Neuregulin-1NeuregulinsReceptor, erbB-3Receptor, erbB-2Receptor, Epidermal Growth FactorTyrosineBreastGenes, erbBBreast NeoplasmsReceptor Protein-Tyrosine KinasesEpidermal Growth FactorCell Line, TumorCarcinoma, Ductal, BreastSignal TransductionReceptors, EstrogenPhosphorylationGene Expression Regulation, NeoplasticBreast DiseasesTamoxifenAntineoplastic AgentsProtein Tyrosine PhosphatasesReceptors, ProgesteroneNeoplasm MetastasisNeoplasm InvasivenessMammographyTumor Cells, CulturedPrognosisTumor Markers, BiologicalProto-Oncogene ProteinsGenes, erbB-2Cell ProliferationOncogene Proteins v-erbBMice, NudeMutationNeoplasm ProteinsDrug Resistance, NeoplasmMolecular Sequence DataAntineoplastic Agents, HormonalBreast Neoplasms, MaleImmunohistochemistryQuinazolinesNeoplasm StagingRNA, MessengerProtein Kinase InhibitorsBlotting, WesternPhosphotyrosineEarly Detection of CancerEnzyme ActivationReceptor Tyrosine Kinase-like Orphan ReceptorsMastectomyMammary Neoplasms, ExperimentalCell LineTransfectionRisk FactorsMCF-7 CellsReverse Transcriptase Polymerase Chain ReactionCell DivisionGenes, BRCA1Cell MovementPostmenopauseCarcinoma, LobularChemotherapy, AdjuvantTyrosine 3-MonooxygenaseLung NeoplasmsCarcinomaNeoplasmsAntineoplastic Combined Chemotherapy ProtocolsGene Expression ProfilingAmino Acid SequenceApoptosisGenetic Predisposition to DiseaseCarcinoma, Intraductal, NoninfiltratingCell Transformation, NeoplasticSurvival AnalysisXenograft Model Antitumor AssaysProto-Oncogene Proteins c-metEstrogen Receptor alphaOvarian NeoplasmsEstrogensCase-Control StudiesRNA, Small InterferingProtein BindingPhosphatidylinositol 3-KinasesBreast FeedingDisease-Free SurvivalDown-RegulationPremenopauseNeoplasms, Hormone-DependentBase SequenceTime FactorsLymphatic MetastasisMammary Glands, HumanAntibodies, MonoclonalBreast Self-ExaminationNeoplasm Recurrence, LocalEnzyme InhibitorsDisease ProgressionFollow-Up StudiesProto-Oncogene Proteins c-aktSurvival Rate