H5166 Sigma-Aldrich

Erythropoietin human

EPO, recombinant, expressed in HEK 293 cells, suitable for cell culture

Synonym: EPO



Related Categories Cell Culture, Growth Factors and Cytokines, Hematopoietic Cytokines, Reagents and Supplements, Recombinant EPO More...
Quality Level   100
biological source   human
recombinant   expressed in HEK 293 cells
assay   ≥95% (SDS-PAGE)
form   lyophilized powder
potency   ≤5.0 ng/mL ED50
quality   endotoxin tested
mol wt   dimer 36 kDa (glycosylated)
packaging   pkg of 10 μg
storage condition   avoid repeated freeze/thaw cycles
application(s)   cell culture | mammalian: suitable
impurities   ≤1 EU/μg
UniProt accession no.   P01588
storage temp.   −20°C
Gene Information   human ... EPO(2056)


General description

EPO has been cloned from various species including human, murine, canine, and others. The mature proteins from the various species are highly conserved and exhibit greater than 80% amino acid sequence identity. EPO contains three N-linked glycosylation sites. The glycosylation of erythropoietin is required for the biological activities of erythropoietin in vivo.

Biochem/physiol Actions

Erythropoietin (EPO), produced primarily by the kidney, is the primary regulatory factor of erythropoiesis. It promotes the proliferation, differentiation, and survival of the erythroid progenitors. Erythropoietin stimulates erythropoiesis by inducing growth and differentiation of burst forming units and colony forming units into mature red blood cells. EPO produced by kidney cells is increased in response to hypoxia or anemia. The biological effects of erythropoietin are mediated by the erythropoietin receptor, which binds EPO with high affinity and is a potent EPO antagonist.

Erythropoietin is a glycoprotein that is the principal regulator of red blood cell growth and differentiation.

Preparation Note

Human EPO is expressed as a glycosylated 36 kDa monomer in human HEK 293 cells. Production in human HEK 293 cells offers authentic glycosylation. Glycosylation contributes to stability in cell growth media and other applications.

Analysis Note

The specific activity was determined by the dose-dependent stimulation of the proliferation of human TF-1 cells (human erythroleukemic indicator cell line).

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


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Protocols & Articles


HPLC Analysis of Erythropoietin on SRT® SEC-300 Gel Filtration Column

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Erythropoietin on SRT® SEC-300 Gel Filtration Column
Keywords: Chromatography, High performance liquid chromatography, Hormones, Size-exclusion chromatography

Hematopoietic Cytokines

Hematopoietic cytokines are large family of extracellular ligands that stimulate hematopoietic cells to differentiate into eight principle types of blood cells. Numerous cytokines are involved in the...
Keywords: Cell proliferation, Clinical, Growth factors, Ligands


Induced Pluripotent Stem Cell Reprogramming Protocols

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Keywords: Apoptosis, Cell culture, Culture media, Gene expression, Growth factors, Immunocytochemistry, Polymerase chain reaction, Respiratory, Transduction, Transfection

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Cell culture has become one of the most fundamental techniques for modeling biological systems, and is of increasing importance in the biotechnology and pharmaceutical sectors as well as an essential...
Keywords: Antibiotics, Apoptosis, Cell attachment, Cell culture, Cryopreservation, Filtration, Growth factors, Pharmaceutical, Phase transitions

Peer-Reviewed Papers


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