COMP Proteins, Antibodies, cDNA Clones, ELISA Kits Research Reagents

All COMP reagents are produced in house and quality controlled, including 4 COMP Antibody, 2 COMP ELISA, 13 COMP Gene, 1 COMP Lysate, 1 COMP Protein, 1 COMP qPCR. All COMP reagents are ready to use.

COMP Protein (1)

    COMP Antibody (4)

      COMP ELISA Kit & Match Antibody ELISA Pair Set (2)

      COMP cDNA Clone (13)

      NM_000095.2

      COMP qPCR Primer (1)

      COMP Lysate (1)

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        COMP Background

        Cartilage Oligomeric Matrix Protein (COMP), also referred to as Thrombospondin-5, is a non-collagenous extracellular matrix (ECM) protein and belongs to the subgroup B of the thrombospondin protein family. This protein is expressed primarily in cartilage, ligament, and tendon, and binds to other ECM proteins such as collagen I, II and IX with high affinities depending on the divalent cations Zn2+ or Ni2+. COMP is a secreted glycoprotein that is important for growth plate organization and function. It is suggested to play a role in cell growth and development, and recent studies have revealed the possible mechanism that it protects cells against death by elevating members of the IAP (inhibitor of apoptosis protein) family of survival proteins. Mutations in COMP cause two skeletal dysplasias, pseudoachondroplasia (PSACH) and multiple epiphyseal dysplasia (EDM1), and up-regulated expression of COMP are observed in rheumatoid arthritis and certain carcinomas.

        COMP References

        • Posey KL, et al. (2004) Role of TSP-5/COMP in pseudoachondroplasia. Int J Biochem Cell Biol. 36(6): 1005-12.
        • Chen FH, et al. (2005) Interaction of cartilage oligomeric matrix protein/thrombospondin 5 with aggrecan. J Biol Chem. 282(34): 24591-8.
        • Posey KL, et al. (2008) The role of cartilage oligomeric matrix protein (COMP) in skeletal disease. Curr Drug Targets. 9(10): 869-77.
        • Tan K, et al. (2009) The crystal structure of the signature domain of cartilage oligomeric matrix protein: implications for collagen, glycosaminoglycan and integrin binding. FASEB J. 23(8): 2490-501.

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