Aβ	amyloid β
AD	Alzheimer’s disease
ALS	autophagic-lysosomal system
BBB	Blood-brain barrier
CAZy	Carbohydrate Active Enzymes
Cer	ceramide
CNS	central nervous system
EGFR	epidermal growth factor receptor
ER	endoplasmic reticulum
ERT	enzyme replacement therapy
Fuc	fucose
Gal	galactose
GalNAc	N-acetylgalactosamine
GD	Gaucher disease
GDNF	glial derived neurotropic factor
GH	glycosyl hydrolase
Glc	glucose
GlcCer	glucosylβ-ceramide
GlcNAc	N-acetylglucosamine
GLTP	Glycolipid transfer protein
GPI	glycosylphosphatidylinositol
GSL	glycosphingolipid
GT	glycosyltransferase
HPLC	high pressure liquid chromatography
HPAEC	high performance anion exchange chromatography
LacCer	lactosyl-ceramide
LC	liquid chromatography
LMP	lysosomal membrane permeability
LRP	laminin receptor protein
LSD	lysosomal storage disease
Lyso-GSL	GSL lacking the fatty acid moiety
Man-6-P	mannose-6-phosphate
MS	mass spectrometry
Neu5Ac	5-N-acetylneuraminic acid
Neu5Gc	5-N-glycolylneuraminic acid
NMR	nuclear magnetic resonance
PD	Parkinson’s disease
PPCA	Cathepsin A
SAP	saposin
SD	Sandhoff disease
SNCA	α-synuclein
TNF	tumor necrosis factor
TSD	Tay–Sachs disease
UPS	ubiquitin-proteasome system