Neuregulin-1NeuregulinsReceptor, erbB-3Receptors, ProgesteroneReceptor, erbB-2Receptor, Epidermal Growth FactorEstrogensReceptors, EstrogenEpidermal Growth FactorGenes, erbBEstrogen Receptor alphaEstradiolBreast NeoplasmsEstrogen Receptor betaPromegestoneMifepristoneProgestinsNorpregnadienesProgesteroneProgesterone CongenersOviductsUterusGonanesImmunohistochemistryOvariectomyHormone AntagonistsEndometriumEstrogens, Conjugated (USP)RNA, MessengerTamoxifenCell Line, TumorSignal TransductionPregnancyCorpus LuteumReceptors, EstradiolGene Expression Regulation, NeoplasticEstrusMenstrual CycleReverse Transcriptase Polymerase Chain ReactionTumor Markers, BiologicalLuteinizing HormoneGene ExpressionOvaryOncogene Proteins v-erbBGene Expression RegulationMedroxyprogesterone AcetateCarcinoma, Ductal, BreastMyometriumLuteal PhaseGenes, erbB-2Selective Estrogen Receptor ModulatorsUterine NeoplasmsTransfectionPregnancy, AnimalMolecular Sequence DataBlotting, WesternCell ProliferationMammary Glands, AnimalCells, CulturedKi-67 AntigenTumor Cells, CulturedPromoter Regions, GeneticTranscription, GeneticCastrationBase SequenceOvulationPhosphorylationPrognosisEndometrial NeoplasmsGonadal Steroid HormonesCell NucleusMedroxyprogesteroneNeoplasms, Hormone-DependentEstrogens, CatecholDiethylstilbestrolTime FactorsEstrogens, Non-SteroidalCell LineEstrenesMice, TransgenicProtein IsoformsCell DivisionAromataseProtein BindingBreastCytosolImmunoenzyme TechniquesEstroneChickensTranscription FactorsSteroidsHydroxyprogesteronesReceptors, AndrogenGranulosa CellsLeiomyomaApoptosisEstrous CycleUp-RegulationAntineoplastic Agents, HormonalPostmenopause