| CRP | C-reactive protein |
| IL | interleukin |
| TNF | tumor necrosis factor |
| CGRP | calcitonin gene-related peptide |
| MO | migraine without aura |
| SP | substance P |
| MZ | monozygotic twins |
| DZ | dizygotic twins |
| HIS | International Headache Society |
| GWAS | genome-wide association studies |
| FHM | familial hemiplegics |
| ATP | adenosine triphosphate |
| CACNA1A | calcium voltage-gated channel subunit alpha1 A |
| GWA | genome-wide association meta-analysis |
| SNP | single nucleotide polymorphism loci |
| WGHS | Women’s Genome Health Study |
| FGF6 | fibroblast growth factor 6 |
| HPSE2 | heparanase 2 |
| NPFF | neuropeptide precursor of the FF-amide peptide |
| ASIC | acid-sensitive ion channels |
| CSD | cortical diffusion depression |
| NSAIDs | nonsteroidal anti-inflammatory drugs |
| DHE | dihydroergotamine |
| 5-HT | 5-hydroxytryptamine |
| NF-κB | nuclear factor kappa-light-chain-enhancer |
| SNAP | synaptosomal-associated protein |
| ACE | angiotensin-converting enzyme inhibitors |
| ARB | angiotensin receptor blocker |
| MTHFR | methylenetetrahydrofolate reductase |
| MTRR | methionine synthase reductase |
| CoQ10 | coenzyme Q10 |
| NMDA | N-methyl-D-aspartate |
| MMD | migraine days monthly |
| CGRP | calcitonin gene-related peptide |
| CNS | central nervous system |
| PNS | peripheral nervous systems |
| LC | locus coeruleus |
| PAG | periaqueductal grey matter |
| VIP | vasoactive intestinal polypeptide |
| VPAC1 and VPAC2 | vasoactive intestinal polypeptide receptors 1 and 2 |
| PACAP | pituitary adenylate cyclase-activating polypeptide |
| SPG | parasympathetic sphenopalatine ganglia |
| MCAs | middle cerebral arteries |
| MMAs | middle meningeal arteries |
| NPY | neuropeptide Y |
| TRIG | trigeminal ganglia |