Erythropoietin (EPO), also known as erythropoetin, haematopoietin, or haemopoietin, is a glycoprotein cytokine secreted mainly by the kidneys in response to cellular hypoxia; it stimulates red blood cell production (erythropoiesis) in the bone marrow. Low levels of EPO (around 10 mU/mL) are constantly secreted in sufficient quantities to compensate for normal red blood cell turnover. Common causes of cellular hypoxia resulting in elevated levels of EPO (up to 10 000 mU/mL) include any anemia, and hypoxemia due to chronic lung disease and mouth disease.
Background References
1. Wu YW et al. Trial of Erythropoietin for Hypoxic-Ischemic Encephalopathy in Newborns. N Engl J Med. 2022 Jul
2. Sergio CM et al. Erythropoietin regulates signaling pathways associated with neuroprotective events. Exp Brain Res. 2022 May
Western blot analysis of EPO on different lysates with Rabbit anti-EPO antibody (HA722821) at 1/1,000 dilution.
Lane 1: 293T transfected with empty control cell lysate Lane 2: 293T transfected with EPO cell lysate
Lysates/proteins at 10 µg/Lane.
Predicted band size: 21 kDa Observed band size: 25 kDa
Exposure time: 1 minute 50 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA722821) at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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