Germ CellsClone CellsNeoplasms, Germ Cell and EmbryonalHematopoietic Stem Cell TransplantationTransplantation, HomologousTestisSpermatogenesisTesticular NeoplasmsKidney TransplantationTransplantationStem Cell TransplantationTransplantsTransplantation, AutologousGerminomaSpermatozoaGraft vs Host DiseaseSertoli CellsTissue DonorsSpermatogoniaGraft SurvivalSeminiferous TubulesHematologic NeoplasmsImmunosuppressive AgentsGraft RejectionSpermatocytesCytomegalovirus InfectionsSpermatidsImmunocompromised HostTransplantation ConditioningGonadsSeminomaTreatment OutcomeBone Marrow TransplantationRetrospective StudiesTime FactorsHistocompatibility TestingMolecular Sequence DataOpportunistic InfectionsHeart TransplantationMeiosisMycosesBase SequencePeripheral Blood Stem Cell TransplantationCytomegalovirusWheat Germ AgglutininsLung TransplantationSeminiferous EpitheliumOvaryOogenesisAspergillosisHistocompatibilityDysgerminomaGene Expression Regulation, DevelopmentalCloning, MolecularBusulfanCyclosporineCell DifferentiationGerm LayersTeratomaAmino Acid SequenceFetal Tissue TransplantationGametogenesisRecurrenceEndodermal Sinus TumorCell TransplantationRoseolovirus InfectionsPolymerase Chain ReactionOogoniaImmunosuppressionRNA, MessengerLiving DonorsPostoperative ComplicationsAntiviral AgentsFatal OutcomeTissue and Organ ProcurementSurvival RateRisk FactorsAntifungal AgentsGanciclovirFollow-Up StudiesTransplantation ChimeraImmunohistochemistrySurvival AnalysisSex DifferentiationBK VirusWhole-Body IrradiationTransplantation ImmunologyHematologic DiseasesCombined Modality TherapyPolyomavirus InfectionsNuclear Receptor Subfamily 6, Group A, Member 1Salvage TherapyTacrolimusLeukemiaHepatic Veno-Occlusive DiseaseTooth GermAntineoplastic Combined Chemotherapy ProtocolsHerpesvirus 6, HumanWaiting ListsInfertility, Male