Brain and skin do not contribute to the systemic rise in erythropoietin during acute hypoxia in humans
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Brain and skin do not contribute to the systemic rise in erythropoietin during acute hypoxia in humans. / Rasmussen, Peter; Nordsborg, Nikolai; Taudorf, Sarah; Sørensen, Henrik; Berg, Ronan M G; Jacobs, Robert A; Bailey, Damian M; Olsen, Niels V; Secher, Niels H; Møller, Kirsten; Lundby, Carsten.
I: F A S E B Journal, Bind 26, Nr. 5, 2012, s. 1831-1834.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Brain and skin do not contribute to the systemic rise in erythropoietin during acute hypoxia in humans
AU - Rasmussen, Peter
AU - Nordsborg, Nikolai
AU - Taudorf, Sarah
AU - Sørensen, Henrik
AU - Berg, Ronan M G
AU - Jacobs, Robert A
AU - Bailey, Damian M
AU - Olsen, Niels V
AU - Secher, Niels H
AU - Møller, Kirsten
AU - Lundby, Carsten
N1 - CURIS 2012 5200 024
PY - 2012
Y1 - 2012
N2 - Erythropoietin (EPO) preserves arterial oxygen content by controlling red blood cell and plasma volumes. Synthesis of EPO was long thought to relate inversely to renal oxygenation, but in knockout mice, brain and skin have been identified as essential for the acute hypoxic EPO response. Whether these findings apply to humans remains unknown. We exposed healthy young subjects to hypoxia (equivalent to 3800 m) and measured EPO in arterial and jugular venous plasma and in cerebrospinal fluid. To examine the role of the skin for EPO production during hypoxia, subjects were exposed to 8 h of hypobaric hypoxia with or without breathing oxygen-enriched air to ensure systemic normoxemia. With 9 h of hypoxia, arterial EPO increased (from 6.0±2.2 to 22.0±6.0 mU/ml, n=11, P
AB - Erythropoietin (EPO) preserves arterial oxygen content by controlling red blood cell and plasma volumes. Synthesis of EPO was long thought to relate inversely to renal oxygenation, but in knockout mice, brain and skin have been identified as essential for the acute hypoxic EPO response. Whether these findings apply to humans remains unknown. We exposed healthy young subjects to hypoxia (equivalent to 3800 m) and measured EPO in arterial and jugular venous plasma and in cerebrospinal fluid. To examine the role of the skin for EPO production during hypoxia, subjects were exposed to 8 h of hypobaric hypoxia with or without breathing oxygen-enriched air to ensure systemic normoxemia. With 9 h of hypoxia, arterial EPO increased (from 6.0±2.2 to 22.0±6.0 mU/ml, n=11, P
U2 - 10.1096/fj.11-191692
DO - 10.1096/fj.11-191692
M3 - Journal article
C2 - 22321729
VL - 26
SP - 1831
EP - 1834
JO - F A S E B Journal
JF - F A S E B Journal
SN - 0892-6638
IS - 5
ER -
ID: 37588374