Cell Cycle ProteinsCell CycleCyclin-Dependent Kinase Inhibitor p27Cyclin DCyclinsCyclin D1Cyclin-Dependent KinasesCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase 4Cyclin D2G1 PhaseRetinoblastoma ProteinCyclin B1Proliferating Cell Nuclear AntigenCell DivisionCyclin BCell ProliferationCyclin EMitosisS PhaseCyclin-Dependent Kinase 2E2F1 Transcription FactorCyclin D3Cyclin ACDC2 Protein KinaseTumor Suppressor ProteinsApoptosisCells, CulturedCDC2-CDC28 KinasesCell Cycle CheckpointsE2F Transcription FactorsTumor Suppressor Protein p53Ki-67 AntigenCell Line, TumorPhosphorylationMicrotubule-Associated ProteinsGene Expression RegulationProtein-Serine-Threonine KinasesDNA-Binding ProteinsSignal TransductionImmunohistochemistryCyclin-Dependent Kinase Inhibitor p16Blotting, WesternFlow CytometryRNA, MessengerMutationTime FactorsTranscription FactorsCell DifferentiationDNAProto-Oncogene ProteinsCell SurvivalEnzyme InhibitorsMolecular Sequence DataDown-RegulationCell LineG2 PhaseRats, Sprague-DawleyNeuronsMenstrual CycleMice, KnockoutNuclear Proteinscis-trans-IsomerasesAmino Acid SequenceTumor Cells, CulturedG2 Phase Cell Cycle CheckpointsCarrier ProteinsProtein BindingG0 PhaseCell NucleusDNA DamageGene ExpressionTransfectionDNA ReplicationG1 Phase Cell Cycle CheckpointsModels, BiologicalBase SequenceInterphaseTranscription, GeneticGenes, cdcHeLa CellsSaccharomyces cerevisiaeKineticscdc25 PhosphatasesFibroblastsEstrous CycleSaccharomyces cerevisiae ProteinsCitric Acid CycleDose-Response Relationship, DrugRNA, Small InterferingAntineoplastic AgentsBromodeoxyuridineProtein KinasesFungal ProteinsPhenotypeReverse Transcriptase Polymerase Chain ReactionRNA InterferenceGene Expression ProfilingMice, Inbred C57BLMicroscopy, Fluorescence