DuodenoscopyMice, TransgenicCrohn DiseaseAlzheimer DiseaseDisease Models, AnimalAmyloid beta-PeptidesMice, Inbred C57BLAmyloid beta-Protein PrecursorTransgenesPlaque, AmyloidBraintau ProteinsPresenilin-1Gene ExpressionMice, KnockoutPromoter Regions, GeneticHuntington DiseaseGene Expression RegulationPhenotypeImmunohistochemistryNeurofibrillary TanglesMutationRNA, MessengerNeuronsAmyloid Precursor Protein SecretasesAnimals, Genetically ModifiedAmyloidOrgan SpecificityModels, AnimalMammary Neoplasms, ExperimentalNerve DegenerationNerve Tissue ProteinsTauopathiesDisease ProgressionAgingGreen Fluorescent ProteinsPlants, Genetically ModifiedMolecular Sequence DataPeptide FragmentsSignal TransductionRats, TransgenicCells, CulturedCrosses, GeneticBlotting, WesternCerebral Amyloid AngiopathyProtease NexinsBase SequenceDoxycyclineHippocampusMaze LearningReverse Transcriptase Polymerase Chain ReactionMice, Inbred CBAAntigens, Polyomavirus TransformingAmyotrophic Lateral SclerosisApoptosisGliosisLiverTime FactorsMice, Inbred BALB CGenes, ReporterCognition DisordersMemory DisordersCell DifferentiationIntegrasesAlzheimer VaccinesAmyloidosisMammary Glands, AnimalApolipoprotein E4Rotarod Performance TestUp-RegulationApolipoproteins Ealpha-SynucleinRecombinant Fusion ProteinsCell Transformation, NeoplasticLac OperonMice, Inbred DBAMice, Inbred StrainsAtrophyMammary Neoplasms, AnimalKeratin-14Aspartic Acid EndopeptidasesCell ProliferationGene Expression Regulation, DevelopmentalDNA PrimersSuperoxide DismutaseTissue DistributionMembrane ProteinsNeurofibrilsGlial Fibrillary Acidic ProteinHyperplasiaGene Knock-In TechniquesCerebral CortexNeurodegenerative DiseasesTranscription FactorsCell LineAstrocytesEmbryo, MammalianBehavior, AnimalSpleenAnalysis of Variance