Human Erythropoietin Antibody

Catalog # Availability Size / Price Qty
MAB2872-100
MAB2872-SP
Cell Proliferation Induced by Erythropoietin and Neutralization by Human Erythropoietin Antibody.
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Human Erythropoietin Antibody Summary

Species Reactivity
Human
Specificity
Detects human Erythropoietin in direct ELISAs.
Source
Monoclonal Mouse IgG1 Clone # 971019
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
Chinese Hamster Ovary cell line CHO-derived human Erythropoietin protein
Ala28-Arg193
Accession # CAA26094
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Neutralization
Measured by its ability to neutralize Erythropoietin-induced proliferation in the TF‑1 human erythroleukemic cell line. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The Neutralization Dose (ND50) is typically 0.02-0.2 µg/mL in the presence of 0.3 units/mL Recombinant Human Erythropoietin (Tissue Culture Grade).

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Data Example

Neutralization Cell Proliferation Induced by Erythropoietin and Neutralization by Human Erythropoietin Antibody. View Larger

Cell Proliferation Induced by Erythropoietin and Neutralization by Human Erythropoietin Antibody. Recombinant Human Erythropoietin (Tissue Culture Grade) (Catalog # 287-TC) stimulates proliferation in theTF-1 human erythroleukemic cell line in a dose-dependent manner (orange line), as measured by Resazurin (Catalog # AR002). Proliferation elicited by Recombinant Human Erythropoietin (Tissue Culture Grade) (0.3 units/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Human Erythropoietin Monoclonal Antibody (Catalog # MAB2872). The ND50 is typically 0.02-0.2 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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.

Background: Erythropoietin

Erythropoietin (Epo) is a 34 kDa glycoprotein hormone in the type I cytokine family and is related to thrombopoietin (1). Its three N-glycosylation sites, four alpha helices, and N- to C-terminal disulfide bond are conserved across species (2, 3). Glycosylation of Epo is required for biological activities in vivo (4). Mature human Epo shares 75% - 84% amino acid sequence identity with bovine, canine, equine, feline, mouse, ovine, porcine, and rat EPO. Epo is primarily produced in the kidney by a population of fibroblast-like cortical interstitial cells adjacent to the proximal tubules (5). It is also produced in much lower, but functionally significant amounts by fetal hepatocytes and in adult liver and brain (6 - 8). Epo promotes erythrocyte formation by preventing the apoptosis of early erythroid precursors which express the Epo receptor (Epo R) (8, 9). Epo R has also been described in brain, retina, heart, skeletal muscle, kidney, endothelial cells, and a variety of tumor cells (7, 8, 10, 11). Ligand induced dimerization of Epo R triggers JAK2-mediated signaling pathways followed by receptor/ligand endocytosis and degradation (1, 12). Rapid regulation of circulating Epo allows tight control of erythrocyte production and hemoglobin concentrations. Anemia or other causes of low tissue oxygen tension induce Epo production by stabilizing the hypoxia-induceable transcription factors HIF-1 alpha and HIF-2 alpha (1, 6). Epo additionally plays a tissue-protective role in ischemia by blocking apoptosis and inducing angiogenesis (7, 8, 13).

References
  1. Koury, M.J. (2005) Exp. Hematol. 33:1263.
  2. Jacobs, K. et al. (1985) Nature 313:806.
  3. Wen, D. et al. (1993) Blood 82:1507.
  4. Tsuda E., et al. (1990) Eur. J. Biochem. 188:405.
  5. Lacombe, C. et al. (1988) J. Clin. Invest. 81:620.
  6. Eckardt, K.U. and A. Kurtz (2005) Eur. J. Clin. Invest. 35 Suppl. 3:13.
  7. Sharples, E.J. et al. (2006) Curr. Opin. Pharmacol. 6:184.
  8. Rossert, J. and K. Eckardt (2005) Nephrol. Dial. Transplant 20:1025.
  9. Koury, M.J. and M.C. Bondurant (1990) Science 248:378.
  10. Acs, G. et al. (2001) Cancer Res. 61:3561.
  11. Hardee, M.E. et al. (2006) Clin. Cancer Res. 12:332.
  12. Verdier, F. et al. (2000) J. Biol. Chem. 275:18375.
  13. Kertesz, N. et al. (2004) Dev. Biol. 276:101.
Entrez Gene IDs
2056 (Human); 13856 (Mouse); 24335 (Rat)
Alternate Names
EP; EPO; epoetin; Erythropoietin; MGC138142; MVCD2

Product Datasheets

FAQs

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Isotype Controls

Mouse IgG1 Isotype Control

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Reconstitution Buffers

Secondary Antibodies

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