ABCA	ATP-binding cassette subfamily A
AD	Alzheimer’s disease
alkSMasealkaline	SMase
α-Syn	α-synuclein
aSMase	acidSMase
Aβ	amyloid-beta
BBB	blood–brain barrier
CB	cannabinoid
Cer	ceramide
CSF	cerebrospinal fluid
DAG	diacylglycerol
ENPP7	pyrophosphatase/phosphodiesterase 7
FA	fatty acid
G	glucose
Gal	galactose
GalCer	galactosylceramide
GalCerS	galactosylceramide -synthase
GBA	glucocerebrosidase
GCer	glucosylceramide
GCerS	glucosylceramide-synthase
GM	gangliosides
LBDE	Lewy body disease early neocortical stage
LBDL	Lewy body disease limbic stage
LBDN	Lewy body disease neocortical stage
LSD	lysosomal storage diseases
ND	neurodegenerative disease
NPD	Niemann-Pick disease
nSMase	neutral SMase
OL	oligodendrocyte
OPC	oligodendrocyte precursor cell
PC	phosphatidylcholine
PD	Parkinson’s disease
S1P	sphingosine-1-phosphate
SAMD	sterile alpha motif domain containing
SGMS	phosphatidylcholine: ceramide cholinephosphotransferase
SM	sphingomyelin
SMase	sphingomyelinase
SMPD	sphingomyelin phosphodiesterase
SMPDL	sphingomyelin phosphodiesterase acid like
SMSr	SM-synthase related protein
SM-synthase	sphingomyelin-synthase
SP	sphingosine
Sph	sphingolipid
SphK	sphingosine kinase
TrihexosylCer	trihexosyl ceramide