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Wenger, R H; Hoogewijs, D (2010). Regulated oxygen sensing by protein hydroxylation in renal erythropoietin-producing cells. American Journal of Physiology: Renal Physiology, 298(6):F1287-F1296.

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The kidney is a major site of systemic oxygen sensing, regulating blood erythrocyte and hence oxygen content by hypoxia-inducible erythropoietin (Epo) expression. A constant ratio between blood perfusion and oxygen consumption, a stable corticomedullary oxygen gradient, and a relatively low tissue Po(2) are the prerequisites for the function of renal Epo-producing and oxygen-sensing (REPOS) cells, which are located in the juxtamedullary cortex. In kidney disease, renal oxygen consumption is decreased, leading to an increase in Po(2), dysfunction of REPOS cells, and anemia. The molecular principles of cellular oxygen sensing have been elucidated in the last few years, and genetically altered mouse models as well as hereditary diseases causing erythrocytosis have clarified the oxygen-signaling cascade leading to increased Epo expression in REPOS cells. However, the consequences of a number of recently discovered factors for the regulation of oxygen signaling in REPOS cells are unclear, asking for novel cell culture models which might be hampered by the putative neuron-like nature of this enigmatic cell type.


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Additional indexing

Item Type:Journal Article, refereed, further contribution
Communities & Collections:04 Faculty of Medicine > Center for Integrative Human Physiology
04 Faculty of Medicine > Institute of Physiology
07 Faculty of Science > Institute of Physiology
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Date:10 March 2010
Deposited On:25 May 2010 10:24
Last Modified:05 Apr 2016 14:08
Publisher:American Physiological Society
Funders:Swiss National Science Foundation, Sassella Stiftung , Marie Curie Fellowship from European Commission (Hoogewijs)
Additional Information:The Official URL is a toll-free-link only valid for this site. Make sure you are at http://www.zora.uzh.ch/34186 (not using https) when you click on the link.
Free access at:Official URL. An embargo period may apply.
Publisher DOI:10.1152/ajprenal.00736.2009
PubMed ID:20219824

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