A. Robin Poole
- Department of Surgery, McGill University, Montreal, QC, Canada H3A OG4
| | - Elena M. Zaitseva
- Osteoarthritis Laboratory, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
| | - Eugeniya P. Sharapova
- Osteoarthritis Laboratory, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
| | - Natalya G. Kashevarova
- Osteoarthritis Laboratory, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
| | - Elena A. Taskina
- Osteoarthritis Laboratory, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
| | - Liudmila I. Alekseeva
- Osteoarthritis Laboratory, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
| | - Liudmila A. Semyonova
- Pathomorphology Department, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
| | - Svetlana I. Glukhova
- Statistics Department, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
| | - Alexandr N. Kuzin
- Forensic Medicine Service, Moscow City Health Department, Moscow 111020, Russia
| | - Maxim A. Makarov
- Surgery Department, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
| | - Sergey A. Makarov
- Surgery Department, Research Institute of Rheumatology, Russian Academy of Medical Sciences, Moscow 115522, Russia
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Kaneko H, Ishijima M, Futami I, Tomikawa-Ichikawa N, Kosaki K, Sadatsuki R, Yamada Y, Kurosawa H, Kaneko K, Arikawa-Hirasawa E. Synovial perlecan is required for osteophyte formation in knee osteoarthritis. Matrix Biol 2013; 32:178-87. [PMID: 23339896 PMCID: PMC3843243 DOI: 10.1016/j.matbio.2013.01.004] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2012] [Revised: 12/22/2012] [Accepted: 01/11/2013] [Indexed: 10/27/2022]
Abstract
The osteophyte associated with osteoarthritis (OA) is a bony outgrowth formed at the margins of the affected joint through endochondral ossification-like processes. However, the mechanism of osteophyte formation and its pathogenesis are unclear. Perlecan (Hspg2), a heparan sulfate proteoglycan, is expressed in many extracellular tissues and plays critical roles in skeletal development and diseases. The aim of the present study is to identify the role of synovial perlecan in osteophyte formation using perinatal lethality rescued perlecan-knockout mice (Hspg2(-/-)-Tg) wherein perlecan expression is lacking in the synovial and other tissues, except for cartilage. We analyzed the development of osteophytes in joints of Hspg2(-/-)-Tg mice in two different animal models: the surgical OA model, in which the medial collateral ligament was transected and the medial meniscus was resected, and the TGF-β-induced osteophyte formation model. In the surgical OA model, the osteophyte size and maturation were significantly reduced in the OA joints of Hspg2(-/-)-Tg mice compared with control mice, while OA developed on the medial side of the knee joints with no differences in the cartilage degradation score or synovitis score between control and Hspg2(-/-)-Tg mice. The reduced osteophyte formation in Hspg2(-/-)-Tg mice was associated with reduced cell proliferation and chondrogenesis. In the TGF-β model, the osteophyte size and maturation were also significantly reduced in Hspg2(-/-)-Tg mice compared with control mice. Our findings suggest that synovial perlecan plays an important role in osteophyte development in OA, and they provide insights that may facilitate the development of OA therapy.
