Hypoxia, hypoxia-inducible factors (HIF), HIF hydroxylases and oxygen sensing.
This article outlines the need for a homeostatic response to alterations in cellular oxygenation. It describes work on erythropoietin control that led to the discovery of the hypoxia-inducible transcription factor (HIF-1) and the parallel recognition that this system was responsive to a widespread oxygen-sensing mechanism. Subsequently, multiple HIF isoforms have been shown to have overlapping but non-redundant functions, controlling expression of genes involved in diverse processes such as a...Expand abstract
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