Cell ProliferationCell DivisionCells, CulturedSignal TransductionCell Line, TumorApoptosisCell CycleCell DifferentiationBromodeoxyuridineRNA, MessengerCell SurvivalCell MovementTime FactorsCell LineImmunohistochemistryBlotting, WesternProliferating Cell Nuclear AntigenMice, Inbred C57BLPhosphorylationLymphocyte ActivationReverse Transcriptase Polymerase Chain ReactionKi-67 AntigenTumor Cells, CulturedDose-Response Relationship, DrugGene Expression Regulation, NeoplasticRNA, Small InterferingCell Growth ProcessesDown-RegulationFlow CytometryGene Expression RegulationEpithelial CellsReproducibility of ResultsMice, KnockoutTransfectionT-LymphocytesCyclin D1Stem CellsGene ExpressionThymidineModels, BiologicalMice, NudeMice, TransgenicUp-RegulationFibroblastsCell CountMolecular Sequence DataTranscription FactorsMuscle, Smooth, VascularRNA InterferenceDNAProto-Oncogene Proteins c-aktMice, Inbred BALB CCyclin-Dependent Kinase Inhibitor p27Rats, Sprague-DawleyEnzyme ActivationCell Transformation, NeoplasticEnzyme InhibitorsHyperplasiaCell Cycle ProteinsDisease Models, AnimalBase SequenceGrowth InhibitorsDNA-Binding ProteinsPhenotypeMyocytes, Smooth MuscleExtracellular Signal-Regulated MAP KinasesAntineoplastic AgentsBreast NeoplasmsMutationProto-Oncogene ProteinsMitogensGene Knockdown TechniquesProto-Oncogene Proteins c-mycCyclin-Dependent Kinase Inhibitor p21Gene Expression Regulation, DevelopmentalProtein-Serine-Threonine KinasesMAP Kinase Signaling SystemRecombinant ProteinsMitogen-Activated Protein Kinase 3G1 PhaseKineticsProtein BindingGene Expression ProfilingCell AdhesionMitogen-Activated Protein Kinase 1Nuclear ProteinsPlatelet-Derived Growth FactorNeovascularization, PathologicFibroblast Growth Factor 2Growth SubstancesTransforming Growth Factor betaPhosphatidylinositol 3-KinasesAmino Acid SequenceInterleukin-2S PhaseMitosisTumor Suppressor Protein p53Mitotic IndexTumor Suppressor ProteinsMitogen-Activated Protein Kinases