NLR	neutrophil to lymphocyte ratio
IPF	idiopathic pulmonary fibrosis
ILDs	interstitial lung diseases
f-ILD	fibrotic interstitial lung disease
UIP	usual interstitial pneumonia
AE-IPF	acute exacerbation of idiopathic pulmonary fibrosis
MiRNA	microRNA
EMT	epithelial-myofibroblasts’ transition
TGF-β	transforming growth factor-beta
AECIIs	Type-II alveolar epithelial cells
ILCs	immune lymphoid cells
ECM	extracellular matrix
NE	neutrophil elastase
NET	neutrophil extracellular trap
IL-4	interlukin-4
IL-10	interleukin-10
IL-13	Interleukin-13
IFN-gamma	Interferon-gamma
CCL3	chemokine C-C motif ligand 3
CCL4	chemokine C-C motif ligand 4
AMs	alveolar macrophages
M1	classically activated macrophages
M2	alternatively activated macrophages
IL-5	interleukin-5
IL-9	interleukin-9
AECIs	type-I alveolar epithelial cells
WBCs	white blood cells
MMPs	metalloproteinases
MMP-9	metalloproteinase-9
MMP-7	matrix metalloproteinases-7
AECs	alveolar epithelial cells
MMP-8	metalloproteinase-8
BALF	bronchoalveolar lavage fluid
MPO	myeloperoxidase
Th1	T helper 1
Th2	T helper 2
T regs	regulatory T cells
FVC	forced vital capacity
DLco	diffuse capacity for carbon monoxide
RCTs	randomized controlled trials
%pp	percent predicted
GSDMD	Gasdermin D
SP-D	Surfactant protein D
OPN	Osteopontin
GAP index	Gender-age-physiology index
ICAM-1	intercellular adhesion molecule-1
KL-6	Krebs von Den Lungen-6
CCL18	C-C motif ligand-18
COPD	Chronic obstructive pulmonary diseases