Amphiregulin (AR), also known as Schwannoma-derived growth factor (SDGF), is a member of the epidermal growth factor (EGF) family of growth factors which includes, AR, EGF, transforming growth factor-a (TGF-a), heparin binding EGF-like growth factor (HB-EGF), betacellulin (BTC), epiregulin, and the neuregulins-1 through -4. All EGF family members are synthesized as type I transmembrane precursors and contain one or several EGF domains in their extracellular region. The bioactive form of the proteins is released by proteolytic cleavage. The ErbB family of receptors that includes ErbB1‑B4, mediates the biological activities of the EGF family ligands. AR was originally isolated from the conditioned media of PMA-treated MCF-7 human breast carcinoma cell line. AR mRNA expression can be detected in numerous carcinoma cell lines and in the epithelial cells of various human tissues including colon, stomach, breast, ovary and kidney. AR stimulates the proliferation of keratinocytes, mammary epithelial cells, fibroblasts, astrocytes and glial cells. AR is also a growth inhibitor for certain tumor cells. The gene for AR has been mapped to human chromosome 4q13-q21 and mouse chromosome 5. Human and mouse AR cDNA encode 252 and 248 amino acid residue type I membrane proteins, respectively. The two proteins share approximately 69% sequence identity. Mouse AR also shares 81% amino acid sequence homology with rat AR. Several secreted isoforms of AR that vary in length and/or glycosylation level can be found in cell conditioned media. The 98 amino acid residue recombinant AR has better receptor binding and biological activity than the C-terminal truncated forms of the protein.
Mouse Amphiregulin Antibody [Biotin]
R&D Systems | Catalog # BAF989
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Key Product Details
Species Reactivity
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Applications
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Label
Antibody Source
Product Specifications
Immunogen
Ser94-Lys191
Accession # Q4FJT2
Specificity
Clonality
Host
Isotype
Scientific Data Images for Mouse Amphiregulin Antibody [Biotin]
Mouse Amphiregulin ELISA Standard Curve
Recombinant Mouse Amphiregulin (Catalog # 989-AR) was serially diluted and captured by Goat Anti-Mouse Amphiregulin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF989) coated on a Clear Polystyrene Microplate (Catalog # DY990). Goat Anti-Mouse Amphiregulin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF989) was biotinylated and incubated with the protein captured on the plate. Detection of the standard curve was achieved by incubating Streptavidin-HRP (Catalog # DY998)Applications for Mouse Amphiregulin Antibody [Biotin]
Western Blot
Sample: Recombinant Mouse Amphiregulin (Catalog # 989-AR)
Mouse Amphiregulin Sandwich Immunoassay
Reviewed Applications
Read 2 reviews rated 4.5 using BAF989 in the following applications:
Formulation, Preparation, and Storage
Purification
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
Formulation
Shipping
Stability & Storage
- 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.
Calculators
Background: Amphiregulin
References
- Thompson, S.A. et al. (1996) J. Biol. Chem. 271:17927.
- Sonoda, H. et al. (1992) Biochem. Biophys. Res. Commun. 185:103.
- Normanno, N. et al. (2001) Frontiers in Bioscience 6:685.
Alternate Names
Gene Symbol
UniProt
Additional Amphiregulin Products
Product Documents for Mouse Amphiregulin Antibody [Biotin]
Certificate of Analysis
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Product Specific Notices for Mouse Amphiregulin Antibody [Biotin]
For research use only
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Citations for Mouse Amphiregulin Antibody [Biotin]
Customer Reviews for Mouse Amphiregulin Antibody [Biotin] (2)
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Customer Images
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Application: Flow CytometrySample Tested: Mouse splenocytesSpecies: MouseVerified Customer | Posted 09/12/2017Splenocytes (2x10^6) from a C57BL/6 mouse were stimulated for 4 hours with phorbol 12,13-dibutyrate (500ng/ml), ionomycin (750ng/ml) and brefeldin A (2ug/ml). Cells were stained with fixable viability dye, then fixed with 2% formalin, permeabilized, and stained overnight at 4C for cytokines and gating markers (CD3, CD4, Foxp3). The biotinylated amphiregulin antibody was used at a 1:500 dilution overnight in permeabilization buffer. The cells were washed twice, then incubated with Brilliant Violet 605 streptavidin at a 1:1000 dilution for 20min. Foxp3+ Tregs were chosen as a positive control. Other appropriate positive controls would be Th2 cells or ILC2 (e.g., gut lamina propria leukocytes). Unstimulated cells that were otherwise treated identically served as a negative control. Flow diagrams are shown gating on viable CD3+CD4+ T cells.
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Application: Flow CytometrySample Tested: See PMID: 24315098Species: MouseVerified Customer | Posted 01/15/2015
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Protocols
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- Cellular Response to Hypoxia Protocols
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
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