Cell CycleCell Cycle ProteinsCell Cycle CheckpointsG1 PhaseProtein-Serine-Threonine KinasesCyclinsProtein KinasesMitosisCyclin-Dependent KinasesS PhaseCDC2 Protein KinasePhosphatidylinositol 3-KinasesCell DivisionCyclin-Dependent Kinase 2MAP Kinase Signaling SystemPhosphorylationCyclin-Dependent Kinase Inhibitor p27CDC2-CDC28 KinasesApoptosisCyclin-Dependent Kinase Inhibitor p21G2 PhaseRetinoblastoma ProteinProtein Kinase InhibitorsCell ProliferationCyclin-Dependent Kinase 4Menstrual CycleCell Line, TumorCalcium-Calmodulin-Dependent Protein KinasesSignal TransductionCell LineCyclin EMolecular Sequence DataG2 Phase Cell Cycle CheckpointsMutationCyclin ADNA-Binding ProteinsG0 Phasesrc-Family KinasesTumor Suppressor Protein p53Cyclin BDNA ReplicationTumor Cells, CulturedNuclear ProteinsCells, CulturedTumor Suppressor ProteinsCyclin D1DNA DamageGenes, cdcProtein Kinase CAmino Acid SequenceProtein BindingCell NucleusG1 Phase Cell Cycle Checkpointsp38 Mitogen-Activated Protein KinasesHeLa CellsProto-Oncogene ProteinsBlotting, WesternTranscription FactorsRNA, MessengerBase SequenceFlow CytometryModels, BiologicalTime FactorsMitogen-Activated Protein Kinase 1InterphaseCyclin-Dependent Kinase 6TransfectionGene Expression RegulationCyclic AMP-Dependent Protein KinasesSaccharomyces cerevisiaeProtein-Tyrosine KinasesTranscription, GeneticMitogen-Activated Protein Kinase Kinasescdc25 PhosphatasesCyclin DJNK Mitogen-Activated Protein KinasesCell SurvivalKineticsSaccharomyces cerevisiae ProteinsMitogen-Activated Protein Kinase 3Cell Differentiationp21-Activated KinasesEnzyme InhibitorsDNACyclin B1Enzyme ActivationE2F Transcription FactorsDown-RegulationCyclin-Dependent Kinase Inhibitor ProteinsFibroblastsRecombinant Fusion ProteinsMAP Kinase Kinase KinasesEstrous CycleAntineoplastic AgentsCDC28 Protein Kinase, S cerevisiaeRNA, Small InterferingMitogen-Activated Protein KinasesE2F1 Transcription FactorMicrotubule-Associated ProteinsCarrier Proteins