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Cartilage Oligomeric Matrix Protein Human, Mouse Monoclonal Antibody, Clone: 17C10

  • Regulatory status:RUO
  • Type:Monoclonal Antibody
  • Other names:COMP, Thrombospondin-5, TSP5
  • Species:Human
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New RD182080100C1-01 0.1 mg
PubMed Product Details
Technical Data

Type

Monoclonal Antibody

Applications

ELISA, Immunohistochemistry

Source of Antigen

Human articular cartilage

Hosts

Mouse

Isotype

IgG1

Clone

17C10

Preparation

Mouse monoclonal antibody against Human COMP. The antibody was produced in vitro using hybridomas grown in serum-free medium.

Purification Method

Affinity chromatography on a column with immobilized protein G.

Antibody Content

0.1 mg (determined by BCA method)

Formulation

The antibody is lyophilized in 0.05 M phosphate buffer, 0.1 M NaCl, pH 7.2. AZIDE FREE.

Reconstitution

Add 0.1 ml of deionized water and let the lyophilized pellet dissolve completely. Slight turbidity may occur after reconstitution, which does not affect activity of the antibody. In this case clarify the solution by centrifugation.

Shipping

At ambient temperature. Upon receipt, store the product at the temperature recommended below.

Storage/Expiration

The lyophilized antibody remains stable and fully active until the expiry date when stored at –20°C. Aliquot the product after reconstitution to avoid repeated freezing/thawing cycles and store frozen at –80°C. Reconstituted antibody can be stored at 4°C for a limited period of time; it does not show decline in activity after one week at 4°C.

Quality Control Test

Indirect ELISA – to determine titer of the antibody SDS PAGE – to determine purity of the antibody

Note

This product is for research use only.

Summary

Research topic

Bone and cartilage metabolism

Summary

Cartilage oligomeric matrix protein (COMP), also designated thrombospondin 5 (TSP 5), is non-collagenous glycoprotein and is a member of the thrombospondin family of extracellular proteins. COMP is a calcium-binding protein of high molecular weight (>500kDa) present in the extracellular matrix of articular, nasal and tracheal cartilage. COMP is not only cartilage-derived but was found widely in other tissues, including synovium and tendon. Intact COMP is pentameric, with five identical subunits and the carboxy-terminal globular domain of native COMP binds to collagens I, II, and IX. It has been proposed that COMP molecules are important for maintaining the properties and integrity of collagen network. In addition COMP may have a storage and delivery function for hydrophobic cellsignaling molecules such as vitamin D. The significance of COMP for normal development and function of cartilage has been underscored by the discovery that mutations of the COMP gene result in pseudoachondro­plasia and some forms of multiple epiphyseal dysplasia. Most published studies have shown that serum levels of COMP provide important information about metabolic changes occurring in the cartilage matrix in joint disease. These studies describe that serum COMP level correlated with cartilage degradation and is a potential prognostic marker in inflammatory joint diseases such as osteoarthritis (OA) and rheumatoid arthritis (RA). Results have demonstrated an association of increasing serum COMP levels with progressive destruction of articular cartilage monitored radiographically. OA and RA are a common disease causing pain and disability in a significant proportion of the adult population and early diagnostics of these diseases is very important for future therapy.

