Article
Hypoxia-inducible factors 1alpha and 2alpha regulate trophoblast differentiation.
Molecular and cellular biology - 1 Dec 2005
Cowden Dahl Karen D, Fryer Benjamin H, Mack Fiona A, Compernolle Veerle, Maltepe Emin, Adelman David M, Carmeliet Peter, Simon M Celeste
Abstract excerpt
Placental development initially occurs in a low-oxygen (O2) or hypoxic environment. In this report we show that two hypoxia-inducible factors (HIFs), HIF1alpha and HIF2alpha, are essential for determining murine placental cell fates. HIF is a heterodimer composed of HIFalpha and HIFbeta (ARNT) subunits. Placentas from Arnt-/- and Hif1alpha-/- Hif2alpha-/- embryos exhibit defective placental vascularization and...
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