Lysosomal Storage DiseasesLysosomal Storage Diseases, Nervous Systemalpha-MannosidosisGaucher DiseaseEnzyme Replacement TherapyFabry Diseasealpha-GalactosidaseMultiple Sulfatase Deficiency DiseaseLysosomesNiemann-Pick Disease, Type CFucosidosisLeukodystrophy, MetachromaticMucolipidosesMucopolysaccharidosis IIGlucosylceramidaseGlycogen Storage Disease Type IIMucopolysaccharidosis IIduronate SulfataseCerebroside-SulfataseLeukodystrophy, Globoid CellIduronidaseSphingolipidosesMucopolysaccharidosis IIIMucopolysaccharidosesNeuronal Ceroid-LipofuscinosesGangliosidosis, GM1Mucopolysaccharidosis IVSandhoff Diseasealpha-GlucosidasesMucopolysaccharidosis VIAspartylglucosaminuriaMucopolysaccharidosis VIIN-Acetylgalactosamine-4-SulfataseImino SugarsNiemann-Pick Disease, Type Aalpha-N-AcetylgalactosaminidaseMetabolism, Inborn Errors1-DeoxynojirimycinNiemann-Pick DiseasesSulfatasesDried Blood Spot TestingAspartylglucosylaminaseNiemann-Pick Disease, Type BGalactosylceramidaseSerine ProteasesCystinosisNeonatal ScreeningChondroitinsulfatasesTrihexosylceramidesSphingomyelin Phosphodiesterasebeta-N-AcetylhexosaminidasesLysosomal-Associated Membrane Protein 2Tay-Sachs DiseaseHydrops FetalisTransient Receptor Potential ChannelsGenetic TherapyDisease Models, AnimalLysosome-Associated Membrane GlycoproteinsThiolester Hydrolasesalpha-MannosidaseDipeptidyl-Peptidases and Tripeptidyl-PeptidasesMutationTRPM Cation ChannelsBlood Specimen CollectionBrainFibroblastsReceptor, IGF Type 2AutophagyGlycosaminoglycansPhenotypeBipolar DisorderGenetic VectorsDependovirusMice, KnockoutCarbohydrate Metabolism, Inborn ErrorsInfant, NewbornWolman DiseaseSialic Acid Storage DiseaseMutation, MissenseMolecular ChaperonesMental DisordersGlucuronidaseHexosaminidase BDrug StorageMolecular Sequence DataCathepsin AAnxiety DisordersImino PyranosesCells, CulturedMood DisordersTandem Mass SpectrometryLiverGangliosidoses, GM2HeterozygoteTransgenesRecombinant ProteinsMice, Inbred C57BLProteinsTransduction, GeneticMonoglycerides