Cell ProliferationCell DivisionCells, CulturedSignal TransductionCell Line, TumorApoptosisCell CycleCell DifferentiationBromodeoxyuridineRNA, MessengerCell MovementCell SurvivalImmunohistochemistryCell LineBlotting, WesternProliferating Cell Nuclear AntigenLymphocyte ActivationPhosphorylationMice, Inbred C57BLKi-67 AntigenReverse Transcriptase Polymerase Chain ReactionTumor Cells, CulturedGene Expression Regulation, NeoplasticRNA, Small InterferingCell Growth ProcessesDown-RegulationGene Expression RegulationEpithelial CellsFlow CytometryDose-Response Relationship, DrugMice, KnockoutTransfectionCyclin D1T-LymphocytesStem CellsTime FactorsThymidineMice, NudeGene ExpressionUp-RegulationMice, TransgenicFibroblastsTranscription FactorsRNA InterferenceProto-Oncogene Proteins c-aktCell CountMuscle, Smooth, VascularCyclin-Dependent Kinase Inhibitor p27Mice, Inbred BALB CMolecular Sequence DataCell Transformation, NeoplasticEnzyme ActivationHyperplasiaCell Cycle ProteinsDNAGrowth InhibitorsEnzyme InhibitorsExtracellular Signal-Regulated MAP KinasesMyocytes, Smooth MuscleRats, Sprague-DawleyDNA-Binding ProteinsMitogensGene Knockdown TechniquesProto-Oncogene ProteinsProto-Oncogene Proteins c-mycCyclin-Dependent Kinase Inhibitor p21Antineoplastic AgentsGene Expression Regulation, DevelopmentalProtein-Serine-Threonine KinasesBase SequenceMAP Kinase Signaling SystemMitogen-Activated Protein Kinase 3G1 PhaseBreast NeoplasmsPhenotypeDisease Models, AnimalMutationMitogen-Activated Protein Kinase 1Models, BiologicalPlatelet-Derived Growth FactorNuclear ProteinsFibroblast Growth Factor 2Cell AdhesionGrowth SubstancesPhosphatidylinositol 3-KinasesTransforming Growth Factor betaNeovascularization, PathologicInterleukin-2S PhaseTumor Suppressor Protein p53Tumor Suppressor ProteinsRecombinant ProteinsMitogen-Activated Protein KinasesMitosisMitotic IndexGene Expression ProfilingEpidermal Growth FactorCyclinsEndothelial CellsIn Situ Nick-End Labeling