Germ CellsCell DifferentiationOogoniaTestisSpermatogenesisNeoplasms, Germ Cell and EmbryonalSpermatogoniaMeiosisFetusGene Expression Regulation, DevelopmentalGonadsTesticular NeoplasmsSertoli CellsOvarySpermatozoaSpermatidsGametogenesisSeminiferous EpitheliumSeminiferous TubulesCarcinoma in SituSpermatocytesStem CellsEmbryonic Stem CellsOctamer Transcription Factor-3DEAD-box RNA HelicasesCryptorchidismRNA, MessengerRNA-Binding ProteinsDNA MethylationCells, CulturedHistonesMolecular Sequence DataIn Situ HybridizationBase SequenceTranscription FactorsSignal TransductionSex DifferentiationCell LineageInfertility, MaleCell LineGene Expression RegulationCell DivisionTretinoinCell ProliferationDNA-Binding ProteinsMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionImmunohistochemistryGerminomaMice, KnockoutMice, TransgenicHomeodomain ProteinsPhenotypeGene ExpressionEmbryo, MammalianTranscription, GeneticAntigens, DifferentiationTeratomaGene Expression ProfilingOsteogenesisCell Culture TechniquesOsteoblastsApoptosisMesenchymal Stromal CellsTrans-ActivatorsPromoter Regions, GeneticMutationRepressor ProteinsSeminomaNuclear ProteinsFlow CytometryBlotting, WesternModels, BiologicalAmino Acid SequenceTime FactorsCarcinoma, EmbryonalBasic Helix-Loop-Helix Transcription FactorsAdipogenesisTumor Cells, CulturedHematopoietic Stem CellsDimethyl SulfoxideTransfectionNeuronsMyoblastsMuscle DevelopmentHL-60 CellsBone Marrow CellsPluripotent Stem CellsDown-RegulationDNA PrimersMesodermCell CycleLeukemia, Erythroblastic, AcuteUp-RegulationEpithelial CellsReceptors, NotchAlkaline PhosphataseGerm LayersOogenesisBone Morphogenetic Proteins