Cell LineageCell DifferentiationVascular Cell Adhesion Molecule-1Cells, CulturedStem CellsGene Expression Regulation, DevelopmentalTranscription FactorsSignal TransductionGene Expression RegulationEmbryonic Stem CellsRNA, MessengerCell LineMolecular Sequence DataMice, Inbred C57BLCell DivisionEndothelium, VascularMice, TransgenicIntercellular Adhesion Molecule-1Cell ProliferationMice, KnockoutBase SequenceHematopoietic Stem CellsCell Adhesion MoleculesCell AdhesionHomeodomain ProteinsE-SelectinImmunohistochemistryPhenotypeDNA-Binding ProteinsSex DifferentiationGene ExpressionPhylogenyReverse Transcriptase Polymerase Chain ReactionIntegrin alpha4beta1Flow CytometryEndothelial CellsBone Marrow CellsIn Situ HybridizationEmbryo, MammalianTretinoinBasic Helix-Loop-Helix Transcription FactorsMesodermMesenchymal Stromal CellsOsteoblastsOsteogenesisTranscription, GeneticTime FactorsCell Culture TechniquesBiological MarkersAntigens, DifferentiationMonocytesModels, BiologicalCell MovementMuscle, Smooth, VascularTrans-ActivatorsPromoter Regions, GeneticAdipogenesisNeuronsUp-RegulationGene Expression ProfilingAmino Acid SequenceB-LymphocytesMorphogenesisTransfectionMutationApoptosisDNA PrimersHematopoiesisReceptors, NotchEndodermMyocytes, Smooth MuscleAntigens, CDThymus GlandBlotting, WesternUmbilical VeinsBlood VesselsDown-RegulationTumor Cells, CulturedT-LymphocytesMuscle DevelopmentCoculture TechniquesNuclear ProteinsGerm CellsCell SeparationAdipocytesEpithelial CellsMultipotent Stem CellsRepressor ProteinsPluripotent Stem CellsEmbryo, NonmammalianCell SurvivalMyoblastsPolymerase Chain ReactionMacrophagesFluorescent Antibody TechniqueMembrane ProteinsProto-Oncogene ProteinsReceptors, Very Late AntigenIntegrin alpha4Evolution, Molecular