Mice, KnockoutMice, NudeMice, Inbred C57BLRats, NudeGene Knockout TechniquesDisease Models, AnimalMice, TransgenicPhenotypeMice, Inbred BALB CGene TargetingGene DeletionSignal TransductionCells, CulturedMice, 129 StrainRNA, MessengerGene Expression RegulationImmunohistochemistryApoptosisLiverReverse Transcriptase Polymerase Chain ReactionBlotting, WesternBehavior, AnimalApolipoproteins ECell ProliferationCell Line, TumorTime FactorsBrainNerve Tissue ProteinsNeuronsCell LineXenograft Model Antitumor AssaysHeterozygoteHomozygoteNeoplasms, ExperimentalMutationCell DivisionMotor ActivityGene ExpressionEmbryo, MammalianTissue DistributionAnimals, NewbornMembrane ProteinsDose-Response Relationship, DrugMice, Inbred StrainsTumor Cells, CulturedCell DifferentiationHippocampusCrosses, GeneticUp-RegulationSpleenModels, AnimalGenotypeHomeostasisTransfectionMaze LearningGene Expression Regulation, DevelopmentalCarrier ProteinsTranscription FactorsKidneyOrgan SpecificityMolecular Sequence DataCell MovementFibroblastsMacrophagesIntegrasesDNA PrimersDown-RegulationBody WeightCell Transformation, NeoplasticDNA-Binding ProteinsBase SequenceLungReceptor, Serotonin, 5-HT1BNitric Oxide Synthase Type IIInflammationReceptor, Adenosine A2AExploratory BehaviorMembrane GlycoproteinsPhosphorylationAtherosclerosisCytokinesAnalysis of VarianceEmbryo LossReceptor, Muscarinic M4Interferon-gammaGenetic VectorsNeovascularization, PathologicMuscle, SkeletalOxidative StressReceptors, LDLModels, BiologicalAortaMice, Mutant StrainsCell SurvivalGene Expression ProfilingNeuropeptidesMyocardiumIn Situ Nick-End LabelingT-LymphocytesProtein Isoforms