PUFAs	polyunsaturated fatty acids
LC-PUFA	long-chain polyunsaturated fatty acids
MUFAs	monounsaturated fatty acids
ARA	arachidonic acid
DHA	docosahexaenoic acid
EPA	eicosapentaenoic acid
SFA	saturated fatty acid
MTBE	methyl tert-butyl ether
LC/MS	liquid chromatography-mass spectrometry
POS	Positive
NEG	negative
IDA	information-dependent basis
PCA	principle component analysis
OPLS-DA	orthogonal projections to latent structures-discriminate analysis
SIL-IS	stable isotope-labeled internal standard
RF	response factor
VIP	Variable importance in projection
DLMs	differential lipid metabolites
GP	glycerophospholipids
SP	sphingolipids
GL	glycerolipids
PC	glycerophosphatidylcholine
PA	glycerophosphatidic acid
PG	glycerophosphatidylglycerol
PE	glycerophosphatidylethanolamine
PS	glycerophosphatidylserine
PI	glycerophosphatidylinositol
TG	triacylglycerol
DG	diacylglycerol
Cer	ceramide
SM	sphingomyelin
PG	prostaglandins
PGE2	prostaglandin E2
nAChR	nicotinic acetylcholine receptor
NF-κB	nuclear factor kappa B
JAK/STAT	janus kinase/signal transducer and activator of transcription
MAPK	mitogen-activated protein kinase
TNF	tumor necrosis factor
TRAF	tumor necrosis factor receptor-associated factor
TGF-β	transforming growth factor-β
PDGF	platelet derived growth factor
FGF	fibroblast growth factor