Human Aggrecan G1-IGD-G2 Domains Antibody

Catalog # Availability Size / Price Qty
AF1220
AF1220-SP
Human Aggrecan G1-IGD-G2 Domains Antibody in Immunocytochemistry
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Product Details
Citations (8)
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Human Aggrecan G1-IGD-G2 Domains Antibody Summary

Species Reactivity
Human
Specificity
Detects human Aggrecan in direct ELISAs and Western blots.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human Aggrecan
Val20-Arg675
Accession # NP_037359
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human Aggrecan G1-IGD-G2 Domains (Catalog # 1220-PG)
Immunohistochemistry
5-15 µg/mL
See below
Immunocytochemistry
5-15 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Data Examples

Immunocytochemistry Aggrecan in Rat Mesenchymal Stem Cells. View Larger

Aggrecan in Rat Mesenchymal Stem Cells. Aggrecan was detected in immersion fixed rat mesenchymal stem cells differentiated to chondrocytes using Goat Anti-Human Aggrecan G1-IGD-G2 Domains Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1220) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conju-gated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Immunohistochemistry Aggrecan in Human Cartilage. View Larger

Aggrecan in Human Cartilage. Aggrecan was detected in immersion fixed paraffin-embedded sections of human cartilage using 15 µg/mL Goat Anti-Human Aggrecan G1-IGD-G2 Domains Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1220) overnight at 4 °C. Tissue was stained with the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Aggrecan

Aggrecan, also known as aggrecan 1, chondroitin sulfate proteoglycan, and large aggregating proteoglycan, is encoded by the AGC1 gene with gene aliases of SEDK; CSPG1; MSK16; CSPGCP. As the key component of the cartilage extracellular matrix, aggrecan hydrates the collagen network and provides cartilage with its properties of compressibility and elasticity. Maintenance of aggrecan content is therefore critical to the function of the tissue and aggrecan degradation is an important factor in the erosion of articular cartilage in arthritic diseases (2). The deduced amino acid sequence of human aggrecan core protein consists of 2415 resides and predicts a signal peptide and domains of G1, IGD, G2, KS, CS-1, CS-2, and G3 (3). Two globular domains, G1 and G2, comprise the N-terminus of the proteoglycan and also contain link domains. The third globular domain, G3, corresponds to the C-terminus. The keratan sulfate (KS) and the chondroitin sulfate (CS) attachment domains are between G2 and G3. With KS and CS attached to the 250 kDa core protein, aggrecan monomers exist as a 1,000-2,000 kDa molecule. In addition, aggrecan monomers interact with hyaluronan through their G1 domain, resulting in larger aggregates containing 10-100 aggrecan monomers on a hyaluronan backbone (2).

Aggrecan can be cleaved by MMPs and ADAMTSs at the Asn360-Phe361 and Glu392-Ala393 bond in the IGD (residues are numbered based on Accession # NP_037359), respectively (2). Inhibition of ADATMS4 and ADAMTS5 cleavage prevents aggrecan degradation in osteoarthritic cartilage, while mice with aggrecan resistant to MMP cleavage do not accumulate aggrean and develop normally (2, 4). Consisting of the G1, IGD and G2 domains, rhAggrecan can be used as a protein substrate for MMPs and ADAMTSs and in binding assays involving hyaluronan.

References
  1. Doege. K.J. et al. (1991) J. Biol. Chem. 266:894.
  2. Malfait, A-M. et al. (2002) J. Biol. Chem. 277:22201.
  3. Caterson, B. et al. (2000) Matrix Biol. 19:333.
  4. Little, C.B. et al. (2005) Mol. Cel. Biol. 25:3388.
Entrez Gene IDs
176 (Human)
Alternate Names
ACAN; AGC1; AGC1SEDK; aggrecan core protein; Aggrecan; Cartilage-specific proteoglycan core protein; Chondroitin sulfate proteoglycan 1; Chondroitin sulfate proteoglycan core protein 1; CSPCP; CSPG1; CSPG1aggrecan 1; CSPGCP; large aggregating proteoglycan; MSK16; MSK16AGCAN; SEDK

Product Datasheets

Citations for Human Aggrecan G1-IGD-G2 Domains Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

8 Citations: Showing 1 - 8
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  1. Newly defined ABCB5+ dermal mesenchymal stem cells promote healing of chronic iron overload wounds via secretion of interleukin-1 receptor antagonist
    Authors: S Vander Bek, JC de Vries, B Meier-Schi, P Meyer, D Jiang, A Sindrilaru, FF Ferreira, A Hainzl, S Schatz, J Muschhamme, NJ Scheurmann, P Kampilafko, AM Seitz, L Dürselen, A Ignatius, MA Kluth, C Ganss, M Wlaschek, K Singh, P Maity, NY Frank, MH Frank, K Scharffett
    Stem Cells, 2019;0(0):.
    Species: Human
    Sample Types: Whole Cells
    Applications: ICC
  2. Human mesenchymal stem cells are resistant to UV-B irradiation
    Authors: R Lopez Pere, J Brauer, A Rühle, T Trinh, S Sisombath, P Wuchter, AL Grosu, J Debus, R Saffrich, PE Huber, NH Nicolay
    Sci Rep, 2019;9(1):20000.
    Species: Human
    Sample Types: Spheroid
    Applications: IHC-Fr
  3. Identification of multipotent stem cells in human brain tissue following stroke
    Authors: K Tatebayash, Y Tanaka, A Nakano-Doi, R Sakuma, S Kamachi, M Shirakawa, K Uchida, H Kageyama, T Takagi, S Yoshimura, T Matsuyama, T Nakagomi
    Stem Cells Dev, 2017;0(0):.
    Species: Human
    Sample Types: Whole Cells
    Applications: ICC
  4. Effects of sesamin on chondroitin sulfate proteoglycan synthesis induced by interleukin-1beta in human chondrocytes
    Authors: W Srisuthtay, D Pruksakorn, P Kongtawele, P Pothacharo
    BMC Complement Altern Med, 2017;17(1):286.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  5. Human embryonic stem cell-derived mesenchymal stroma cells (hES-MSCs) engraft in vivo and support hematopoiesis without suppressing immune function: implications for off-the shelf ES-MSC therapies.
    Authors: Li O, Tormin A, Sundberg B, Hyllner J, Le Blanc K, Scheding S
    PLoS ONE, 2013;8(1):e55319.
    Species: Human
    Sample Types: Whole Cells
    Applications: IHC-Fr
  6. Age-related changes in rat bone-marrow mesenchymal stem cell plasticity.
    Authors: Asumda FZ, Chase PB
    BMC Cell Biol., 2011;12(0):44.
    Species: Rat
    Sample Types: Whole Cells
    Applications: ICC
  7. Effect of functionalised fluorescence-labelled nanoparticles on mesenchymal stem cell differentiation.
    Authors: Tautzenberger A, Lorenz S, Kreja L, Zeller A, Musyanovych A, Schrezenmeier H, Landfester K, Mailander V, Ignatius A
    Biomaterials, 2010;31(8):2064-71.
    Species: Human
    Sample Types: Whole Cells
    Applications: ICC
  8. MSC from fetal and adult lungs possess lung-specific properties compared to bone marrow-derived MSC.
    Authors: Rolandsson Enes S, Andersson Sjoland A, Skog I, Hansson L, Larsson H, Le Blanc K, Eriksson L, Bjermer L, Scheding S, Westergren-Thorsson G
    Sci Rep, 0;6(0):29160.
    Species: Human
    Sample Types: Whole Cells
    Applications: ICC

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