Ischemic Attack, TransientReperfusionBrain IschemiaInfarction, Middle Cerebral ArteryCerebral InfarctionNeuroprotective AgentsReperfusion InjuryBrain EdemaCerebrovascular CirculationIschemiaBrainDisease Models, AnimalRats, Sprague-DawleyRats, WistarCerebral CortexNitrogen OxidesTime FactorsNeuronsCorpus StriatumMyocardial IschemiaBrain InfarctionCerebral ArteriesMice, Inbred C57BLLaser-Doppler FlowmetryMiddle Cerebral ArteryBlood-Brain BarrierHypothermia, InducedTetrazolium SaltsDextrorphanCortical Spreading DepressionRats, Inbred SHRNeurologic ExaminationBrain Damage, ChronicStrokeFocal AdhesionsIn Situ Nick-End LabelingLevorphanolDNA FragmentationCell DeathImmunohistochemistryConstrictionBlood Gas AnalysisColoring AgentsBody TemperaturePregnatrienesIschemic PreconditioningGerbillinaeMice, KnockoutEnzyme InhibitorsEvans BlueMagnetic Resonance ImagingSuperoxide DismutaseEvoked Potentials, SomatosensoryRecovery of FunctionN-MethylaspartateNervous System DiseasesBlotting, WesternArterial Occlusive DiseasesDose-Response Relationship, DrugApoptosisMyocardial Reperfusion InjuryAstrocytesHypoxia, BrainChlormethiazoleMatrix Metalloproteinase 9Cerebral Arterial DiseasesCatsNitric Oxide SynthaseOxygenCaspase 3Blood PressureBrain ChemistryWarm IschemiaHypoxia-Ischemia, BrainRNA, MessengerDizocilpine MaleateGene Expression RegulationPeroxidasePapioBehavior, AnimalMice, TransgenicAntipyrineOxidative StressNecrosisRats, Inbred StrainsMyocardiumAntioxidantsIntracranial EmbolismCerebrovascular DisordersPerfusionCold IschemiaHippocampusBody WaterSignal TransductionSpinal Cord IschemiaNimodipineRegional Blood FlowAutoradiographyCells, CulturedCaudate Nucleus