Recombinant Human Biglycan Protein, CF

R&D Systems | Catalog # 2667-CM

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Key Product Details

  • R&D Systems NS0-derived Recombinant Human Biglycan Protein (2667-CM)
  • Quality control testing to verify active proteins with lot specific assays by in-house scientists
  • All R&D Systems proteins are covered with a 100% guarantee

Source

NS0

Accession Number

P21810

Applications

Binding Activity, Bioactivity
View all Biglycan Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived human Biglycan protein
Asp38-Lys368, with a C-terminal 6-His tag

Purity

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<1.0 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Asp38

Predicted Molecular Mass

38 kDa

SDS-PAGE

40-45 kDa, reducing conditions

Activity

Measured by its ability to inhibit the cell growth of mouse 3T3‑L1 mouse embryonic fibroblast adipose-like cells. Ward, M. and Ajuwon, K.M. (2011) Cell Proliferation 44:343.
The ED50 for this effect is 1.5-6 μg/mL.

Measured by its ability to increase the binding of BMP-4 to Chordin. Moreno, M. et al. (2005) EMBO J. 24:1397.
2-8 µg/mL of Recombinant Human Biglycan  will have a 50% maximum increase in the binding of recombinant human BMP-4 (0.1 µg/mL) to recombinant mouse Chordin (1 µg/mL).

Formulation, Preparation, and Storage

2667-CM
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution

Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Biglycan

Biglycan, also known as PG I, is a secreted chondroitin/dermatan sulfate proteoglycan in the small leucine-rich proteoglycan (SLRP) family. SLRP family members are characterized by N-terminal and C-terminal cysteine-rich domains that flank the central region containing 10-12 tandem leucine-rich repeats (LRRs). Biglycan function is important in the development and maintenance of many tissues (1). The human Biglycan cDNA encodes a 368 amino acid (aa) precursor with a 19 aa signal sequence and a 18 aa propeptide that is cleaved by BMP-1 (2). Mature human Biglycan shares 97% aa sequence identity with bovine, mouse, and rat Biglycan. The mature protein can be further cleaved by proteases, which compromises its inability to bind to other molecules (3, 4). The 45 kDa core protein is approximately one third the molecular weight of the fully glycanated form and can assemble into noncovalently-associated dimers (5). Biglycan binds, crosslinks, and stabilizes several proteins in the collagen matrix (6). It also binds and modulates the activity of a variety of non-matrix proteins, including C1q, collectins, TGF-beta, and Wnt3a (3, 7, 8). Biglycan binds to TLR2, TLR4, P2X4, and P2X7, leading to the increased production of inflammatory mediators, the migration of vascular endothelial cells, and the enhancement of oxidized LDL induced aortic valve calcification (9 - 11). Biglycan also blocks the uptake and degradation of acetylated LDL in atherosclerotic plaques by binding to SR-A (12). It stabilizes the neuromuscular junction through interactions with MuSK as well as alpha- and gamma-Sarcoglycan (13).

References

  1. Nastase, M.V. et al. (2012) J. Histochem. Cytochem. 60:963.
  2. Scott, I.C. et al. (2000) J. Biol. Chem. 275:30504.
  3. Boivin, W.A. et al. (2012) PLoS ONE 7:e33163.
  4. Monfort, J. et al. (2006) Arthritis Res. Ther. 8:R26.
  5. Scott, P.G. et al. (2006) J. Biol. Chem. 281:13324.
  6. Wiberg, C. et al. (2003) J. Biol. Chem. 278:37698.
  7. Groeneveld, T.W.L. et al. (2005) J. Immunol. 175:4715.
  8. Berendsen, A.D. et al. (2011) Proc. Natl. Acad. Sci. USA 108:17022.
  9. Babelova, A. et al. (2009) J. Biol. Chem. 284:24035.
  10. Yamamoto, K. et al. (2012) Br. J. Cancer 106:1214.
  11. Song, R. et al. (2012) Arterioscler. Thromb. Vasc. Biol. 32:2711.
  12. Santiago-Garcia, J. et al. (2003) J. Biol. Chem. 278:6942.
  13. Amenta, A.R. et al. (2012) J. Neurosci. 32:2324.

    Alternate Names

    BGN, DSPG1, PG-S1, SLRR1A

    Entrez Gene IDs

    633 (Human); 12111 (Mouse)

    Gene Symbol

    BGN

    UniProt

    P21810

    Additional Biglycan Products

    Product Documents for Recombinant Human Biglycan Protein, CF

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    Product Specific Notices for Recombinant Human Biglycan Protein, CF

    For research use only

    Citations for Recombinant Human Biglycan Protein, CF

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