α-MSH	α-melanocyte stimulating hormone
AD	atopic dermatitis
AP-1	activating protein-1
BDNF	brain-derived neurotrophic factor
CGRP	Calcitonin gene-related peptide
CGRP-KCM	CGRP-stimulated keratinocytes
CNI	cutaneous neurogenic inflammation
CRF/-H	corticotropin-releasing factor/- hormone
CSU	chronic spontaneous urticaria
DRG	dorsal root ganglion
DAMPs	damage-associated molecular patterns
ICAM	intracellular adhesion molecule
iCa2+	intracellular Ca2+
HMGB1	high mobility group box 1
HPA	hypothalamic-pituitary-adrenal
HSP	heat shock protein
MCAS	mast cell activation syndrome
MCs	mast cells
Mrgprs	Mas-related G-coupled protein receptors
MRGPRX2	Mas-related G protein-coupled receptor X2
MMPs	matrix metalloproteinases
NF-κB	nuclear factor κB
NGF	nerve growth factor
NGF-TrkA	nerve growth factor (NGF)-Tropomyosin-related kinase A receptor (TrkA)
NIC	neuro-immuno-cutaneous
NICE	neuro-immuno-cutaneous-endocrine
NK1- 3R	neurokinin-1−3 receptors
NPY	neuropeptide Y
NT-3/4	Neurotrophin-3/-4
PAF	platelet-activating factor
PAMP	pathogen-associated molecular pattern
PAR	protease-activated receptor
PG	prostaglandin
POMC	proopiomelanocortin
PRR	pattern-recognition receptor
SM	systemic mastocytosis
SP	substance P
SST	Somatostatin
TLR	Toll-like receptors
TrkA	tropomyosin receptor kinase A
TRP	transient receptor potential
TRPA	transient receptor potential Ankyrin
TRPV	transient receptor potential vanilloid
TSLP	thymic stromal lymphopoietin
VCAM	vascular cell adhesion molecule
VEGF	vascular endothelial growth factor
VIP	vasoactive intestinal peptide