2-AG	2-Arachidonylglycerol
2-LG	2-Linoleoylglycerol
4-HNE	4-Hydroxynonenal
4-ONE	4-Oxynonenal
8-isoPGF2α	8-iso prostaglandin F2α
13-HODE	13-hydroxyoctadecadienoic acid
15-HETE	15-Hydroxyeicosatetraenoic acid
15d-PGJ2	15-deoxy-Δ12,14-prostaglandin J2
AEA	Anandamide
AIDS	Acquired immunodeficiency syndrome
CB	Cannabinoid receptor
COX	Cyclooxygenase
EDTA	Ethylenediaminetetraacetic acid
ELISA	Enzyme-linked immunosorbent assay
ERK5	Extracellular-signal-regulated kinase 5
FAAH	Fatty acid amide hydrolase
GC	Gas chromatography
GPR55	G protein-coupled receptor 55
HILIC	Hydrophilic interaction chromatography
HPLC	High-performance liquid chromatography
IFNγ	Interferon γ
IKK	IκB kinase
IL	Interleukin
IMQ	Imiquimod
LC	Liquid chromatography
LEA	Dihomo-γ-linolenoylethanolamine
LOX	Lipoxygenases
LPC	Lysophosphatidylcholine
LTB4	Leukotriene B4
MAGL	Monoacylglycerol lipase
MS	Mass spectrometry
NFκB	Nuclear factor kappa-light-chain-enhancer of activated B cells
NOX	NADPH oxidase
Ns	Not significant
OEA	Oleoylethanolamide
PAF-AH	Platelet-activating factor acetylhydrolase
PBS	Phosphate-buffered saline
PC	Phosphatidylcholine
PCA	Principal component analysis
PGE1	Prostaglandin E1
PI	Phosphatidylinositol
PLA2	Phospholipase A2
PLS-DA	partial least squares-discriminate analysis
PPAR	Peroxisome proliferator-activated receptor
Ps	Psoriasis vulgaris
PsA	Psoriatic arthritis
PUFAs	Polyunsaturated fatty acids
ROS	Reactive oxygen species
RT	Retention time
SIM	Selected ion monitoring
SLE	Systemic lupus erythematosus
SM	Sphingomyelin
Th	T helper lymphocytes
TNFα	Tumor necrosis factor α
TNFR	Tumor necrosis factor receptor
TRPV1	The transient receptor potential cation channel subfamily V member 1
TxA2	Thromboxane A2
TxB2	Thromboxane B2
UPLC	Ultra-performance liquid chromatography
VIP	variable importance in projection