ABC	ATP-binding cassette
ABCC4	ATP-binding cassette subfamily C member 4
AECs	Alveolar epithelial cells
AFB1	Aflatoxin B1
AHR	Aryl hydrocarbon receptor
AHRR	Aryl hydrocarbon receptor repressor
AKI	Acute kidney injury
AKT	Protein Kinase B
ARNT	Aryl hydrocarbon receptor nuclear translocator
ASL	Airway surface liquid
BAL	Bronchoalveolar lavage
BaP	Benzo[a]pyrene
bHLH	Basic helix-loop-helix
CAFs	Cancer-associated fibroblasts
CBAVD	Congenital bilateral absence of the vas deferens
CF	Cystic fibrosis
CFTR	Cystic fibrosis transmembrane conductance regulator
CKD	Chronic kidney disease
CLL	Chronic lymphocytic leukemia
CUAVD	Congenital unilateral absence of the vas deferens
CYP1A1	Cytochrome P450 family 1 subfamily A member 1
CYP1B1	Cytochrome P450 family 1 subfamily B member 1
CYP2E1	Cytochrome P450 family 2 subfamily E member 1
DCs	Dendritic cells
DIM	3,3′-diindolylmethane
DSS	Dextran sulfate sodium salt
ENaC	Epithelial sodium channel
ER	Endoplasmic reticulum
ERK	Extracellular regulated protein kinase
ERQC	Endoplasmic reticulum quality control
FICZ	6-formylindole [3,2b]carbazole
FXR	Farnesoid X receptor
HSP	Heat shock protein
I3C	Indole-3-carbinol
IA	Indole-3-acrylic acid
IAA	Indole-3-acetic acid
IBD	Inflammatory bowel disease
ICA	Indole-3-carbaldehyde
IFN-α	Interferon-α
IL	Interleukin
ILA	Indole-3-lactic acid
ILC3s	Type 3 innate lymphoid cells
IPA	Indole-3-propionic acid
IS	Indoxyl sulfate
ITE	2-(1′-H-indole-3′-carbonyl) -thiazole-4-carboxylic acid methyl ester
JAK2	Janus kinase 2
Kyn	Kynurenine
LPS	Lipopolysaccharide
MMP-1	Matrix metalloproteinase-1
MSD	Membrane-spanning domain
MUC	Mucin
NBD	Nucleotide-binding domain
NF-κB	Nuclear factor kappa-B
NRF2	Nuclear factor erythroid 2-related factor 2
PAS	Per-ARNT-Sim
PGC1α	PPARG coactivator 1 α
R domain	Regulatory domain
RELMβ	Resistin-like molecule β
ROS	Reactive oxygen species
RSV	Respiratory syncytial virus
SOCS	Suppressor of cytokine signaling
SR1	Stemregenin 1
STAT	Signal transducer and activator of transcription
SULT1A1	Sulfotransferase family 1A member 1
TCDD	2,3,7,8-tetrachlorodibenzo-p-dioxin
TEER	Transepithelial electrical resistance
TFF3	Trefoil factor 3
TGF-β	Transforming growth factor-β
Th	T helper cell
TJs	Tight junctions
TLR	Toll-like receptor
TNF	Tumor necrosis factor
Tregs	Regulatory cells
Trp	Tryptophan
XAP2	X-associated protein 2