Stratified control of IGF-I expression by hypoxia and stress hormones in osteoblasts
McCarthy TL, Yun Z, Madri JA, Centrella M. Stratified control of IGF-I expression by hypoxia and stress hormones in osteoblasts. Gene 2014, 539: 141-151. PMID: 24440782, PMCID: PMC4316208, DOI: 10.1016/j.gene.2014.01.011.Peer-Reviewed Original ResearchMeSH KeywordsAlkaline PhosphataseAnimalsCCAAT-Enhancer-Binding Protein-deltaCell HypoxiaCells, CulturedCore Binding Factor Alpha 1 SubunitDinoprostoneDNADNA ReplicationGene Expression RegulationHydrocortisoneInsulin-Like Growth Factor IOsteoblastsOxygenPromoter Regions, GeneticProtein BiosynthesisRatsRats, Sprague-DawleyRegulatory Elements, TranscriptionalRNA, MessengerConceptsIGF-I expressionStress hormonesIGF-I gene promoterIGF-I mRNAInfluence of PGE2Transcription factor C/EBPδOsteoblast transcription factor Runx2Hypoxic inhibitionI expressionPGE2Stimulatory effectGlucocorticoidsHypoxiaHIF activityHypoxic stressTranscription factor Runx2Bone cellsIGFProlonged exposureHormoneAlkaline phosphatase activitySystemic regulationOsteoblastsResponse elementRunx2