Mouse Anti-Human Amphiregulin

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Size100 µg
Price380 €
CategoryMonoclonal Antibody
Clone Nr.(#8K16)
Species ReactivityHuman
ReconstitutionCentrifuge vial prior to opening. Reconstitute the antibody with 500 µl sterile PBS and the final concentration is 200 µg/ml.
Stability and StorageLyophilized samples are stable for 2 years from date of receipt when stored at -70°C. Reconstituted antibody can be aliquoted and stored frozen at < -20°C for at least six months without detectable loss of activity.
PreparationThis antibody was produced from a hybridoma (mouse myeloma fused with spleen cells from a mouse) immunized with Human Amphiregulin recombinant protein.
Antigenrecombinant human Amphiregulin
DescriptionAmphiregulin (AR) is a member of the EGF family of cytokines which is comprised of at least ten proteins including EGF, TGFα, HBEGF, and the various heregulins. All of these cytokines are synthesized as transmembrane precursors and are characterized by the presence of one or several EGF structural units in their extracellular domain. The soluble forms of these cytokines are released by proteolytic cleavage. Amphiregulin was originally isolated from the conditioned media of a PMAtreated MCF 7 human breast carcinoma cell line. The AR cDNA encodes a 252 amino acid (aa) residue transmembrane precursor. Multiple forms of native AR containing either 78 or 84 aa residues and both N- and O- linked oligosaccharides have been found. Amphiregulin mRNA expression can be detected in numerous carcinoma cell lines and the epithelial cells of various human tissues including colon, stomach, breast, ovary, kidney, etc. Human AR stimulates the proliferation of various human and mouse keratinocytes, mammary epithelial cells and some fibroblasts. AR is also a growth inhibitor for various tumor cell lines. In certain colon carcinoma cell lines, AR has been shown to be an autocrine growth factor. Amphiregulin can bind to the EGF receptor. It has been suggested that in certain cell types, AR bioactivity may be mediated through the EGF receptor. The 98 aa residue long form of recombinant amphiregulin has shown to be approximately 510 fold more active than the 78 aa residue form of recombinant AR in an in vitro proliferation assay using Balb/3T3 fibroblasts.
Uniprot IDP15514
Protein RefSeqNP_001648.1
mRNA RefSeqNM_001657.2

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