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Key Specifications Table
| Species Reactivity | Key Applications | Host | Format | Antibody Type |
|---|---|---|---|---|
| B, H | WB, IHC | M | Purified | Monoclonal Antibody |
| Description | |
|---|---|
| Catalogue Number | MABT110 |
| Description | Anti-Aggrecan (neoepitope) Antibody, clone BC-3 |
| Alternate Names |
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| Background Information | Aggrecan (CSPG1, CSPCP, or CSPGCP) is a chondroitin-sulfate proteoglycan belonging to the family of letican proteins. Aggrecan is a large globar structure containing multiple domains including carbohydrate-recognition domains; complement binding protein domains; immunoglobulin domains; proteoglycan tandem repeats; and in some cases, EGF-like domains. It can be degraded by aggrecanase. The N-terminus of aggrecan binds ECM hyaluronan in the presence of the linking protein, and forms complex aggregates, whereas the C-terminus binds a number of other ECM proteins including tenascins, glycolipids, and fibulins. Aggrecan is a major component of cartilage tissue and it enables this tissue to withstand compression by maintaining the viso-elastic properties of cartilage. Aggrecan may also facilitate neural maturation and plasticity by contributing to the formation of perineuronal nets in the developing CNS. |
| Product Information | |
|---|---|
| Format | Purified |
| Control |
|
| Presentation | Purified mouse monoclonal IgG1κ in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide. |
| Quality Level | MQ100 |
| Applications | |
|---|---|
| Application | Anti-Aggrecan (neoepitope) Antibody, clone BC-3 detects level of Aggrecan (neoepitope) & has been published & validated for use in Western Blotting & IHC. |
| Key Applications |
|
| Application Notes | Western Blot Analysis: A representative lot detected Aggrecan neoepitope in human chondrocite cell lysate. |
| Biological Information | |
|---|---|
| Immunogen | Linear peptide corresponding to human Aggrecan neoepitope. |
| Epitope | Args neoepitope sequence |
| Clone | BC-3 |
| Concentration | Please refer to the Certificate of Analysis for the lot-specific concentration. |
| Host | Mouse |
| Specificity | This antibody detectes the Args neoepitope sequence in aggrecanase-cleaved aggrecan (Tortella, M. D., et al. (1999). Science. 284(5420):1664-1666.). |
| Isotype | IgG1κ |
| Species Reactivity |
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| Antibody Type | Monoclonal Antibody |
| Entrez Gene Number |
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| Entrez Gene Summary | This gene is a member of the aggrecan/versican proteoglycan family. The encoded protein is an integral part of the extracellular matrix in cartilagenous tissue and it withstands compression in cartilage. Mutations in this gene may be involved in skeletal dysplasia and spinal degeneration. Multiple alternatively spliced transcript variants that encode different protein isoforms have been observed in this gene. |
| Gene Symbol |
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| Purification Method | Protein G Purified |
| UniProt Number |
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| UniProt Summary | FUNCTION: This proteoglycan is a major component of extracellular matrix of cartilagenous tissues. A major function of this protein is to resist compression in cartilage. It binds avidly to hyaluronic acid via an N-terminal globular region. SUBUNIT STRUCTURE: Interacts with FBLN1. Interacts with COMP. TISSUE SPECIFICITY: Restricted to cartilages. DEVELOPMENTAL STAGE: Expression was detected in chondrocytes throughout the developing skeleton. DOMAIN: Two globular domains, G1 and G2, comprise the N-terminus of the proteoglycan, while another globular region, G3, makes up the C-terminus. G1 contains Link domains and thus consists of three disulfide-bonded loop structures designated as the A, B, B motifs. G2 is similar to G1. The keratan sulfate (KS) and the chondroitin sulfate (CS) attachment domains lie between G2 and G3. POST-TRANSLATIONAL MODIFICATION: Contains mostly chondroitin sulfate, but also keratan sulfate chains, N-linked and O-linked oligosaccharides. The release of aggrecan fragments from articular cartilage into the synovial fluid at all stages of human osteoarthritis is the result of cleavage by aggrecanase. INVOLVEMENT IN DISEASE: Defects in ACAN are the cause of spondyloepiphyseal dysplasia type Kimberley (SEDK). Spondyloepiphyseal dysplasias are a heterogeneous group of congenital chondrodysplasias that specifically affect epiphyses and vertebrae. The autosomal dominant SEDK is associated with premature degenerative arthropathy. Defects in ACAN are the cause of spondyloepimetaphyseal dysplasia aggrecan type (SEMD-ACAN). A bone disease characterized by severe short stature, macrocephaly, severe midface hypoplasia, short neck, barrel chest and brachydactyly. The radiological findings comprise long bones with generalized irregular epiphyses with widened metaphyses, especially at the knees, platyspondyly, and multiple cervical-vertebral clefts. Defects in ACAN are the cause of osteochondritis dissecans short stature and early-onset osteoarthritis (OD) [MIM:165800]. It is a type of osteochondritis defined as a separation of cartilage and subchondral bone from the surrounding tissue, primarily affecting the knee, ankle and elbow joints. It is clinically characterized by multiple osteochondritic lesions in knees and/or hips and/or elbows, disproportionate short stature and early-onset osteoarthritis. SEQUENCE SIMILARITIES: Belongs to the aggrecan/versican proteoglycan family. Contains 1 C-type lectin domain. Contains 1 EGF-like domain. Contains 1 Ig-like V-type (immunoglobulin-like) domain. Contains 4 Link domains. Contains 1 Sushi (CCP/SCR) domain. |
| Molecular Weight | ~60 kDa observed. Uniprot describes three isoforms at ~250 kDa, ~246 kDa and ~239 kDa. Aggrecan is degraded by aggrecanase into a ~60 kDa protein and other higher molecular weight products (Lemons, M. L. et al. (2001). J Neurosci. 21(13):4772-4781. Forsang, A. J. et al. (1995). Biochem J. 310(Pt 1):337-343.). |
| Product Usage Statements | |
|---|---|
| Quality Assurance | Evaluated by Western Blot in SW1353 cell lysate. Western Blot Analysis:1 µg/mL of this antibody detected Aggrecan neoepitope in 10 µg of SW1353 cell lysate. |
| Usage Statement |
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| Storage and Shipping Information | |
|---|---|
| Storage Conditions | Stable for 1 year at 2-8°C from date of receipt. |
| Packaging Information | |
|---|---|
| Material Size | 100 µg |