Ataxia TelangiectasiaAtaxia Telangiectasia Mutated ProteinsTelangiectasisTelangiectasia, Hereditary HemorrhagicAtaxiaTumor Suppressor ProteinsCerebellar AtaxiaCell Cycle ProteinsProtein-Serine-Threonine KinasesRetinal TelangiectasisFriedreich AtaxiaDNA-Binding ProteinsDNA DamageSpinocerebellar AtaxiasRadiation, IonizingCheckpoint Kinase 2DNA RepairGait AtaxiaGamma RaysRadiation ToleranceTumor Suppressor Protein p53DNA Breaks, Double-StrandedDNA-Activated Protein KinaseEpistaxisPhosphorylationPyronesActivin Receptors, Type IIArteriovenous MalformationsMutationHistonesNuclear ProteinsFibroblastsBipolar DisorderCell CycleDose-Response Relationship, RadiationNijmegen Breakage SyndromeStreptonigrinCell LineCREST SyndromeSignal TransductionProtein KinasesMental DisordersDNA ReplicationG2 PhaseMicrocephalyChromosome BreakageAnxiety DisordersMood DisordersHeterozygoteChromosome AberrationsApoptosisUltraviolet Rays