http://purl.uniprot.org/citations/23548588 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
http://purl.uniprot.org/citations/23548588 | http://www.w3.org/2000/01/rdf-schema#comment | "BackgroundPrevious reports showed that prenatal hypoxia delays the process of lung maturation. Vascular endothelial growth factor (VEGF) and its receptors were important for lung development. However, the role of VEGF and VEGF receptors in altered fetal lung development and maturation induced by prenatal hypoxia remains unknown.ObjectivesTo elucidate the role of VEGF and VEGF receptors in altered fetal lung development and maturation induced by prenatal hypoxia.MethodsLung sections of control and maternal hypoxic fetal mice were used for the determination of lung development and total RNA isolated from lung homogenates were used for determination of the expression patterns of VEGF, Flt-1, Flk-1, hypoxia-inducible factor (HIF)-1α, HIF-2α, surfactant protein (SP)-A, SP-B, SP-C, and SP-D by quantitative real-time RT-PCR.ResultsPrenatal hypoxia resulted in fetal mice body weight gain impairment, delayed fetal pulmonary aeration and maturation. Pulmonary SP-A, SP-B, SP-C, and SP-D mRNA were all decreased in the prenatal hypoxia group. In addition, we demonstrated that prenatal hypoxia inhibited the developmental increase of pulmonary HIF-1α and HIF-2α expression and resulted in decreasing VEGF and its receptors (Flt-1 and Flk-1) at the mRNA expression level and VEGF protein level in fetal lungs. These inhibitory effects persisted and progressed even when the dams were returned to air.ConclusionsWe suggest that prenatal hypoxia insults, at least in late gestation, influence pulmonary VEGF and VEGF receptor expression through the down-regulation of HIF pathways and impair fetal lung growth and maturation."xsd:string |
http://purl.uniprot.org/citations/23548588 | http://purl.org/dc/terms/identifier | "doi:10.1159/000347103"xsd:string |
http://purl.uniprot.org/citations/23548588 | http://purl.uniprot.org/core/author | "Wei S.C."xsd:string |
http://purl.uniprot.org/citations/23548588 | http://purl.uniprot.org/core/author | "Tsao P.N."xsd:string |
http://purl.uniprot.org/citations/23548588 | http://purl.uniprot.org/core/date | "2013"xsd:gYear |
http://purl.uniprot.org/citations/23548588 | http://purl.uniprot.org/core/name | "Neonatology"xsd:string |
http://purl.uniprot.org/citations/23548588 | http://purl.uniprot.org/core/pages | "300-307"xsd:string |
http://purl.uniprot.org/citations/23548588 | http://purl.uniprot.org/core/title | "Prenatal hypoxia downregulates the expression of pulmonary vascular endothelial growth factor and its receptors in fetal mice."xsd:string |
http://purl.uniprot.org/citations/23548588 | http://purl.uniprot.org/core/volume | "103"xsd:string |
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