SMPDL3b	sphingomyelin phosphodiesterase acid-like 3b
LSDs	lysosomal storage disorders
LCB	long-chain bases
ER	endoplasmic reticulum
NADPH	nicotinamide adenine dinucleotide phosphate
FAD	flavin adenine dinucleotide
PHS	phytosphingosine
S1P	sphingosine-1-phosphate
PSLs	phosphosphingolipid
GSLs	glycosphingolipids
SM	sphingomyelin
C1P	ceramide-1-phosphate
GlcCer	glucosylceramide; glucocerebroside
GalCer	galactosylceramide; galactocerebroside
LacCer	lactosylceramide
Gal	galactose
GalNAc	N-acetylgalactosamine
Kdn	2-keto-3-deoxy-nononic acid
Neu5Ac	N-acetylneuraminic acid
Neu5Gc	N-glycolylneuraminic
CoA	coenzyme-A
SPT	serine palmitoyltransferase
ORMDL	orosomucoid-like protein
KDSR	3-ketodihydrosphingosine reductase
CerS	ceramide synthase
SMase	sphingomyelinase
CDase	ceramidase
SphK	sphingosine kinase
CERT	ceramide transport protein
SMS	sphingomyelin synthase
DAG	diacylglycerol
ERK	extracellular signal-regulated kinase
CERK	ceramide kinase
CPTP	ceramide phosphate transfer protein
UDP-Gal	uridine diphosphate galactose
UGCG	UDP-glucose ceramide glucosyltransferase
BMP	bis(monoacylglycerol)phosphate
aSMase	acid sphingomyelinase
L-aSMase	lysosomal acid sphingomyelinase
S-aSMase	secretory acid sphingomyelinase
nSMase	neutral sphingomyelinase
alkSMase	alkaline sphingomyelinase
NPP	nucleotide pyrophosphatase/phosphodiesterase
LLBP	lysosomal lipid binding proteins
GM2A	GM2 activator protein
GH	glycosyl hydrolase
HexA	β-hexosaminidase A
aCDase	acid ceramidase
nCDase	neutral ceramidase
alkCDase	alkaline ceramidase
LPP1-3	lipid phosphate phosphatases
SPL	sphingosine-1-phosphate lyase
PLP	pyridoxal 5′-phosphate
GPCR	G-protein coupled receptor proteins
CT	cholera toxin
SV40	simian virus 40
JNK	c-Jun N-terminal kinases
BMDM	primary bone-marrow-derived macrophages
mTOR	mammalian target of rapamycin
GFR	growth factor receptors
EGFR	epidermal GFR
ERM	ezrin, radixin, and moesin
CF	cystic fibrosis
COPD	chronic obstructive pulmonary disease
SHRSP	spontaneously hypertensive stroke-prone
RTK	receptor tyrosine kinases
LT	leukotriene
5-LO	5-lipoxygenase
AA	arachidonic acid
PLA2	phospholipase A2 activity
IBD	inflammatory bowel disease
HDAC1	histone deacetylase 1
PMA	horbol 12-myristate 13-acetate
EGF	epidermal growth factor
AD	Alzheimer’s disease
PD	Parkinson’s disease
Aβ	β-amyloid peptide
APP	amyloid precursor protein
α-syn	alpha-synuclein
GD	Gaucher disease
NPD	Niemann–Pick disease