AtrophyMuscular AtrophyOptic AtrophyMuscular Atrophy, SpinalMultiple System AtrophySpinal Muscular Atrophies of ChildhoodOlivopontocerebellar AtrophiesGyrate AtrophyGeographic AtrophySurvival of Motor Neuron 1 ProteinMuscular Disorders, AtrophicMagnetic Resonance ImagingOptic Atrophy, Autosomal DominantSMN Complex ProteinsSurvival of Motor Neuron 2 ProteinHindlimb SuspensionMuscle, SkeletalBulbo-Spinal Atrophy, X-LinkedBrainGastritis, AtrophicSKP Cullin F-Box Protein LigasesOptic Atrophies, HereditaryCerebellar AtaxiaAlzheimer DiseaseUveal DiseasesOrgan SizeSupranuclear Palsy, ProgressiveMuscle ProteinsFacial HemiatrophyOrnithine-Oxo-Acid TransaminaseShy-Drager SyndromeMuscle DenervationMuscle Fibers, SkeletalCognition DisordersDisease Models, AnimalSpinocerebellar DegenerationsDisease ProgressionTemporal LobeNeuronal Apoptosis-Inhibitory ProteinPepsinogen AMyoclonic Epilepsies, ProgressiveDementiaImmobilizationAgingBrain DiseasesMacular DegenerationMotor NeuronsFundus OculiMyostatinImage Processing, Computer-AssistedCerebellar DiseasesHippocampusNerve Tissue ProteinsPedigreeCyclic AMP Response Element-Binding ProteinAnterior Horn CellsFluorescein AngiographyCeliac DiseasePepsinogen CNerve DegenerationNeurodegenerative DiseasesFrontotemporal DementiaCerebral CortexChoroidBiopsyMuscle WeaknessCerebellumMild Cognitive ImpairmentMotor Neuron DiseaseMice, TransgenicCerebral VentriclesRNA-Binding ProteinsHelicobacter pyloriGastritisGastric Mucosa