Adaptation, PhysiologicalAdaptive ImmunityAdaptation, BiologicalAlkylating AgentsMethylnitronitrosoguanidineStress, PhysiologicalOxidative StressImmunity, InnateMercaptoethylaminesSignal TransductionMice, Inbred C57BLDose-Response Relationship, RadiationBiological EvolutionMice, KnockoutAcclimatizationRadiation ToleranceTime FactorsGene Expression Regulation, BacterialO(6)-Methylguanine-DNA MethyltransferaseGene Expression RegulationRNA, MessengerMonomethylhydrazineSelection, GeneticModels, BiologicalBacterial ProteinsNF-E2-Related Factor 2Evolution, MolecularAlkylationTranscription FactorsMolecular Sequence DataGene Expression ProfilingAnoxiaMutationHypoxia-Inducible Factor 1, alpha SubunitHomeostasisHydrogen PeroxideCell HypoxiaCells, CulturedRadiation DosageGlutathioneChromolaenaGlucagon-Like PeptidesOxygenEscherichia coliPhylogenyTranscription, GeneticBystander EffectPhenotypeMethyltransferasesDNA RepairRats, Sprague-DawleyReactive Oxygen SpeciesEthyl MethanesulfonateUp-RegulationOsmotic PressureEnvironmentGlucagon-Like Peptide 2Physical Conditioning, AnimalMethyl MethanesulfonateBase SequenceGenes, BacterialRadiation GeneticsHeat-Shock ResponseEscherichia coli ProteinsReverse Transcriptase Polymerase Chain ReactionCell SurvivalHeme Oxygenase-1Muscle, SkeletalIleumDendritic CellsOligonucleotide Array Sequence AnalysisDisease Models, AnimalHypoxia-Inducible Factor 1AstringentsDNA DamageFadrozoleShort Bowel SyndromeEthylnitrosoureaOxidantsIntestine, SmallLiverGene ExpressionMutagensCell LineStress, MechanicalAntioxidantsApoptosisAgingEnergy MetabolismSuperoxide DismutaseCyprinidaeGamma RaysAdaptation, PsychologicalCytokinesBody WeightIntestinal MucosaLinear Energy TransferMice, TransgenicMice, Inbred BALB CMetabolic Networks and Pathways