Embryonal Carcinoma Stem CellsCarcinoma, EmbryonalTeratomaTretinoinCell DifferentiationNeoplastic Stem CellsGerm CellsStem CellsCarcinomaEmbryonic Stem CellsGonadsPluripotent Stem CellsNeoplasms, Germ Cell and EmbryonalHematopoietic Stem CellsStem Cell TransplantationAdult Stem CellsCell Line, TumorGene Expression Regulation, DevelopmentalTesticular NeoplasmsCarcinoma, Squamous CellOctamer Transcription Factor-3Carcinoma, HepatocellularOvaryStem Cell Factor