Cell ProliferationCell DivisionBehavior, AnimalCells, CulturedSignal TransductionCell Line, TumorFeeding BehaviorApoptosisCell CycleCell DifferentiationBromodeoxyuridineSocial BehaviorCell MovementRNA, MessengerHealth BehaviorImmunohistochemistryCell SurvivalBehaviorCell LineMice, Inbred C57BLBlotting, WesternTime FactorsProliferating Cell Nuclear AntigenPhosphorylationLymphocyte ActivationReverse Transcriptase Polymerase Chain ReactionSexual BehaviorKi-67 AntigenDose-Response Relationship, DrugSexual Behavior, AnimalTumor Cells, CulturedGene Expression Regulation, NeoplasticRNA, Small InterferingMice, KnockoutGene Expression RegulationCell Growth ProcessesDown-RegulationEpithelial CellsFlow CytometryTransfectionChild BehaviorStem CellsExploratory BehaviorMice, TransgenicGene ExpressionT-LymphocytesCyclin D1Models, BiologicalRats, Sprague-DawleyUp-RegulationMice, NudeFibroblastsTranscription FactorsThymidineAdolescent BehaviorMolecular Sequence DataCell CountRNA InterferenceProto-Oncogene Proteins c-aktMuscle, Smooth, VascularMice, Inbred BALB CCyclin-Dependent Kinase Inhibitor p27Child Behavior DisordersDisease Models, AnimalMaternal BehaviorPhenotypeDNACell Transformation, NeoplasticEnzyme ActivationBehavior TherapyMutationCell Cycle ProteinsEnzyme InhibitorsHyperplasiaBase SequenceDNA-Binding ProteinsExtracellular Signal-Regulated MAP KinasesGene Knockdown TechniquesGene Expression Regulation, DevelopmentalGrowth InhibitorsMyocytes, Smooth MuscleStereotyped BehaviorProto-Oncogene ProteinsMitogensProto-Oncogene Proteins c-mycBreast NeoplasmsCyclin-Dependent Kinase Inhibitor p21Cell AdhesionAntineoplastic AgentsProtein-Serine-Threonine KinasesMAP Kinase Signaling SystemMitogen-Activated Protein Kinase 3G1 PhaseNuclear ProteinsGene Expression ProfilingRecombinant ProteinsMitogen-Activated Protein Kinase 1MitosisPlatelet-Derived Growth FactorFibroblast Growth Factor 2