Cell ProliferationCell DivisionCells, CulturedSignal TransductionCell CycleApoptosisCell Line, TumorCell DifferentiationRNA, MessengerKi-67 AntigenCell LineImmunohistochemistryBromodeoxyuridineProliferating Cell Nuclear AntigenPhosphorylationTumor Cells, CulturedBlotting, WesternCell SurvivalCell MovementGene Expression RegulationGene Expression Regulation, NeoplasticMice, Inbred C57BLTranscription FactorsLymphocyte ActivationFibroblastsReverse Transcriptase Polymerase Chain ReactionCell Growth ProcessesDown-RegulationTransfectionCyclin D1ThymidineGene ExpressionFlow CytometryCell Transformation, NeoplasticMice, KnockoutDose-Response Relationship, DrugHyperplasiaEpithelial CellsRNA, Small InterferingTime FactorsDNA-Binding ProteinsProto-Oncogene Proteins c-mycCell Cycle ProteinsMice, TransgenicUp-RegulationCyclin-Dependent Kinase Inhibitor p21T-LymphocytesMolecular Sequence DataDNARNA InterferenceMice, NudeStem CellsMuscle, Smooth, VascularProto-Oncogene ProteinsCell CountNuclear ProteinsTumor Suppressor Protein p53Proto-Oncogene Proteins c-aktCyclin-Dependent Kinase Inhibitor p27G1 PhaseRetinoblastoma ProteinMitogensBase SequenceModels, BiologicalEnzyme ActivationMutationProtein-Serine-Threonine KinasesMyocytes, Smooth MuscleEnzyme InhibitorsTranscription, GeneticGrowth SubstancesMice, Inbred BALB CDisease Models, AnimalCyclinsExtracellular Signal-Regulated MAP KinasesPhenotypeAntineoplastic AgentsNeoplasm ProteinsTrans-ActivatorsBreast NeoplasmsGrowth InhibitorsTumor Suppressor ProteinsRecombinant ProteinsPlatelet-Derived Growth FactorMitogen-Activated Protein KinasesGene Expression ProfilingGene Expression Regulation, DevelopmentalMAP Kinase Signaling SystemGalliumRats, Sprague-DawleyS PhaseEpidermal Growth FactorMitotic IndexTransforming Growth Factor betaPhosphatidylinositol 3-KinasesCell Line, TransformedNeoplasmsE2F1 Transcription FactorGene Knockdown TechniquesRepressor Proteins