Diseases, Conditions, Syndromes

Epo does not help with neurological damage to newborns

Adding erythropoietin to cooling therapy for term newborns with birth asphyxia has no benefit over cooling therapy alone, a study published today in the New England Journal of Medicine.

Pediatrics

High-dose erythropoietin no benefit for extreme preemies

(HealthDay)—For extremely preterm infants, high-dose erythropoietin treatment from 24 hours after birth does not result in a reduced risk for severe neurodevelopmental impairment or death at age 2 years, according to a ...

Diseases, Conditions, Syndromes

Study examines neurological outcomes for TBI treatments

In patients with a traumatic brain injury (TBI), neither the administration of the hormone erythropoietin (EPO) or maintaining a higher hemoglobin concentration through blood transfusion resulted in improved neurological ...

Diseases, Conditions, Syndromes

Common virus may cause anemia in patients with kidney disease

A virus that is present in most people in a latent state may induce or exacerbate anemia in patients with kidney disease, according to a study appearing in an upcoming issue of the Journal of the American Society of Nephrology ...

Other

Legalise doping or lose the spectacle of sport

Sport, at both international and local levels, seems to constantly be in a doping crisis. It may be time to consider legalising performance enhancers because zero tolerance is clearly not working.

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Erythropoietin

Erythropoietin, or its alternatives erythropoetin or erithropoyetin ( /ɨˌrɪθrɵˈpɔɪ.ɨtɨn/, /ɨˌrɪθrɵˈpɔɪtən/, or /ɨˌriːθrɵ-/) or EPO, is a glycoprotein hormone that controls erythropoiesis, or red blood cell production. It is a cytokine for erythrocyte (red blood cell) precursors in the bone marrow.

Also called hematopoietin or hemopoietin, it is produced by interstitial fibroblasts in the kidney in close association with peritubular capillary and tubular epithelial cells. It is also produced in perisinusoidal Ito cells in the liver. While liver production predominates in the fetal and perinatal period, renal production is predominant during adulthood. Erythropoietin is the hormone that regulates red blood cell production. It also has other known biological functions. For example, erythropoietin plays an important role in the brain's response to neuronal injury. EPO is also involved in the wound healing process.

When exogenous EPO is used as a performance-enhancing drug, it is classified as an erythropoiesis-stimulating agent (ESA). Exogenous EPO can often be detected in blood, due to slight difference from the endogenous protein, for example in features of posttranslational modification.

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