AA	arachidonic acid
AD	atopic dermatitis
AHR	aryl hydrocarbon receptor
AMP	antimicrobial peptide
ARCI	autosomal recessive congenital ichthyosis
CE	cornified envelope
CER(EOS)	ester-linked omega-hydroxy sphingosine
CER(EOdS)	ester-linked omega-hydroxy dihydrosphingosine
CGRP	calcitonin gene-related peptide
CLDN	claudin
DHA	docosahexaenoic acid
DPA	docosapentaenoic acid
EGF	epidermal growth factor
EPA	eicosapentaenoic acid
ERK	extracellular signal-regulated kinases
FFA	free fatty acid
FLG	filaggrin
HBD	human β-defensin
HEE	human epidermal equivalent
HMGB1	high mobility group protein B1
HPETE	hydroperoxyeicosatetraenoic acid
HRNR	hornerin
HSE	human skin equivalent
HIF-1α	hypoxia-inducible factor-1α
iPSC	pluripotent stem cell
IV	ichthyosis vulgaris
IVL	involucrin
IL	interleukin
JAK	janus kinase
JNK	c-Jun N-terminal kinases
KC	keratinocyte
KRT	keratin
LB	lamellar body
LCE	late cornified envelope
LOR	loricrin
LOX	lipoxygenase
LY	lucifer yellow
Myo5b	actin-based motor myosin Vb
NF-κB	nuclear factor ’kappa-light-chain-enhancer’ of activated B-cells
NHE-1	sodium-hydrogen antiporter 1
NMF	natural moisturizing factor
NRF2	nuclear factor (erythroid-derived 2)-like 2
OCLN	occludin
PCA	pyrrolidone carboxylic acid
PUFA	polyunsaturated fatty acid
SC	stratum corneum
SG	stratum granulosum
shRNA	short hairpin RNA
siRNA	small interfering RNA
SP	substance P
sPLA2	secretory phospholipase A2
TCDD	tetrachloro-dibenzo-dioxin
TEER	transepithelial electrical resistance
TEWL	transepidermal water loss
TGM	transglutaminase
TLR	toll-like receptor
TSLP	thymic stromal lymphopoietin
UCA	trans-urocanic acid
UV	ultraviolet
ZO-1	zonula occludens-1