Cell CycleCell Cycle ProteinsG1 PhaseS PhaseCell DivisionPhosphorylationCell Cycle CheckpointsDisease ProgressionCyclinsMitosisCell ProliferationProtein-Serine-Threonine KinasesCell Line, TumorCell LineApoptosisG2 PhaseRetinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p27Molecular Sequence DataSignal TransductionCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase 2Cyclin D1Cells, CulturedCyclin-Dependent KinasesProtein KinasesCDC2 Protein KinaseAmino Acid SequenceDNA-Binding ProteinsCyclin EMutationCyclin ANuclear ProteinsTranscription FactorsSerineBlotting, WesternTumor Cells, CulturedEnzyme ActivationTumor Suppressor Protein p53Cyclin-Dependent Kinase 4G0 PhaseTumor Suppressor ProteinsCDC2-CDC28 KinasesTransfectionProtein BindingHeLa CellsE2F Transcription FactorsCyclin BDNA DamageFlow CytometryRNA, MessengerCell NucleusGene Expression RegulationTime FactorsEnzyme InhibitorsPhosphoproteinsDNA ReplicationG2 Phase Cell Cycle CheckpointsProto-Oncogene ProteinsE2F1 Transcription FactorModels, Biologicalcdc25 PhosphatasesCell SurvivalRNA, Small InterferingBase SequenceTranscription, GeneticDown-RegulationGenes, cdcCyclin B1G1 Phase Cell Cycle CheckpointsTyrosineCyclin DGene Expression Regulation, NeoplasticFibroblastsSaccharomyces cerevisiaeProtein-Tyrosine KinasesInterphaseCarrier ProteinsDNAProto-Oncogene Proteins c-aktSaccharomyces cerevisiae ProteinsCell Differentiation3T3 CellsKineticsRecombinant Fusion ProteinsRNA InterferenceAntineoplastic AgentsMenstrual CycleThreonineMitogen-Activated Protein KinasesTranscription Factor DP1PhosphoserineHistonesIntracellular Signaling Peptides and ProteinsReverse Transcriptase Polymerase Chain ReactionPromoter Regions, GeneticBromodeoxyuridineProteinsImmunoblottingPhosphatidylinositol 3-Kinases