With carrier: Add sterile PBS or PBS containing 1% bovine or human serum albumin or 5-10% FBS to a final hEPO concentration of greater than 50 μg/ml. Solubilize for 30 minutes at room temperature with occasional gentle vortexing.
Carrier free: Add sterile PBS or PBS containing protein to minimize absorption of hEPO to surfaces. Solubilize for 30 minutes at room temperature with occasional gentle vortexing. Stock hEPO should be greater than 50 μg/ml.
|Purity||>98% as determined by SDS-PAGE of 6 μg reduced (+) and non-reduced (-) recombinant hEPO. All lots are greater than 98% pure.|
|Endotoxin||Less than 0.01 ng endotoxin/1μg hEPO.|
|Activity||The bioactivity of recombinant hEPO was determined in a TF-1 cell proliferation assay. The ED50 of each lot is between 50-400 pg/ml.|
|Molecular Formula||Recombinant hEPO contains no "tags" and the nonglycosylated protein has a calculated MW of 20,417. DTT-reduced and non-reduced protein migrate as 34-40 kDa polypeptides. Lower mobility in SDS-PAGE is due to glycosylation. The expected amino-terminal APPRL of recombinant hEPO was verified by amino acid sequencing.|
Recombinant human Erythropoietin (hEPO) Ala28-Arg193 (Accession #NP_000790) was expressed in human 293 cells at Cell Signaling Technology.
EPO is a 34 kDa protein that is required for the survival and terminal differentiation of erythrocytes (1). EPO is produced by a number of cell types including tubular endothelial cells, interstitial cells, hepatocytes, Kupffer cells, astrocytes, and Schwann cells (2-4). EPO inhibits apoptosis and may protect neuronal cells from death during ischemia and/or neurodegenerative diseases (3,4). EPO inhibits the production of pro-inflammatory cytokines through inhibition of NF-κB signaling (5). EPO protected against the development of diabetes in an animal model by promoting pancreatic β cell survival and growth (6). Binding of EPO to its cognate receptor, EPOR, induces activation of Jak2, Stat5 and Akt (3-5).
UniProt ID: P01588
Entrez-Gene Id: 2056
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|6980SC||10 µg (With Carrier)||