Neuregulin-1NeuregulinsReceptor, Epidermal Growth FactorReceptor, erbB-3Epidermal Growth FactorReceptor, erbB-2Genes, erbBQuinazolinesOncogene Proteins v-erbBSignal TransductionTransforming Growth Factor alphaPhosphorylationCell Line, TumorBreast NeoplasmsGenes, erbB-2TyrphostinsCell LineAntineoplastic AgentsProtein Kinase InhibitorsCell DivisionIntercellular Signaling Peptides and ProteinsAntibodies, Monoclonal, HumanizedTumor Cells, CulturedEnzyme ActivationCell ProliferationCells, CulturedProtein-Tyrosine KinasesAntibodies, MonoclonalTyrosineProto-Oncogene ProteinsProto-Oncogene Proteins c-aktImmunohistochemistryLigandsMolecular Sequence DataPhosphatidylinositol 3-KinasesGrowth SubstancesGene Expression Regulation, NeoplasticMutationTransforming Growth FactorsRNA, MessengerLung NeoplasmsTransfectionBlotting, WesternGenes, erbB-1Protein BindingMitogen-Activated Protein KinasesAmino Acid SequenceMice, NudeCarcinoma, Squamous CellGene AmplificationDrug Resistance, NeoplasmPhosphotyrosineExtracellular Signal-Regulated MAP KinasesDown-RegulationEnzyme InhibitorsMAP Kinase Signaling SystemCell Transformation, NeoplasticMitogen-Activated Protein Kinase 3Cell MovementReceptors, Cell SurfaceDimerizationReceptor Protein-Tyrosine KinasesEpithelial CellsProtein Structure, TertiaryCarcinoma, Non-Small-Cell Lung3T3 CellsKineticsMitogen-Activated Protein Kinase 1Apoptosissrc-Family KinasesAdenocarcinomaRecombinant ProteinsAdaptor Proteins, Signal TransducingBase SequenceRecombinant Fusion Proteinsras ProteinsMucin-4Dose-Response Relationship, DrugRNA, Small InterferingEndocytosisReverse Transcriptase Polymerase Chain ReactionCOS CellsCell MembraneXenograft Model Antitumor AssaysTumor Markers, BiologicalCell SurvivalGRB2 Adaptor ProteinReceptors, EstrogenFibroblastsImmunoblottingPrecipitin TestsProto-Oncogene Proteins c-cblKeratinocytesModels, BiologicalTime FactorsNeoplasm InvasivenessGene ExpressionIn Situ Hybridization, FluorescenceMammary Neoplasms, ExperimentalProtein-Serine-Threonine Kinases