AhR	Aryl hydrocarbon Receptor
AM	Alveolar macrophages
BMDC	Bone marrow-derived dendritic cells
BMDM	Bone marrow-derived macrophages
Breg	B regulatory cells
CCL	(C-C motif) ligand
DC	Dendritic cells
DEP	Diesel exhaust particles
Der f	Dermatophagoides farinae
FICZ	6-Formylindolo[3,2-b]carbazole
Foxp3	Forkhead box P3
HDM	House dust mite
iTreg	Induced T regulatory cells
IL-	Interleukin
ILC	Innate lymphoid cells
IM	Interstitial macrophages
IRF4	Interferon regulatory factor 4
LPS	Lipopolysaccharide
MMP	Matrix metalloproteinase
MSC	Mesenchymal stem cells
NO	Nitric oxide
OVA	Ovalbumin
PAH	Poly aromatic hydrocarbons
PM	Particle matters
ROS	Reactive oxygen species
SMA	Smooth muscle actin
STAT	Signal transducer and activator of transcription
TET	Ten-eleven translocation
TGF-β	Transforming growth factor-β
Th	T helper
Treg	T regulatory cells
Tr1	Type 1 T regulatory cells
TSLP	Thymic stromal lymphopoietin
UFP	Ultrafine particles
TCDD	2,3,7,8-tetrachlorodi-p-dioxin
WT	Wild type