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Affiliation(s)
- Haruka Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Orthopedics, Juntendo University School of Medicine, Tokyo, Japan
| | - Muneaki Ishijima
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Orthopedics, Juntendo University School of Medicine, Tokyo, Japan
| | - Ippei Futami
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Orthopedics, Juntendo University School of Medicine, Tokyo, Japan
| | - Naoki Tomikawa-Ichikawa
- Research Institute for Diseases of Old Age, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Keisuke Kosaki
- Laboratory of Cell and Development Biology, NIDCR, NIH, Bethesda, MD, USA
| | - Ryo Sadatsuki
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Orthopedics, Juntendo University School of Medicine, Tokyo, Japan
| | - Yoshihiko Yamada
- Laboratory of Cell and Development Biology, NIDCR, NIH, Bethesda, MD, USA
| | - Hisashi Kurosawa
- Department of Orthopedics, Juntendo University School of Medicine, Tokyo, Japan
| | - Kazuo Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Orthopedics, Juntendo University School of Medicine, Tokyo, Japan
| | - Eri Arikawa-Hirasawa
- Research Institute for Diseases of Old Age, Juntendo University Graduate School of Medicine, Tokyo, Japan
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Tourville TW, Johnson RJ, Slauterbeck JR, Naud S, Beynnon BD. Relationship between markers of type II collagen metabolism and tibiofemoral joint space width changes after ACL injury and reconstruction. Am J Sports Med 2013; 41:779-87. [PMID: 23423314 PMCID: PMC6503972 DOI: 10.1177/0363546513476481] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Those who suffer anterior cruciate ligament (ACL) disruptions are at increased risk of experiencing posttraumatic osteoarthritis (OA); however, by the time they become symptomatic, irreversible damage has likely occurred. Little is known regarding the physiological changes in articular cartilage that occur after an ACL injury and the onset of OA. PURPOSE To assess whether patient, functional, and clinical outcomes and type II collagen metabolism are associated with abnormal tibiofemoral joint space width (JSW) 4 years after injury and reconstruction. STUDY DESIGN Cohort study; Level of evidence, 2. METHODS A total of 35 ACL-injured patients who underwent ACL reconstruction were enrolled soon after injury, as were 32 matched controls. At baseline and 1- and 4-year follow-ups, patient-oriented subjective and objective outcomes and markers of type II collagen metabolism (considered as the ratio of cleavage to synthesis of type II collagen) were evaluated, as were radiographic measurements of JSW changes about the medial and lateral compartments of the knee. ACL-injured patients were divided into normal and abnormal JSW groups. RESULTS Both ACL-injured groups (normal and abnormal JSW) had an increased ratio of collagen type I and II cleavage product (uC1,2C) to serum procollagen II C-propeptide (sCPII) compared with controls at 1- and 4-year follow-ups. Patients in the ACL group with an abnormal JSW difference had significantly increased cleavage-to-synthesis ratios of type II collagen (assessed as C-terminal cross-linked telopeptide of type II collagen [uCTX-II]/sCPII ratio) compared with controls at 4-year follow-up. ACL-injured patients with an abnormal JSW difference had significantly increased pain and decreased quality of life (Knee Injury and Osteoarthritis Outcome Score [KOOS]) scores than did ACL-injured patients with a normal JSW difference. CONCLUSION ACL-injured patients with an abnormal tibiofemoral JSW had diminished quality of life, increased pain, and increased type II collagen uCTX-II/sCPII ratios compared with healthy controls. These changes occurred over an interval shortly after injury in patients who were fully functional and who had normal clinical examination findings, no pivoting/giving-way episodes, and no decrease in activity level.
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Affiliation(s)
- Timothy W. Tourville
- Department of Orthopaedics and Rehabilitation, University of Vermont College of Medicine, Burlington, Vermont
| | - Robert J. Johnson
- Department of Orthopaedics and Rehabilitation, University of Vermont College of Medicine, Burlington, Vermont
| | - James R. Slauterbeck
- Department of Orthopaedics and Rehabilitation, University of Vermont College of Medicine, Burlington, Vermont
| | - Shelly Naud
- Department of Medical Biostatistics, University of Vermont, Burlington, Vermont
| | - Bruce D. Beynnon
- Department of Orthopaedics and Rehabilitation, University of Vermont College of Medicine, Burlington, Vermont.,Address correspondence to Bruce D. Beynnon, PhD, Department of Orthopaedics and Rehabilitation, University of Vermont College of Medicine, 95 Carrigan Drive, Stafford Hall 438A, Burlington, VT 05405 ()
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Hunt MA, Pollock CL, Kraus VB, Saxne T, Peters S, Huebner JL, Sayre EC, Cibere J. Relationships amongst osteoarthritis biomarkers, dynamic knee joint load, and exercise: results from a randomized controlled pilot study. BMC Musculoskelet Disord 2013; 14:115. [PMID: 23530976 PMCID: PMC3623736 DOI: 10.1186/1471-2474-14-115] [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: 05/23/2012] [Accepted: 03/14/2013] [Indexed: 12/03/2022] Open
