TeratomaMice, NudeTesticular NeoplasmsCell Transformation, NeoplasticNeoplasm TransplantationSacrococcygeal RegionNeoplasms, ExperimentalDermoid CystMediastinal NeoplasmsNeoplasms, Germ Cell and EmbryonalOvarian NeoplasmsDysgerminomaTumor Cells, CulturedTransplantation, HeterologousMice, SCIDRetroperitoneal NeoplasmsEmbryonic Stem CellsTransfectionCell Line, TumorCell DivisionNeoplastic Stem CellsGerminomaAbnormalities, Severe TeratoidCell DifferentiationGene Expression Regulation, NeoplasticPluripotent Stem CellsCell LineKaryotypingCell ProliferationSOXB1 Transcription FactorsInduced Pluripotent Stem CellsIsochromosomesMesonephromaStruma OvariiCarcinogenicity TestsCoccyxOctamer Transcription Factor-3Mice, Inbred BALB CClone CellsHybrid CellsOvarian CystsTeratocarcinomaRetroperitoneal SpaceImmunohistochemistryNeoplasm MetastasisPhenotypeLung NeoplasmsOncogenesalpha-FetoproteinsNeoplasm InvasivenessEndodermal Sinus TumorNeoplasms, Multiple PrimaryGenes, rasCell Transformation, ViralSpheroids, CellularSide-Population CellsGenes, Tumor SuppressorCarcinogenesisApoptosisChoriocarcinomaXenograft Model Antitumor AssaysParaneoplastic Syndromes, Nervous SystemFibroblastsMice, Inbred NODNeoplasm ProteinsStem Cell TransplantationCell Line, TransformedBrain NeoplasmsSpinal NeoplasmsCell Culture TechniquesDNA, AntisenseTomography, X-Ray ComputedTwins, ConjoinedReverse Transcriptase Polymerase Chain ReactionNeovascularization, PathologicSeminomaCarcinoma, EmbryonalTumor Stem Cell Assay