A7080
Amphiregulin human
≥97% (SDS-PAGE), recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
Synonym(s):
AREG, CRDGF, SDGF, AR
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About This Item
Biological source:
human
Recombinant:
expressed in E. coli
Assay:
≥97% (SDS-PAGE)
Form:
lyophilized powder
Mol wt:
~11 kDa
Impurities:
endotoxin, tested
Product Name
Amphiregulin human, recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture, ≥97% (SDS-PAGE)
biological source
human
Quality Level
recombinant
expressed in E. coli
assay
≥97% (SDS-PAGE)
form
lyophilized powder
potency
10-100 ng/mL ED50/EC50
mol wt
~11 kDa
packaging
pkg of 1 mg
storage condition
avoid repeated freeze/thaw cycles (Do not store in a frost-free freezer.)
technique(s)
cell culture | mammalian: suitable
impurities
endotoxin, tested
UniProt accession no.
storage temp.
−20°C
Gene Information
human ... AREG(374)
Biochem/physiol Actions
Also known as keratinocyte autocrine factor (KAF); expression of amphiregulin mRNA has been found in numerous carcinoma cell lines and epithelial cells of several human tissues including colon, stomach, breast, ovary, and kidney.
Physical form
Lyophilized from a 0.2 μm filtered solution in PBS, pH 7.4 with 50 μg BSA per 1 μg as a carrier protein.
Preparation Note
It should be reconstituted by adding sterile PBS containing 0.1% HAS or BSA to a concentration greater than 10 μg/mL.
Analysis Note
Measured in a cell proliferation assay using Balb/3T3 mouse embryonic fibroblast cells. Marquardt, H. et al. (1984) Science 223:1079. The ED50 for this effect is typically 5-15 ng/mL.
Other Notes
Human amphiregulin is produced by a DNA sequence that encodes a 98 amino acid residue form of mature human amphiregulin. This corresponds to amino acid residues 101-198 in E. coli. Amphiregulin is a glycoprotein produced in response to treatment of the cell line MCF-7, a human breast carcinoma cell line, with PMA, a protein kinase C activator and potent tumor promoter.
Disclaimer
This product should be stored at -20°C. After preparation, the product can be stored at 2-8°C for one month, or frozen in aliquots at -20°C or -70°C for more extended storage.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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L Damstrup et al.
British journal of cancer, 80(7), 1012-1019 (1999-06-11)
Colonic enterocytes, like many epithelial cells in vivo, are polarized with functionally distinct apical and basolateral membrane domains. The aims of this study were to characterize the endogenous epidermal growth factor (EGF)-like ligands expressed in two polarizing colon cancer cell
Khampoun Sayasith et al.
General and comparative endocrinology, 180, 39-47 (2012-11-28)
Little is known about the expression and regulation of epiregulin (EREG) and amphiregulin (AREG) in ovarian follicles of large monoovulatory animal species. To characterize the gonadotropin-dependent regulation of EREG and AREG mRNAs in equine follicles prior to ovulation, extracts were
Mathew C Casimiro et al.
Molecular endocrinology (Baltimore, Md.), 27(9), 1415-1428 (2013-07-19)
The CCND1 gene, which is frequently overexpressed in cancers, encodes the regulatory subunit of a holoenzyme that phosphorylates the retinoblastoma protein. Although it is known that cyclin D1 regulates estrogen receptor (ER)α transactivation using heterologous reporter systems, the in vivo
Renuka Subramaniam et al.
The Journal of infectious diseases, 209(11), 1827-1836 (2013-12-25)
Seasonal and especially pandemic influenza predispose patients to secondary bacterial pneumonias, which are a major cause of deaths and morbidity. Staphylococcus aureus is a particularly common and deadly form of post-influenza pneumonia, and increasing staphylococcal drug resistance makes the development
Dalia Burzyn et al.
Cell, 155(6), 1282-1295 (2013-12-10)
Long recognized to be potent suppressors of immune responses, Foxp3(+)CD4(+) regulatory T (Treg) cells are being rediscovered as regulators of nonimmunological processes. We describe a phenotypically and functionally distinct population of Treg cells that rapidly accumulated in the acutely injured
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Instructions
Global Trade Item Number
| SKU | GTIN |
|---|---|
| A7080-.1MG | 04061833383445 |
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