Cell CycleCell Cycle ProteinsGerm CellsCell Cycle CheckpointsG2 PhaseCheckpoint Kinase 2DNA DamageGenes, cdcMitosisNeoplasms, Germ Cell and EmbryonalS PhaseAtaxia Telangiectasia Mutated ProteinsProtein-Serine-Threonine KinasesG1 PhaseG2 Phase Cell Cycle CheckpointsTumor Suppressor Protein p53DNA RepairProtein KinasesDNA-Binding ProteinsTumor Suppressor ProteinsCyclinsNuclear ProteinsCell DivisionDNA ReplicationCyclin-Dependent Kinase Inhibitor p21cdc25 PhosphatasesM Phase Cell Cycle CheckpointsPhosphorylationApoptosisCDC2 Protein KinaseGamma RaysNotochordCyclin BHydroxyureaRadiation, IonizingAtaxia TelangiectasiaSpindle ApparatusMutationSignal TransductionG1 Phase Cell Cycle CheckpointsTestisSpermatogenesisRetinoblastoma ProteinCell Line, TumorCell LineMolecular Sequence DataRadiation ToleranceCyclin B1Genomic InstabilitySaccharomyces cerevisiae ProteinsCell ProliferationGene Expression Regulation, DevelopmentalSchizosaccharomycesHeLa CellsEmbryonic InductionS Phase Cell Cycle CheckpointsNeural TubeSaccharomyces cerevisiaeModels, BiologicalCell DifferentiationFlow CytometryCyclin-Dependent Kinase 2Transcription FactorsNocodazoleTesticular NeoplasmsUltraviolet RaysFibroblastsSchizosaccharomyces pombe ProteinsCell NucleusHistonesDNA Breaks, Double-StrandedCells, CulturedCyclin EDNAAmino Acid SequenceTumor Cells, CulturedCyclin-Dependent Kinase Inhibitor p27Fungal ProteinsHedgehog ProteinsCell SurvivalChromosomal InstabilityBase SequenceCyclin ASpermatozoaCDC2-CDC28 KinasesGrowth PlateProteinsTime FactorsMenstrual CycleMeiosisRNA, MessengerGenes, p53Cyclin D1BRCA1 ProteinImmunohistochemistryProtein BindingRNA, Small InterferingGerminomaMimosineHepatocyte Nuclear Factor 3-beta