Mice, KnockoutPhenotypeGene Expression ProfilingGene Knockout TechniquesOligonucleotide Array Sequence AnalysisAutomation, LaboratoryGene TargetingGenetic TechniquesRNA InterferenceGenetic VectorsGene Expression RegulationGene ExpressionGenomicsTransgenesReverse Transcriptase Polymerase Chain ReactionGreen Fluorescent ProteinsRNA, Small InterferingMolecular Sequence DataBase SequenceRNA, MessengerMice, Inbred C57BLGene SilencingMice, TransgenicGene Expression Regulation, DevelopmentalPromoter Regions, GeneticRecombination, GeneticPlasmidsComputational BiologyGene Transfer TechniquesModels, GeneticPolymerase Chain ReactionDatabases, GeneticMutationRNATranscription, GeneticCell Line