References to Product

References

  • Clark AG, Jordan JM, Vilim V, Renner JB, Dragomir AD, Luta G, Kraus VB. Serum cartilage oligomeric matrix protein reflects osteoarthritis presence and severity: the Johnston County Osteoarthritis Project. Arthritis Rheum. 1999 Nov;42 (11):2356-64
  • Dragomir AD, Kraus VB, Renner JB, Luta G, Clark A, Vilim V, Hochberg MC, Helmick CG, Jordan JM. Serum cartilage oligomeric matrix protein and clinical signs and symptoms of potential pre-radiographic hip and knee pathology. Osteoarthritis Cartilage. 2002 Sep;10 (9):687-91
  • Jordan JM, Luta G, Stabler T, Renner JB, Dragomir AD, Vilim V, Hochberg MC, Helmick CG, Kraus VB. Ethnic and sex differences in serum levels of cartilage oligomeric matrix protein: the Johnston County Osteoarthritis Project. Arthritis Rheum. 2003 Mar;48 (3):675-81
  • Lindhorst E, Vail TP, Guilak F, Wang H, Setton LA, Vilim V, Kraus VB. Longitudinal characterization of synovial fluid biomarkers in the canine meniscectomy model of osteoarthritis. J Orthop Res. 2000 Mar;18 (2):269-80
  • Misumi K, Vilim V, Carter SD, Ichihashi K, Oka T, Sakamoto H. Concentrations of cartilage oligomeric matrix protein in dogs with naturally developing and experimentally induced arthropathy. Am J Vet Res. 2002 Apr;63 (4):598-603
  • Vilim V, Lenz ME, Vytasek R, Masuda K, Pavelka K, Kuettner KE, Thonar EJ. Characterization of monoclonal antibodies recognizing different fragments of cartilage oligomeric matrix protein in human body fluids. Arch Biochem Biophys. 1997 May 1;341 (1):8-16
  • Vilim V, Olejarova M, Machacek S, Gatterova J, Kraus VB, Pavelka K. Serum levels of cartilage oligomeric matrix protein (COMP) correlate with radiographic progression of knee osteoarthritis. Osteoarthritis Cartilage. 2002 Sep;10 (9):707-13
  • Vilim V, Voburka Z, Vytasek R, Senolt L, Tchetverikov I, Kraus VB, Pavelka K. Monoclonal antibodies to human cartilage oligomeric matrix protein: epitope mapping and characterization of sandwich ELISA. Clin Chim Acta. 2003 Feb;328 (1-2):59-69
  • Vilim V, Vytasek R, Olejarova M, Machacek S, Gatterova J, Prochazka B, Kraus VB, Pavelka K. Serum cartilage oligomeric matrix protein reflects the presence of clinically diagnosed synovitis in patients with knee osteoarthritis. Osteoarthritis Cartilage. 2001 Oct;9 (7):612-8
References to Summary

References to Cartilage Oligomeric Matrix Protein

  • Bruyere O, Collette JH, Ethgen O, Rovati LC, Giacovelli G, Henrotin YE, Seidel L, Reginster JY. Biochemical markers of bone and cartilage remodeling in prediction of longterm progression of knee osteoarthritis. J Rheumatol. 2003 May;30 (5):1043-50
  • Dragomir AD, Kraus VB, Renner JB, Luta G, Clark A, Vilim V, Hochberg MC, Helmick CG, Jordan JM. Serum cartilage oligomeric matrix protein and clinical signs and symptoms of potential pre-radiographic hip and knee pathology. Osteoarthritis Cartilage. 2002 Sep;10 (9):687-91
  • Jordan JM, Luta G, Stabler T, Renner JB, Dragomir AD, Vilim V, Hochberg MC, Helmick CG, Kraus VB. Ethnic and sex differences in serum levels of cartilage oligomeric matrix protein: the Johnston County Osteoarthritis Project. Arthritis Rheum. 2003 Mar;48 (3):675-81
  • Misumi K, Vilim V, Clegg PD, Thompson CC, Carter SD. Measurement of cartilage oligomeric matrix protein (COMP) in normal and diseased equine synovial fluids. Osteoarthritis Cartilage. 2001 Feb;9 (2):119-27
  • Skoumal M, Haberhauer G, Feyertag J, Kittl EM, Bauer K, Dunky A. Serum levels of cartilage oligomeric matrix protein are elevated in rheumatoid arthritis, but not in inflammatory rheumatic diseases such as psoriatic arthritis, reactive arthritis, Raynaud's syndrome, scleroderma, systemic lupus erythematosus, vasculitis and Sjogren's syndrome. Arthritis Res Ther. 2004;6 (2):73-4
  • Vilim V, Lenz ME, Vytasek R, Masuda K, Pavelka K, Kuettner KE, Thonar EJ. Characterization of monoclonal antibodies recognizing different fragments of cartilage oligomeric matrix protein in human body fluids. Arch Biochem Biophys. 1997 May 1;341 (1):8-16
  • Vilim V, Olejarova M, Machacek S, Gatterova J, Kraus VB, Pavelka K. Serum levels of cartilage oligomeric matrix protein (COMP) correlate with radiographic progression of knee osteoarthritis. Osteoarthritis Cartilage. 2002 Sep;10 (9):707-13
  • Vilim V, Voburka Z, Vytasek R, Senolt L, Tchetverikov I, Kraus VB, Pavelka K. Monoclonal antibodies to human cartilage oligomeric matrix protein: epitope mapping and characterization of sandwich ELISA. Clin Chim Acta. 2003 Feb;328 (1-2):59-69
  • Vilim V, Vytasek R, Olejarova M, Machacek S, Gatterova J, Prochazka B, Kraus VB, Pavelka K. Serum cartilage oligomeric matrix protein reflects the presence of clinically diagnosed synovitis in patients with knee osteoarthritis. Osteoarthritis Cartilage. 2001 Oct;9 (7):612-8
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