Abstract
Background Little is known about the relationships of circulating levels of biomarkers of cartilage degradation with biomechanical outcomes relevant to knee osteoarthritis (OA) or biomarker changes following non-pharmacological interventions. The objectives of this exploratory, pilot study were to: 1) examine relationships between biomarkers of articular cartilage degradation and synthesis with measures of knee joint load during walking, and 2) examine changes in these biomarkers following 10 weeks of strengthening exercises. Methods Seventeen (8 male, 9 female; 66.1 +/- 11.3 years of age) individuals with radiographically-confirmed medial tibiofemoral OA participated. All participants underwent a baseline testing session where serum and urine samples were collected, followed by a three-dimensional motion analysis. Motion analysis was used to calculate the external knee adduction moment (KAM) peak value and impulse. Following baseline testing, participants were randomized to either 10 weeks of: 1) physiotherapist-supervised lower limb muscle strengthening exercises, or 2) no exercises (control). Identical follow-up testing was conducted 11 weeks after baseline. Biomarkers included: urinary C-telopeptide of type II collagen (uCTX-II) and type II collagen cleavage neoepitope (uC2C), serum cartilage oligomeric matrix protein (sCOMP), serum hyaluronic acid (sHA) and serum C-propeptide of type II procollagen (sCPII). Linear regression analysis was used to examine relationships between measures of the KAM and biomarker concentrations as baseline, as well as between-group differences following the intervention. Results KAM impulse predicted significant variation in uCTX-II levels at baseline (p = 0.04), though not when controlling for disease severity and walking speed (p = 0.33). KAM impulse explained significant variation in the ratio uCTX-II;sCPII even when controlling for additional variables (p = 0.04). Following the intervention, changes in sCOMP were significantly greater in the exercise group compared to controls (p = 0.04). On average those in the control group experienced a slight increase in sCOMP and uCTX-II, while those in the exercise group experienced a reduction. No other significant findings were observed. Conclusions This research provides initial evidence of a potential relationship between uCTX-II and knee joint load measures in patients with medial tibiofemoral knee OA. However, this relationship became non-significant after controlling for disease severity and walking speed, suggesting further research is necessary. It also appears that sCOMP is amenable to change following a strengthening intervention, suggesting a potential beneficial role of exercise on cartilage structure. Trial registration Clinicaltrials.gov NCT01241812
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Affiliation(s)
- Michael A Hunt
- Department of Physical Therapy, University of British Columbia, BC, Vancouver, Canada.
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Serum hyaluronan levels increase with the total number of osteoarthritic joints and are strongly associated with the presence of knee and finger osteoarthritis. INTERNATIONAL ORTHOPAEDICS 2013; 37:925-30. [PMID: 23508866 DOI: 10.1007/s00264-013-1849-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2012] [Accepted: 02/19/2013] [Indexed: 10/27/2022]
Abstract
PURPOSE Although serum hyaluronan (HA) levels increase in patients with osteoarthritis (OA), the association between OA severity and elevation of serum HA levels is not clear. Our purpose was to investigate the relationship between serum HA levels and OA in various anatomical sites and to detect which joints are strongly correlated with elevated serum HA levels. METHODS Seven hundred and ten individuals from the general population who participated in the Iwaki Health Promotion Project in 2008 were involved. Kellgren-Lawrence grade 2 or higher in the knee, hip, lumbar spine, finger and wrist was defined as OA. Serum HA levels were determined on the same day. Spearman's correlation coefficients between serum HA levels and total number of joints affected by OA were calculated. Linear regression was analysed with serum HA levels as the independent variable; age, gender, presence of OA and intake of supplements were used as dependent variables. RESULTS Prevalence of knee OA was 30.7 %, hip 16.8 %, lumbar spine 65.1 %, wrist 9.0 % and finger 22.0 %. Serum HA levels had a positive correlation with the number of involved joints, and the correlation coefficient was 0.410 (p < 0.001). Serum HA was significantly affected by age (β = 0.382), knee OA (β = 0.163) and finger OA (β = 0.164). CONCLUSION Although this biomarker reflects a systemic condition, higher serum HA levels were associated with total number of OA joints. Knee and finger OA were key joints related to increased serum HA levels. These results are valuable in understanding characteristics of serum HA levels as a biomarker for osteoarthritis.
