Mink Cell Focus-Inducing VirusesBreast NeoplasmsMCF-7 CellsCell Line, TumorMalignant CatarrhMice, Inbred AKRMammary Glands, HumanTumor Cells, CulturedBreastLeukemia Virus, MurineBisonGene Expression Regulation, NeoplasticSulfinpyrazoneDrug Resistance, NeoplasmEstrogen AntagonistsLeukemia, ExperimentalMinkEpithelial CellsTamoxifenCell ProliferationAKR murine leukemia virusApoptosisDrug Resistance, MultipleTransfectionEstrogen Receptor alphaAntineoplastic AgentsCell LineMice, NudeRNA, Small InterferingEstradiolReceptors, EstrogenCell SurvivalEstrogensDoxorubicinRNA, MessengerNorpregnadienesP-GlycoproteinEstrogen Receptor ModulatorsCell Transformation, NeoplasticSignal TransductionCell DivisionDrug Screening Assays, AntitumorReceptor, erbB-2Neoplasm ProteinsNeoplasm InvasivenessBase SequenceCell MovementCell CycleSpheroids, CellularMitoxantroneBlotting, WesternReverse Transcriptase Polymerase Chain ReactionTransplantation, HeterologousMolecular Sequence DataHerpesviridaeDown-RegulationGene Expression ProfilingEpithelial-Mesenchymal TransitionGene Knockdown TechniquesTumor Suppressor Protein p53Cathepsin DRetroviridae InfectionsRNA InterferencePoly(ADP-ribose) PolymerasesPromoter Regions, GeneticAdenine Nucleotide Translocator 2Friend murine leukemia virusTranscription, GeneticMegestrolMuridaeGenes, ViralGammaherpesvirinaeNeoplasm TransplantationPhosphorylationCell Growth ProcessesUp-RegulationFlow CytometryThrombelastographyGene ExpressionProto-Oncogene Proteins c-bcl-2Mammary Neoplasms, ExperimentalDiagnostic Techniques, RadioisotopeAntineoplastic Agents, PhytogenicLindaneRNA, NeoplasmNeoplastic Stem CellsAntineoplastic Agents, HormonalCell Line, TransformedAndrostenediolNeuregulin-1Oligonucleotide Array Sequence AnalysisPhosphatidylinositol 3-KinasesAmino Acid SequencePyrimidine NucleosidesEnzyme InhibitorsViruses, UnclassifiedRetinoblastoma-Binding Protein 7Xenograft Model Antitumor AssaysCaspasesCloning, Molecular