Gene Expression ProfilingGene ExpressionGene Expression RegulationRNA, MessengerTranscription, GeneticOligonucleotide Array Sequence AnalysisBase SequenceMolecular Sequence DataReverse Transcriptase Polymerase Chain ReactionGene Expression Regulation, DevelopmentalPromoter Regions, GeneticTranscription FactorsGene Expression Regulation, PlantGene Expression Regulation, NeoplasticGene Expression Regulation, EnzymologicAmino Acid SequenceBlotting, NorthernGene Expression Regulation, BacterialDNA, ComplementaryCell LineRNAGene Expression Regulation, ViralTranscriptomeCloning, MolecularDNA-Binding ProteinsCells, CulturedDNA PrimersPolymerase Chain ReactionAlternative SplicingSignal TransductionIn Situ HybridizationMutationGene Expression Regulation, FungalCluster AnalysisGenes, ReporterExpressed Sequence TagsUp-RegulationTransfectionExonsMicroarray AnalysisGene LibraryDNACell DifferentiationNuclear ProteinsPhenotypeOrgan SpecificitySequence Analysis, DNADown-RegulationNucleic Acid HybridizationCell Line, TumorRNA SplicingTrans-ActivatorsModels, GeneticRNA, AntisenseRepressor ProteinsRNA Processing, Post-TranscriptionalTranscriptional ActivationProtein BiosynthesisMice, Inbred C57BLIntronsGenes, PlantRNA StabilityRNA, PlantReal-Time Polymerase Chain ReactionMultigene FamilyTime FactorsSequence Homology, Amino AcidSequence AlignmentComputational BiologyPlasmidsPlant ProteinsTumor Cells, CulturedGene Regulatory NetworksCell NucleusLiverBlotting, WesternArabidopsisGenesMicroRNAsBinding SitesSequence Homology, Nucleic AcidHomeodomain ProteinsSequence Analysis, RNAChromosome MappingDatabases, GeneticProtein BindingImmunohistochemistryModels, Biological3' Untranslated RegionsGene SilencingLuciferasesRegulatory Sequences, Nucleic AcidRestriction MappingOpen Reading FramesRNA, NeoplasmHeLa CellsProtein IsoformsBacterial ProteinsReproducibility of ResultsRNA Interference