Neuregulin-1NeuregulinsReceptor, erbB-3Receptor, erbB-2Receptor, Epidermal Growth FactorGenes, erbBEpidermal Growth FactorOncogene Proteins v-erbBSignal TransductionCell Line, TumorGenes, erbB-2Mice, TransgenicBreast NeoplasmsTransfectionGene Expression Regulation, NeoplasticPhosphorylationGene ExpressionRNA, MessengerMolecular Sequence DataCell LineApoptosisCell ProliferationImmunohistochemistryBlotting, WesternUp-RegulationMutationReverse Transcriptase Polymerase Chain ReactionProto-Oncogene ProteinsTumor Cells, CulturedTranscription FactorsCells, CulturedRNA, Small InterferingProtein BindingGene Expression RegulationBase SequenceDown-RegulationAmino Acid SequenceProto-Oncogene Proteins c-aktPromoter Regions, GeneticCell DivisionDNA-Binding ProteinsQuinazolinesGene AmplificationEnzyme ActivationRNA InterferenceCell Transformation, NeoplasticPhosphatidylinositol 3-KinasesCarrier ProteinsMembrane ProteinsPhenotypeRecombinant Fusion ProteinsProtein-Serine-Threonine KinasesCell SurvivalCell MovementProtein Structure, TertiaryTranscription, GeneticDrug Resistance, NeoplasmDNA PrimersRecombinant ProteinsAntineoplastic AgentsMucin-4Mice, Inbred C57BLNuclear ProteinsNeoplasm InvasivenessCell DifferentiationNeoplasm ProteinsGene Expression Regulation, EnzymologicProtein IsoformsAdaptor Proteins, Signal TransducingImmunoprecipitationMice, NudeImmunoblottingLigandsDimerizationTumor Suppressor Protein p53Cell CycleGene Expression ProfilingCloning, MolecularCOS CellsGene Knockdown TechniquesCyclin D1Models, BiologicalAdenoviridaeMice, KnockoutProto-Oncogene Proteins c-bcl-2Genetic VectorsGene Expression Regulation, DevelopmentalTrans-ActivatorsSequence Homology, Amino AcidIntercellular Signaling Peptides and ProteinsCell NucleusTranscriptional ActivationDNA, ComplementaryProtein TransportIntracellular Signaling Peptides and ProteinsEnzyme InhibitorsTime FactorsMammary Neoplasms, ExperimentalTumor Markers, BiologicalEpithelial Cells