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Kaneko H, Ishijima M, Doi T, Futami I, Liu L, Sadatsuki R, Yusup A, Hada S, Kubota M, Kawasaki T, Saita Y, Takazawa Y, Ikeda H, Kurosawa H, Kaneko K. Reference intervals of serum hyaluronic acid corresponding to the radiographic severity of knee osteoarthritis in women. BMC Musculoskelet Disord 2013; 14:34. [PMID: 23332084 PMCID: PMC3554472 DOI: 10.1186/1471-2474-14-34] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2012] [Accepted: 01/15/2013] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND While serum levels of hyarulonic acid (sHA) is known to be useful for a burden of disease biomarker in knee OA, it is far from practical. The reference intervals must be established for biomarkers to be useful for clinical interpretation. The aim of this study was to establish the reference intervals of sHA corresponding to the radiographic severity of knee OA for elucidating whether sHA can be useful as a burden of disease marker for individual patient with knee OA. METHODS 372 women with Kellgren & Lawrence grade (K/L) 1 through 4 painful knee OA were enrolled in this study. The patients included 54 with K/L 1, 96 with K/L 2, 97 with K/L 3, and 118 with K/L 4. Serum samples were obtained from all subjects on the day that radiographs taken. A HA binding protein based latex agglutination assay that employed an ELISA format was used to measure sHA. Age and BMI adjusted one way ANOVA was used to set the reference intervals of sHA. RESULTS The reference intervals for sHA corresponding to the patients with K/L 4 (49.6 - 66.5 ng/ml) was established without any overlap against to those with K/L 1, 2 and 3, while those with K/L 1, 2 and 3 showed considerable overlap. CONCLUSIONS These results indicate that sHA can be available as a burden of disease marker for the individuals with severe knee OA (K/L 4), while it is not for those with primary to moderate knee OA (K/L 1-3).
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Affiliation(s)
- Haruka Kaneko
- Department of Medicine for Orthopaedics and Motor Organ, Juntendo University Graduate School of Medicine, Tokyo, Japan
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Chmielewski TL, Trumble TN, Joseph AM, Shuster J, Indelicato PA, Moser MW, Cicuttini FM, Leeuwenburgh C. Urinary CTX-II concentrations are elevated and associated with knee pain and function in subjects with ACL reconstruction. Osteoarthritis Cartilage 2012; 20:1294-301. [PMID: 22863613 PMCID: PMC3878437 DOI: 10.1016/j.joca.2012.07.014] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Revised: 07/03/2012] [Accepted: 07/18/2012] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Post-traumatic knee osteoarthritis (OA) is prevalent after anterior cruciate ligament reconstruction (ACLR). Biomarkers that identify individuals likely to develop OA, especially symptomatic OA, can help target preventative and therapeutic strategies. This study examined the magnitude and change over time in urinary CTX-II (uCTX-II) concentrations shortly after ACL reconstruction, and, secondarily, the associations with knee pain and function. DESIGN Subjects were 28 patients with ACLR and 28 age- and sex-matched controls (CNTRL). Testing was conducted at four time points spaced 4 weeks apart (4, 8, 12 and 16 weeks post-operative in ACLR). Measures included demographics, urine samples, Numeric Pain Rating Scale (NPRS) and International Knee Documentation Committee Subjective Knee Form (IKDC-SKF). uCTX-II concentrations were determined with competitive enzyme-linked immunosorbent assay (ELISA). uCTX-II concentrations at each time point in ACLR were compared to the mean concentration over time in CNTRL, with and without adjustment for body mass index (BMI). Changes over time in each measure and correlations between the slopes of change were examined. RESULTS uCTX-II concentrations were significantly higher in ACLR than CNTRL through 16 weeks post-operative when adjusted for BMI. In ACLR, uCTX-II concentrations significantly decreased over time, and the slope was associated with NPRS (r = 0.406, P = 0.039) and IKDC-SKF (r = -0.402, P = 0.034) slopes. CONCLUSION uCTX-II concentrations shortly after ACLR were elevated compared to CNTRL and declined over time. Decreasing uCTX-II concentrations were associated with decreasing knee pain and improving function. uCTX-II may have a role as a prognostic marker following ACLR and warrants further investigation.
