Recombinant Human GDF-7 Protein, CF

  • Purity
    >95%, by SDS-PAGE with silver staining.
  • Endotoxin Level
    <0.10 EU per 1 μg of the protein by the LAL method.
  • Activity
    Measured by its ability to induce alkaline phosphatase production by ATDC5 mouse chondrogenic cells. Nakamura, K. et al. (1999) Exp. Cell Res. 250:351. The ED50 for this effect is typically 0.25-1.25 μg/mL.
  • Source
    E. coli-derived Thr322-Arg450
  • Accession #
  • N-terminal Sequence
  • Predicted Molecular Mass
    14 kDa
    14 kDa, reducing conditions
Formulation Lyophilized from a 0.2 μm filtered solution in HCl.
Reconstitution Reconstitute at 500 μg/mL in 4 mM HCl.
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.
Data Images
GDF-7-induced Alkaline Phosphatase Production.
Recombinant Human GDF-7 stimulates alkaline phosphatase production by ATDC5 mouse chondrogenic cells. The ED50 for this effect is typically 0.25-1.25 μg/mL.
Background: GDF-7/BMP-12
Growth Differentiation Factor-7 (GDF-7; also called BMP-12 and CDMP-3) is a member of the BMP family of TGF-beta superfamily proteins (1, 2). GDF­7 is synthesized as a large precursor protein that consists of an N-­terminal 19 amino acid (aa) signal sequence, a 302 aa pro region and a 129 aa C-terminal mature peptide. At the amino acid level, mature human GDF-7 shares 85% and 88% aa sequence identity with mature GDF-7 in mouse and rat, respectively. Mature human GDF-7 lacks a glycine repeat that is found in both mouse and rat GDF-7. Based on sequence similarity, GDF-7 is categorized with GDF-5 and -6, as a subgroup within the BMP family. GDF-7 functions as a homodimer and elicits its bioactivity by mediating the formation of a heterodimeric receptor complex consisting of a type 1 (BMPR-IB) and a type II (BMPR-II or Activin RII) serine/threonine kinase receptor. GDF-7 signaling results in the phosphorylation and activation of cytosolic Smad proteins (Smad1, 5, and 8) (3, 4). GDF-7 is involved in tendon and ligament formation and repair (5-8). GDF-7 also regulates bone formation, mesenchymal stem cell differentiation, neuronal differentiation, and axon guidance in the central nervous system (9-12).
  • References:
    1. Storm, E.E. et al. (1994) Nature 368:639.
    2. Hotten, G. et al. (1994) Biochem Biophys Res Commun 204:646.
    3. Nishitoh, H. et al. (1996) J Biol Chem 271:21345.
    4. Mueller, T.D. and J. Nickel (2012) FEBS Lett 586:1846.
    5. Fu, S.C. et al. (2003) Life Sci 72:2965.
    6. Gulati, B.R. et al. (2013) Cells Tissues Organs 198:377.
    7. Shen, H. et al. (2013) PLoS One 8:e77613.
    8. Sena, K. et al. (2003) J Dent Res 82:166.
    9. Butler, S.J. and J. Dodd (2003) Neuron 38:389.
    10. Watakabe, A. et al. (2001) J Neurochem 76:1455.
    11. Lou, J. et al. (2001) J Orthop Res 19:1199.
    12. Wang, Q.W. et al. (2005) J Biosci Bioeng 100:418.
  • Long Name:
    Growth Differentiation Factor 7
  • Entrez Gene IDs:
    151449 (Human); 238057 (Mouse)
  • Alternate Names:
    BMP12; BMP-12; GDF7; GDF-7; growth differentiation factor 7; growth/differentiation factor 7
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