2020
Differentiation of PTH-Expressing Cells From Human Pluripotent Stem Cells
Lawton BR, Martineau C, Sosa JA, Roman S, Gibson CE, Levine MA, Krause DS. Differentiation of PTH-Expressing Cells From Human Pluripotent Stem Cells. Endocrinology 2020, 161: bqaa141. PMID: 32810225, PMCID: PMC7505176, DOI: 10.1210/endocr/bqaa141.Peer-Reviewed Original ResearchMeSH KeywordsCell DifferentiationCells, CulturedEndodermGene Expression Regulation, DevelopmentalHuman Embryonic Stem CellsHumansOrganogenesisParathyroid GlandsParathyroid HormonePluripotent Stem Cells
2013
Effect of a Matrigel Sandwich on Endodermal Differentiation of Human Embryonic Stem Cells
Lawton BR, Sosa JA, Roman S, Krause DS. Effect of a Matrigel Sandwich on Endodermal Differentiation of Human Embryonic Stem Cells. Stem Cell Reviews And Reports 2013, 9: 578-585. PMID: 23719997, DOI: 10.1007/s12015-013-9447-2.Peer-Reviewed Original ResearchMeSH KeywordsCell Culture TechniquesCell DifferentiationCell LineCell LineageCell MovementCell SurvivalCollagenDrug CombinationsEmbryonic Stem CellsEndodermFluorescent Antibody TechniqueGene Expression Regulation, DevelopmentalGlutamine-Fructose-6-Phosphate Transaminase (Isomerizing)Hepatocyte Nuclear Factor 3-alphaHepatocyte Nuclear Factor 3-betaHumansLamininProteoglycansReceptors, Cell SurfaceReverse Transcriptase Polymerase Chain ReactionSOXF Transcription FactorsTime FactorsConceptsHuman embryonic stem cellsEmbryonic stem cellsDefinitive endodermEndodermal differentiationGene expression patternsStem cellsPrecardiac mesodermExpression patternsLow-serum mediumCell deathMesenchymal transitionMigratory characteristicsKey eventsEndodermDifferentiationCell viabilityActivin ASerum mediumCellsGastrulationImproved protocolMesodermInductionGenesNutrients
2009
Dynamics of α-globin locus chromatin structure and gene expression during erythroid differentiation of human CD34+ cells in culture
Mahajan MC, Karmakar S, Newburger PE, Krause DS, Weissman SM. Dynamics of α-globin locus chromatin structure and gene expression during erythroid differentiation of human CD34+ cells in culture. Experimental Hematology 2009, 37: 1143-1156.e3. PMID: 19607874, PMCID: PMC2997688, DOI: 10.1016/j.exphem.2009.07.001.Peer-Reviewed Original ResearchMeSH KeywordsAlpha-GlobinsAntigens, CD34CCCTC-Binding FactorCells, CulturedChromatin Assembly and DisassemblyEnhancer Elements, GeneticErythroid Precursor CellsErythropoiesisErythropoietinGATA1 Transcription FactorGene Expression Regulation, DevelopmentalGlycophorinsHematopoietic Cell Growth FactorsHistonesHumansInsulator ElementsNF-E2 Transcription Factor, p45 SubunitProtein BindingRepressor ProteinsRNA Polymerase IITranscription FactorsConceptsAlpha-globin lociTranscription factor recruitmentChromatin structureGATA-1Transcription factorsErythroid differentiationGene expressionFactor recruitmentPol IIQuantitative polymerase chain reaction analysisAlpha-globin gene expressionKey erythroid transcription factorsErythroid transcription factorsNF-E2Chromatin immunoprecipitation-quantitative polymerase chain reaction analysisAlpha-globin genesUpstream activator sitesBeta-like genesPolymerase chain reaction analysisChain reaction analysisStages of erythropoiesisGlobin promoterDifferent differentiation stagesFactor CTCFHistone modifications
1997
Regulation of CD34 expression in differentiating M1 cells.
Krause DS, Kapadia SU, Raj NB, May WS. Regulation of CD34 expression in differentiating M1 cells. Experimental Hematology 1997, 25: 1051-61. PMID: 9293902.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAnimalsAntigens, CD34Base SequenceBinding SitesCell DifferentiationCells, CulturedDNA-Binding ProteinsDown-RegulationGene Expression RegulationGene Expression Regulation, DevelopmentalGene Expression Regulation, NeoplasticHematopoiesisLeukemia, MyeloidMiceMolecular Sequence DataNuclear ProteinsRNA, MessengerTranscription, GeneticConceptsTranscription initiation siteUntranslated regionPromoter activityHematopoietic stemCell type-specific expressionSecondary structureTATA-less promoterPromoter-luciferase reporter constructsFull promoter activityUpstream genomic DNAProgenitor cellsTranslation start siteMature blood cellsType-specific expressionOptimal promoter activityExtensive secondary structureP1 nuclease digestionCell-specific factorsTranscriptional initiationGene regulationTranscription factorsConsensus sitesStart siteRegulatory elementsTATA element