Germ CellsCell DifferentiationSpermatogenesisTestisSpermatogoniaSertoli CellsSpermatozoaSpermatidsOogoniaNeoplasms, Germ Cell and EmbryonalGametogenesisSeminiferous EpitheliumSeminiferous TubulesMeiosisGene Expression Regulation, DevelopmentalSpermatocytesStem CellsEmbryonic Stem CellsOctamer Transcription Factor-3OvaryDEAD-box RNA HelicasesCryptorchidismRNA, MessengerRNA-Binding ProteinsCells, CulturedMolecular Sequence DataIn Situ HybridizationBase SequenceTranscription FactorsSignal TransductionSex DifferentiationCell LineageInfertility, MaleTesticular NeoplasmsCell LineGene Expression RegulationCell DivisionTretinoinCell ProliferationDNA-Binding ProteinsMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionImmunohistochemistryGerminomaMice, KnockoutMice, TransgenicHomeodomain ProteinsGonadsPhenotypeGene 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 ProteinsEmbryo, NonmammalianMorphogenesisCell SurvivalAdipocytes