Cholesterol Side-Chain Cleavage EnzymeCell CyclePhosphoproteinsSteroidsCell Cycle ProteinsCyclin-Dependent Kinase Inhibitor p27Cyclin D1CyclinsCyclin-Dependent KinasesCyclin-Dependent Kinase 2Retinoblastoma ProteinCyclin-Dependent Kinase Inhibitor p21Cyclin D3CDC2-CDC28 KinasesCyclin ACyclin EG1 PhaseCyclin-Dependent Kinase 4Cell DivisionCyclin B1S-Phase Kinase-Associated ProteinsApoptosisCyclin D2Cell ProliferationCyclin BTumor Suppressor ProteinsCDC2 Protein KinaseS PhaseCyclin DCyclin-Dependent Kinase Inhibitor p16Cell Line, TumorTumor Suppressor Protein p53RNA, MessengerBlotting, WesternNuclear ProteinsCells, CulturedPhosphorylationMitosisSignal TransductionImmunohistochemistryProtein-Serine-Threonine KinasesTranscription FactorsDNA-Binding ProteinsMolecular Sequence DataGene Expression RegulationProliferating Cell Nuclear AntigenMicrotubule-Associated ProteinsTumor Cells, CulturedCell LineCarrier ProteinsTransfectionProtein BindingDown-RegulationRNA, Small InterferingTranscription, GeneticGene Expression Regulation, NeoplasticCell Cycle CheckpointsIron Regulatory Protein 1Proto-Oncogene ProteinsCell NucleusFlow CytometryUp-RegulationEnzyme InhibitorsHeLa CellsIron Regulatory Protein 2Time FactorsCell DifferentiationDNAAntineoplastic AgentsBreast NeoplasmsBase SequenceAmino Acid SequenceLeucine-Responsive Regulatory ProteinMutationG2 PhasePromoter Regions, GeneticMenstrual CycleGene ExpressionReverse Transcriptase Polymerase Chain ReactionIron-Regulatory ProteinsG2 Phase Cell Cycle CheckpointsBacterial ProteinsGene Expression Regulation, BacterialRepressor ProteinsModels, BiologicalG0 PhaseGene Expression ProfilingDNA ReplicationG1 Phase Cell Cycle CheckpointsBinding SitesRecombinant Fusion ProteinsDNA DamageCell SurvivalSaccharomyces cerevisiaeKineticsTrans-ActivatorsCloning, MolecularProteinsNeoplasm ProteinsInterphase