2-AG	2-arachidonoylglycerol
AMPA	α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid
AMT	anandamide membrane transporter
ATP	adenosine triphosphate
CBR	cannabinoid receptor
CGRP	calcitonin gene-related peptide
CM	chronic migraine
CNS	central nervous system
CRPS	complex regional pain syndrome
CSF	cerebrospinal fluid
DSPN	distal sensorimotor polyneuropathy
EM	episodic migraine
FAAH	fatty acid amide hydrolase
FHM	familial hemiplegic migraine
HIV	human immunodeficiency virus
IASP	International Association for the Study of Pain
IL	interleukin
KYN	kynurenine
KYNA	kynurenic acid
L-KYN	L-kynurenine
M0	migraine without aura
MA	migraine with aura
mAbs	monoclonal antibodies
MAGL	monoacylglycerol lipase
MAPK	mitogen-activated protein kinase
MRI	magnetic resonance imaging spectroscopy
mRNA	messenger ribonucleic acid
nd	no data available
NMDA	glutamatergic N-methyl-D-aspartate
NP	neuropathic pain
NTG	nitroglycerine
PDN	painful diabetic neuropathy
PEA	palmitoylethanolamide
PET	positron emission tomography
PHN	postherpetic neuralgia
RCT	randomized controlled trial
SNP	single nucleotide polymorphism
TCC	trigemino-cevical complex
TNF	tumor necrosis factor
Trp	tryptophan
TRP	transient receptor potential
TRPA	transient receptor potential ankyrin
TRPC	transient receptor potential canonical
TRPM	transient receptor potential melastatin
TRPML	transient receptor potential mucolipin
TRPP	transient receptor potential polycystin
TRPV	transient receptor potential vanilloid
TSPO	translocator protein