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Affiliation(s)
| | - Troy N. Trumble
- Department of Veterinary Population Medicine, Veterinary Medical Center, University of Minnesota, St. Paul, MN
| | | | - Jonathan Shuster
- Department of Health Outcomes and Policy, University of Florida, Gainesville, FL
| | - Peter A. Indelicato
- Department of Orthopaedics and Rehabilitation, University of Florida, Gainesville, FL
| | - Michael W. Moser
- Department of Orthopaedics and Rehabilitation, University of Florida, Gainesville, FL
| | - Flavia M. Cicuttini
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia
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Piat P, Richard H, Beauchamp G, Laverty S. In Vivo Effects of a Single Intra-Articular Injection of 2% Lidocaine or 0.5% Bupivacaine on Articular Cartilage of Normal Horses. Vet Surg 2012; 41:1002-10. [DOI: 10.1111/j.1532-950x.2012.01039.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Perrine Piat
- Comparative Orthopaedic Research Laboratory; Département de Sciences Cliniques; Faculté de Médecine Vétérinaire; Université de Montréal; Saint-Hyacinthe; Canada
| | - Hélène Richard
- Comparative Orthopaedic Research Laboratory; Département de Sciences Cliniques; Faculté de Médecine Vétérinaire; Université de Montréal; Saint-Hyacinthe; Canada
| | - Guy Beauchamp
- Département de pathologie et microbiologie vétérinaires Faculté de Médecine Vétérinaire; Université de Montréal; Saint-Hyacinthe; Canada
| | - Sheila Laverty
- Comparative Orthopaedic Research Laboratory; Département de Sciences Cliniques; Faculté de Médecine Vétérinaire; Université de Montréal; Saint-Hyacinthe; Canada
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Hosogane N, Watanabe K, Tsuji T, Miyamoto T, Ishii K, Niki Y, Nakamura M, Toyama Y, Chiba K, Matsumoto M. Serum cartilage metabolites as biomarkers of degenerative lumbar scoliosis. J Orthop Res 2012; 30:1249-53. [PMID: 22247038 DOI: 10.1002/jor.22067] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2011] [Accepted: 12/19/2011] [Indexed: 02/04/2023]
Abstract
Several biomarkers have been used to evaluate osteoarthritis of the limb joints. Here we evaluated the use of serum cartilage metabolites as biomarkers for degenerative lumbar scoliosis (DLS). Fifty-two DLS patients with Cobb angle > 10° were compared with 19 control patients. Serum levels of hyaluronic acid (HA), keratan sulfate (KS), cartilage oligomeric matrix protein (COMP), collagen type II cleavage (C2C), and procollagen type II C-propeptide (CPII) were measured. Serum levels of KS (DLS 1.20 ± 0.44 µg/ml vs. control 0.98 ± 0.33 µg/ml), CPII (DLS 1905.1 ± 948.2 ng/ml vs. control 1223.6 ± 884.4 ng/ml), and C2C (DLS 219.1 ± 59.2 ng/ml vs. control 177.7 ± 71.7 ng/ml) were significantly higher in DLS. There were no significant differences in the levels of HA or COMP. There was a significant positive correlation between the Cobb angle and CPII in DLS. This is the first study to evaluate the cartilage biomarkers in DLS. The results suggest DLS patients have higher levels of type II collagen synthesis and degradation, indicated by elevated serum CPII and C2C, respectively. As type II collagen is a major component of collagens in the nucleus pulposus and facet joint cartilages, its enhanced turnover may be related to the development and progression of DLS.
