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Anti COMP (Cartilage Oligomeric Matrix Protein)
Monoclonal antibody

Background

COMP - Cartilage oligomeric matrix protein is a prominent multidomain glycoprotein of  cartilage, accounting for up to 1% of the wet weight of articular tissues and having an approximate Mr of 97 kDa. COMP may also be found in tendon, bone (i.e. osteoblasts), ligament, certain smooth muscles and synovium. In the ECM COMP is present in a pentameric, disulfide-bonded complex of an Mr of about 550 kDa. Although the function of COMP is not completely elucidated, it appears to mediate chondrocyte attachment via integrins and to stabilize the articular cartilage ECM via specific cation-dependent interactions with collagen types II and IX, aggrecan, fibronectin, and ECM protein 1. In addition, mutations in the human COMP gene have been linked to the development of pseudoachondroplasia and multiple epiphyseal dysplasia, which are autosomal-dominant forms of short-limb dwarfism. In chondrocytes of these patients, COMP remains frequently entrapped in intracellular vescicles. COMP is a substrate for a variety of ECM degrading enzymes, including MMP-1, MMP-13, MMP-19, MMP20 and ADAMTS-4, -7 and -12. Fragments of COMP have been detected in the diseased cartilage, synovial fluid, and serum of patients with knee injuries, post-traumatic and primary osteoarthritis and rheumatoid arthritis and have proposed to diagnostic/prognostic of degenerative cartilage diseases.

Application

Recommended Antibody Dilutions
    ELISA : 1/10 1/150
    Western blotting : 1/20 to 1/70
        >2,000 kDa in SDS-agarose (0.5%) gel electrophoresis under reducing conditions,
        >400 kDa after SDS-PAGE under non-reducing conditions

< Western blotting >

< Immunohistochemistry >

Product List

Product Name Cat# Quantity Price

Anti COMP (484D1)

CAC-PRPG-CP-M01 2ML

¥ 50,000
$ 667
€ 500

To be used for research only. DO NOT use for human gene therapy or clinical diagnosis.