Hypoxia-inducible factor 1: Control of oxygen homeostasis in health and disease

Research output: Contribution to journalArticle

Abstract

Hypoxia-inducible factor 1 (HIF-1) is a transcriptional activator that mediates changes in gene expression in response to changes in cellular oxygen concentrations. HIF-1 is a heterodimer consisting of an oxygen-regulated HIF-1α subunit and a constitutively expressed HIF-1β subunit. In mice, complete HIF-1α deficiency results in embryonic lethality at midgestation because of cardiac and vascular malformations. Analyses of animal and cell culture models as well as human tissue have provided evidence that HIF-1 plays important roles in the pathophysiology of preeclampsia, intrauterine growth retardation, hypoxia-mediated pulmonary hypertension, and cancer. HIF-1 promotes neovascularization in response to myocardial or retinal ischemia by activating transcription of the gene encoding vascular endothelial growth factor. HIF-1 may also mediate the protective response to cerebral ischemia known as late-phase preconditioning.

Original languageEnglish (US)
Pages (from-to)614-617
Number of pages4
JournalPediatric Research
Volume49
Issue number5
StatePublished - 2001

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Hypoxia-Inducible Factor 1
Homeostasis
Oxygen
Health
Vascular Malformations
Fetal Growth Retardation
Pre-Eclampsia
Brain Ischemia
Pulmonary Hypertension
Vascular Endothelial Growth Factor A
Lung Neoplasms
Ischemia
Cell Culture Techniques
Gene Expression

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Hypoxia-inducible factor 1 : Control of oxygen homeostasis in health and disease. / Semenza, Gregg L.

In: Pediatric Research, Vol. 49, No. 5, 2001, p. 614-617.

Research output: Contribution to journalArticle

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