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Affiliation(s)
- Naobumi Hosogane
- Orthopedic Surgery, Keio University School of Medicine, 35 Shinanomachi Shinjuku-ku, Tokyo 160-8582, Japan
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Scanzello CR, Goldring SR. The role of synovitis in osteoarthritis pathogenesis. Bone 2012; 51:249-57. [PMID: 22387238 PMCID: PMC3372675 DOI: 10.1016/j.bone.2012.02.012] [Citation(s) in RCA: 772] [Impact Index Per Article: 64.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Revised: 02/10/2012] [Accepted: 02/11/2012] [Indexed: 01/15/2023]
Abstract
Research into the pathophysiology of osteoarthritis (OA) has focused on cartilage and peri-articular bone, but there is increasing recognition that OA affects all of the joint tissues, including the synovium (SM). Under normal physiological conditions the synovial lining consists of a thin layer of cells with phenotypic features of macrophages and fibroblasts. These cells and the underlying vascularized connective tissue stroma form a complex structure that is an important source of synovial fluid (SF) components that are essential for normal cartilage and joint function. The histological changes observed in the SM in OA generally include features indicative of an inflammatory "synovitis"; specifically they encompass a range of abnormalities, such as synovial lining hyperplasia, infiltration of macrophages and lymphocytes, neoangiogenesis and fibrosis. The pattern of synovial reaction varies with disease duration and associated metabolic and structural changes in other joint tissues. Imaging modalities including magnetic resonance (MRI) and ultrasound (US) have proved useful in detecting and quantifying synovial abnormalities, but individual studies have varied in their methods of evaluation. Despite these differences, most studies have concluded that the presence of synovitis in OA is associated with more severe pain and joint dysfunction. In addition, synovitis may be predictive of faster rates of cartilage loss in certain patient populations. Recent studies have provided insights into the pathogenic mechanisms underlying the development of synovitis in OA. Available evidence suggests that the inflammatory process involves engagement of Toll-like receptors and activation of the complement cascade by degradation products of extracellular matrices of cartilage and other joint tissues. The ensuing synovial reaction can lead to synthesis and release of a wide variety of cytokines and chemokines. Some of these inflammatory mediators are detected in joint tissues and SF in OA and have catabolic effects on chondrocytes. These inflammatory mediators represent potential targets for therapeutic interventions designed to reduce both symptoms and structural joint damage in OA. This article is part of a Special Issue entitled "Osteoarthritis".
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Affiliation(s)
- Carla R Scanzello
- Section of Rheumatology, Rush University Medical Center, Chicago, IL 60612, USA.
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Ertürk C, Altay MA, Selek Ş, Koçyiğit A. Paraoxonase-1 activity and oxidative status in patients with knee osteoarthritis and their relationship with radiological and clinical parameters. Scandinavian Journal of Clinical and Laboratory Investigation 2012; 72:433-9. [DOI: 10.3109/00365513.2012.687116] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Affiliation(s)
- A. Robin Poole
- Department of Surgery, McGill University, Montreal, Canada
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Scanzello CR. Pathologic and pathogenic processes in osteoarthritis: the effects of synovitis. HSS J 2012; 8:20-2. [PMID: 23372521 PMCID: PMC3295937 DOI: 10.1007/s11420-011-9228-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2011] [Accepted: 10/24/2011] [Indexed: 02/07/2023]
Affiliation(s)
- Carla R. Scanzello
- Rush University Medical Center, 1611 W Harrison Street, Suite 510, Chicago, IL 60612 USA
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Abstract
PURPOSE OF REVIEW Osteoarthritis is a joint disease characterized by a nonsymptomatic, preradiographical phase that if distinguished would allow earlier osteoarthritis diagnosis. Biochemical biomarkers offer a potential nonradiographical alternative to detect early, nonsymptomatic osteoarthritis. RECENT FINDINGS Biomarker development for osteoarthritis diagnosis is still in the forefront of the research repertoire in osteoarthritis. A number of previously identified biomarkers derived from cartilage breakdown or enzymes that cause cartilage degeneration still have prominence and are now better characterized with increasing use in identifying disease severity, progression, and testing treatment options. Combinations of cartilage-derived and bone-derived biomarkers have been used to subgroup osteoarthritis patients that could impact treatment and address the importance of bone turnover in cartilage integrity. Increasingly, inflammation markers have been used to profile osteoarthritis progression attesting to the inflammatory nature of osteoarthritis. The application of proteomic technologies has generated several new, nonconventional biomarkers that could allow better profiling of osteoarthritis. SUMMARY Biomarker combinations have the ability to subgroup the heterogenous osteoarthritis population to allow a better scrutiny of diagnosis and treatment options. The application of different technological platforms to osteoarthritis would allow a better understanding of its pathology and could provide for appropriate candidates for earlier detection of osteoarthritis.
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