Gene Transfer TechniquesGenetic TherapyGenetic VectorsMoving and Lifting PatientsTransfectionAdenoviridaeEmbryo TransferFluorescence Resonance Energy TransferBioluminescence Resonance Energy Transfer TechniquesGene Transfer, HorizontalEnergy TransferTransduction, GeneticDependovirusTransgenesLentivirusCell LineRetroviridaeCells, Culturedbeta-GalactosidaseGene ExpressionPregnancyGreen Fluorescent ProteinsGenes, ReporterPolyethyleneimineGenes, Transgenic, SuicidePlasmidsThymidine KinaseLac OperonGene TargetingGenetic EngineeringNuclear Transfer TechniquesLuciferasesGanciclovirCytosine DeaminaseElectroporationLuminescent ProteinsX-Linked Combined Immunodeficiency DiseasesTropismPromoter Regions, GeneticMice, NudeTumor Cells, CulturedProdrugs