Proliferating Cell Nuclear AntigenCell ProliferationClone CellsCell DivisionCells, CulturedCell Line, TumorSignal TransductionApoptosisCell CycleCell DifferentiationRNA, MessengerCell LineCell SurvivalBromodeoxyuridineCell Growth ProcessesTumor Cells, CulturedMolecular Sequence DataCell MovementBlotting, WesternImmunohistochemistryLymphocyte ActivationPhosphorylationReverse Transcriptase Polymerase Chain ReactionBase SequenceGene Expression Regulation, NeoplasticMice, Inbred C57BLTransfectionRNA, Small InterferingDown-RegulationGene Expression RegulationKi-67 AntigenFlow CytometryGene ExpressionT-LymphocytesDose-Response Relationship, DrugMice, NudeDNAAmino Acid SequenceEpithelial CellsFibroblastsTime FactorsMice, KnockoutTranscription FactorsStem CellsCyclin D1ThymidineUp-RegulationMice, TransgenicRNA InterferenceCell Transformation, NeoplasticMice, Inbred BALB CProto-Oncogene Proteins c-aktGrowth InhibitorsCell CountMutationMuscle, Smooth, VascularCyclin-Dependent Kinase Inhibitor p27DNA-Binding ProteinsEnzyme ActivationAntineoplastic AgentsCloning, MolecularCell Cycle ProteinsPhenotypeEnzyme InhibitorsProto-Oncogene ProteinsRecombinant ProteinsCyclin-Dependent Kinase Inhibitor p21Protein-Serine-Threonine KinasesProto-Oncogene Proteins c-mycGrowth SubstancesTranscription, GeneticGene Knockdown TechniquesMitogensBreast NeoplasmsExtracellular Signal-Regulated MAP KinasesHyperplasiaModels, BiologicalG1 PhaseCell AdhesionInterleukin-2Myocytes, Smooth MuscleNuclear ProteinsRats, Sprague-DawleyMAP Kinase Signaling SystemGene Expression Regulation, DevelopmentalTumor Suppressor ProteinsTumor Suppressor Protein p53Neoplasm ProteinsPhosphatidylinositol 3-KinasesGene Expression ProfilingDNA PrimersMitogen-Activated Protein Kinase 3Transforming Growth Factor betaCyclinsB-LymphocytesDisease Models, AnimalPlatelet-Derived Growth FactorMitogen-Activated Protein KinasesNeovascularization, PathologicEpidermal Growth Factor