Fetal BloodCell TransdifferentiationFetusNuclear ReprogrammingCells, CulturedCell DifferentiationCloning, OrganismAnimals, NewbornEmbryonic Stem CellsPluripotent Stem CellsInduced Pluripotent Stem CellsAgingInfant, NewbornStem CellsAdult Stem CellsFibroblastsEmbryo, MammalianGene Expression Regulation, DevelopmentalCell LineageCell Culture TechniquesRNA, MessengerCell DivisionGene Expression RegulationGene Expression ProfilingPhenotypeFlow CytometryAge FactorsCell LinePregnancyTranscription FactorsTime FactorsTranscription, GeneticModels, BiologicalMolecular Sequence DataSignal Transduction