Cloning, OrganismSwineNuclear Transfer TechniquesSus scrofaClone CellsMammalsNerve RegenerationEmbryo, MammalianBlastocystRegenerationMorulaGuinea PigsAxonsEmbryonic and Fetal DevelopmentEmbryo, NonmammalianFertilization in VitroAnimals, NewbornChick EmbryoPregnancyCytopathogenic Effect, ViralCloning, MolecularMolecular Sequence DataOocytesTime FactorsEmbryo TransferBase SequenceMice, Inbred C57BLCell DifferentiationEmbryo ImplantationNeuronsAmino Acid SequenceEmbryonic DevelopmentCells, CulturedGene Expression Regulation, DevelopmentalEmbryo LossSequence Homology, Amino AcidDNA, ComplementaryRNA, MessengerBlastomeresCleavage Stage, OvumDNAPhylogenyZebrafishSequence Analysis, DNAIn Situ HybridizationSequence AlignmentMutationSequence Homology, Nucleic AcidZygoteCell LineEmbryo DispositionPolymerase Chain ReactionGene ExpressionPlasmidsNucleic Acid HybridizationGenesTranscription, GeneticEscherichia coli