Proliferating Cell Nuclear AntigenCell ProliferationClone CellsApoptosisCell DivisionCells, CulturedCell Line, TumorSignal TransductionCell CycleCell SurvivalCell DifferentiationCell LineRNA, MessengerTumor Cells, CulturedBlotting, WesternCaspasesCaspase 3Apoptosis Regulatory ProteinsProto-Oncogene Proteins c-bcl-2ImmunohistochemistryBromodeoxyuridineMice, Inbred C57BLFlow CytometryPhosphorylationReverse Transcriptase Polymerase Chain ReactionLymphocyte ActivationMolecular Sequence DataCell MovementTransfectionIn Situ Nick-End LabelingInhibitor of Apoptosis ProteinsRNA, Small InterferingDown-RegulationEnzyme ActivationGene Expression Regulation, NeoplasticDose-Response Relationship, DrugGene Expression RegulationBase SequenceT-LymphocytesMice, KnockoutTime FactorsTumor Suppressor Protein p53Ki-67 AntigenGene ExpressionEpithelial CellsUp-RegulationProto-Oncogene ProteinsDNA FragmentationProto-Oncogene Proteins c-aktFibroblastsCell Growth ProcessesEnzyme InhibitorsAntineoplastic AgentsDNAMice, TransgenicMice, Nudebcl-2-Associated X ProteinRNA InterferenceAmino Acid SequenceTranscription FactorsStem CellsMice, Inbred BALB CCyclin D1DNA-Binding ProteinsCell CountMutationProtein-Serine-Threonine KinasesCell Transformation, NeoplasticRats, Sprague-DawleyMuscle, Smooth, VascularCell Cycle ProteinsThymidineCyclin-Dependent Kinase Inhibitor p21Recombinant ProteinsCyclin-Dependent Kinase Inhibitor p27X-Linked Inhibitor of Apoptosis ProteinModels, BiologicalProto-Oncogene Proteins c-mycNeoplasm ProteinsPhenotypeExtracellular Signal-Regulated MAP KinasesDisease Models, AnimalGene Knockdown TechniquesMitogen-Activated Protein KinasesCloning, MolecularMAP Kinase Signaling SystemNuclear ProteinsMitochondriaPhosphatidylinositol 3-KinasesGrowth InhibitorsCell DeathCaspase 9Transcription, GeneticTumor Suppressor ProteinsBreast NeoplasmsCaspase InhibitorsG1 PhaseHyperplasiaGene Expression Regulation, DevelopmentalMyocytes, Smooth Muscle