Recombinant Rat BMP-6 Protein, CF Summary
Details of Functionality |
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 0.15-0.9 μg/mL.
|
Source |
Chinese Hamster Ovary cell line, CHO-derived rat BMP-6 protein Ser368-His506 |
Accession # |
|
N-terminal Sequence |
Ser368 |
Structure / Form |
Covalent dimer |
Protein/Peptide Type |
Recombinant Proteins |
Purity |
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining. |
Endotoxin Note |
<0.10 EU per 1 μg of the protein by the LAL method. |
Applications/Dilutions
Dilutions |
|
Theoretical MW |
16 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
SDS-PAGE |
16-22 kDa, under reducing conditions |
Packaging, Storage & Formulations
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.
|
Buffer |
Lyophilized from a 0.2 μm filtered solution in HCl. |
Purity |
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining. |
Reconstitution Instructions |
Reconstitute at 200 μg/mL in 4 mM HCl. |
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Rat BMP-6 Protein, CF
Background
Bone
Morphogenetic Protein 6 (BMP-6), also known as Vgr-1, is a member of the BMP
subfamily of TGF-beta superfamily proteins. BMPs are involved in a wide range
of processes including embryogenesis, tissue morphogenesis, cell
differentiation and migration, and tumorigenesis (1). BMP-6 is synthesized as a
large precursor protein that is cleaved at the dibasic cleavage site (RxxR) to
release a smaller, C-terminal mature protein. Biologically active BMP-6
consists of a disulfide-linked homodimer of the mature protein, with each
monomer containing a characteristic cystine knot motif (2). Mature rat BMP-6
shares 98% and 96% amino acid sequence identity with human and mouse BMP-6,
respectively. Cellular responses to BMP-6 are mediated by hetero-oligomeric
complexes of type I (Activin RIA/ALK-2 and BMPR-IA/ALK-3) and type II
(Activin RIIA and BMPR-II) serine/threonine kinase receptors (3-5). BMP-6
induces the expression of Noggin and is subsequently antagonized by Noggin (6).
BMP-6 induces a wide range of cellular responses. It promotes osteoblast
differentiation from mesenchymal stem cells (7), chondrocyte maturation (8),
Ang II-induced aldosterone production in the adrenal cortex (4), hormone
production and responsiveness in ovarian granulosa cells (9), iNOS and
TNF-alpha production in macrophages (5), the cell death of B cells (10), and
neurite outgrowth (11). BMP-6 expression is induced in astrocytes surrounding
sites of brain injury where it functions as a neuroprotectant (11, 12). It
enhances tumor progression by promoting local angiogenesis and differentiation
of immune tolerizing M2 macrophages (13-15). Through interactions with the BMP
co-receptor RGM-C/Hemojuvelin, BMP-6 plays an important role in iron homeostasis
by promoting Hepcidin expression and preventing serum iron overload (16).
Heterodimers of BMP-2 and BMP-6 show increased potency at inducing osteoblastic
calcium deposition, chondrogenesis, and
in vivo bone formation compared
to either BMP-2 or BMP-6 homodimers (3).
- Bragdon, B. et al. (2010) Cell Signal. 23:609.
- Allendorph GP et al. (2007) Biochemistry. 46:12238.
- Israel, D.I. et al. (1996) Growth Factors 13:291.
- Inagaki, K. et al. (2006) Endocrinology 147:2681.
- Hong, J.H. et al. (2008) Immunology 128:e442.
- Haudenschild, D.R. et al. (2004) Cancer Res. 64:8276.
- Lavery, K. et al. (2008) J. Biol. Chem. 283:20948.
- Grimsrud, C.D. et al. (1999) J. Bone Miner. Res. 14:475.
- Shi, J. et al. (2009) Fertil. Steril. 92:1794.
- Kersten, C. et al. (2005) BMC Immunol. 6:9.
- Yabe, T. et al. (2002) J. Neurosci. Res. 68:161.
- Zhang, Z. et al. (2006) Neuroscience 138:47.
- Dai, J. et al. (2005) Cancer Res. 65:8274.
- Kwon, S.J. et al. (2014) Prostate 74:121.
- Lee, J.-H. et al. (2013) Cancer Res. 73:3604.
- Andriopoulos, B. Jr. et al. (2009) Nat. Genet. 41:482.
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