Purified anti-IGFBP-3 Antibody

Pricing & Availability
Clone
M6501G03 (See other available formats)
Other Names
Insulin-like growth factor binding protein 3, IGF-Binding Protein 3, Growth Hormone-Dependent Binding Protein, Binding Protein 29, IBP3, BP-53, IGFBP3
Isotype
Mouse IgG1
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Product Citations
publications
M6501G03_PURE_IGFBP-3_Antibody_WB_111715
Western blot analysis of recombinant human IGFBP-3. Anti-IGFBP-3 antibody (clone M6501G03) was used, followed by HRP anti-mouse IgG antibody.
  • M6501G03_PURE_IGFBP-3_Antibody_WB_111715
    Western blot analysis of recombinant human IGFBP-3. Anti-IGFBP-3 antibody (clone M6501G03) was used, followed by HRP anti-mouse IgG antibody.
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679702 100 µg 212€
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Description

The insulin-like growth factor system includes two receptors (IGF-1R and IGF-2R), two ligands (IGF-1 and IGF-2), and seven binding proteins (IGFBP1-7). The binding proteins are produced in the liver and bind to the IGFs with different affinities, thus regulating the interaction of the IGFs with their receptors. Insulin-like growth factor binding protein-3 (IGFBP-3) is the major serum carrier protein for IGF proteins. IGFBP-3 sequesters IGF in a stable ternary complex with the acid-labile subunit (ALS). IGFBP-3 binds IGF-1 with high affinity and specificity and modulates IGF-1 action. IGFBP-3 undergoes limited enzymatic proteolysis to generate small N-terminal fragments. These proteolytic products lose their affinity for IGF-1 and IGF-2. Nevertheless, they preserve IGF independent activity. In that sense, a 16 kD fragment (1-95-IGFBP-3) and the full length molecule can potentiate apoptosis in colorectal epithelial cells, and this apoptotic process is associated with the inhibition of TNF-α-induced NF-κB activity. In addition, IGFBP-3 has been detected in the cell nucleus and interacts with 9-cis retinoic acid receptor-alpha (RXR-α), which is a nuclear receptor that is required for the apoptosis-inducing effects of IGFBP-3. IGFBP-3R physically interacts and activates caspase-8 and mediates IGFBP-3-induced apoptosis and tumor suppression.

Product Details
Technical data sheet

Product Details

Reactivity
Human
Antibody Type
Monoclonal
Host Species
Mouse
Immunogen
Human IGFBP-3, amino acids (Gly28-Glu291) (Accession# X64875) with an N-terminal Met, was expressed in 293E cells.
Formulation
Phosphate-buffered solution, pH 7.2, containing 0.09% sodium azide.
Preparation
The antibody was purified by affinity chromatography.
Concentration
0.5 mg/ml
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C.
Application

WB - Quality tested

Recommended Usage

Each lot of this antibody is quality control tested by Western blotting. For Western blotting, the suggested use of this reagent is 0.5 - 2.0 µg per ml. It is recommended that the reagent be titrated for optimal performance for each application.

RRID
AB_2566243 (BioLegend Cat. No. 679702)

Antigen Details

Structure
291 amino acids with a predicted molecular weight of approximately 32 kD. The glycosylated form migrates at approximately 45-50 kD by SDS-PAGE.
Distribution
IGFBP-3 is expressed by most of the tissues and is present in plasma.
Function
Transports insulin like growth factors (IGFs) and protects them from rapid clearance and/or degradation as well as modulating IGFs bioavailability. IGFBP-3 induces apoptosis in vitro and suppresses tumors in vivo. IGFBP-3 is induced by growth hormones, TGF-β, vitamin D, retinoids, and anti-estrogens.
Interaction
Interacts with XLKD1, IGF2, IGF1, ALS, HN, and TMEM219.
Ligand/Receptor
IGFBP-3R (TMEM219).
Biology Area
Apoptosis/Tumor Suppressors/Cell Death, Cell Biology, Cell Cycle/DNA Replication, Signal Transduction
Antigen References

1. Cohen P, et al. 1992. J. Clin. Endocrinol. Metab. 75:1046.
2. Lee KW and Cohen P. 2002. J. Endocrinol. 175:33.
3. Yan X, et al. 2004. J. Biol. Chem. 279:53232.
4. Shahjee H, et al. 2008. Growth Horm. IGF Res. 18:188-97.
5. Berrigan D, et al. 2009. Growth Horm. IGF Res. 2:146.
6. Ingermann AR, et al. 2010. J. Biol. Chem. 285:30233.
7. Forbes BE, et al. 2012. Front. Endocrinol. 3:38.
8. Baxter RC, et al. 2014. Nat. Rev. Cancer 14:329.

Gene ID
3486 View all products for this Gene ID
UniProt
View information about IGFBP-3 on UniProt.org

Related FAQs

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Go To Top Version: 1    Revision Date: 11.18.2015

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