Cell CycleCell Cycle ProteinsG1 PhaseCyclinsCyclin-Dependent KinasesS PhaseMitosisCell Cycle CheckpointsCyclin-Dependent Kinase 2Cyclin-Dependent Kinase Inhibitor p27CDC2 Protein KinaseG2 PhaseCyclin-Dependent Kinase Inhibitor p21Cell DivisionRetinoblastoma ProteinCyclin-Dependent Kinase 4CDC2-CDC28 KinasesPhosphorylationCell ProliferationCyclin D1Genes, cdcProtein-Serine-Threonine KinasesMolecular Sequence DataCyclin EApoptosisTumor Suppressor Protein p53Cyclin ADNA-Binding ProteinsCyclin Bcdc25 PhosphatasesTumor Suppressor ProteinsTranscription FactorsCyclin-Dependent Kinase Inhibitor ProteinsCell Line, TumorE2F Transcription FactorsCell LineNuclear ProteinsG1 Phase Cell Cycle CheckpointsHeLa CellsRNA, MessengerBase SequenceSignal TransductionGene Expression RegulationG0 PhaseTranscription, GeneticInterphaseDNA ReplicationGene Expression ProfilingAmino Acid SequenceDNA DamageMutationCaulobacter crescentusCell NucleusCyclin-Dependent Kinase 6E2F1 Transcription FactorCyclin DFlow CytometryCyclin B1Tumor Cells, CulturedProtein BindingModels, BiologicalOligonucleotide Array Sequence AnalysisSaccharomyces cerevisiaeCyclin D3Cells, CulturedTranscription Factor DP1Retinoblastoma-Binding Protein 1Saccharomyces cerevisiae ProteinsCell DifferentiationTransfectionProtein KinasesCyclin-Dependent Kinase 5Promoter Regions, GeneticCyclin-Dependent Kinase Inhibitor p16HistonesGene Expression Regulation, NeoplasticCyclin A2Ubiquitin-Protein Ligase ComplexesBlotting, WesternDown-RegulationMicrotubule-Associated ProteinsS-Phase Kinase-Associated ProteinsS Phase Cell Cycle CheckpointsTime FactorsProto-Oncogene ProteinsCaulobacterEndoreduplicationFungal ProteinsAnaphase-Promoting Complex-CyclosomeMenstrual CycleProliferating Cell Nuclear AntigenCarrier ProteinsReverse Transcriptase Polymerase Chain Reaction3T3 CellsCell SurvivalFibroblastsRNA, Small InterferingSequence Homology, Amino AcidCyclin D2Repressor Proteins