α-MSH	α-melanocyte-stimulating hormone
CGRP	Calcitonin gene-related peptide
CRH	Corticotropin-releasing hormone
DPPIV	Dipeptidyl peptidase IV
DRG	Dorsal root ganglion
ET-1	Endothelin-1
GRP	Gastrin-releasing peptide
GABA	Gamma-amino butyric acid
HPA	Hypothalamic-pituitary-adrenal
IL	Interleukin
JAK	Janus kinase
LCN2	Lipocalin-2
KOR	κ-opioid receptor
MC1R	Melanocortin 1 receptor
MC5R	Melanocortin 5 receptor
MOR	μ-opioid receptor
Mrgpr	Mas-related G protein-coupled receptor
NGF	Nerve growth factor
NK-1R	Neurokinin-1 receptor
NPY	Neuropeptide Y
OSMR	Oncostatin M receptor
p75	p75 neurotrophin receptor
PGA	Physician’s Global Assessment
PGE2	Prostaglandin E2
SP	Substance P
STAT	Signal transducer and activator of transcription
TrkA	Tropomyosin-receptor kinase A
TRP	Transient receptor potential
TRPA	Transient receptor potential ankyrin
TRPC	Transient receptor potential canonical
TRPM	Transient receptor potential melastatin
TRPV	Transient receptor potential vanilloid
TSLP	Thymic stromal lymphoprotein
Th	T helper type
VAP-1	Vascular adhesion protein 1
VAS	Visual Analog Scale
VEGF	Vascular endothelial growth factor