MSCs	Mesenchymal Stem Cells
EVs	Extracellular vesicles
ARDS	Acute Respiratory Distress Syndrome
LPS	Lipopolysaccharide
HCl	Hydrochloric acid
ALI	Acute Lung Injury
TLR4	Toll-like receptor 4
DMEM	Dulbecco’s Modified Eagle Medium
FBS	Fetal bovine serum
PBS	Phosphate-buffered saline
C-EVs	Control-extracellular vesicles
LPS-EVs	LPS-extracellular vesicles
Cryo-TEM	Cryo-transmission electron microscopy
HPAEpiC	Human Pulmonary Alveolar Epithelial cells
THP-1	Human Leukemia Monocytic cell line
RPMI	Roswell Park Memorial Institute medium
PA	Pseudomonas aeruginosa
LB	Luria Broth
IL	Interleukin
RT-qPCR	Real-time quantitative reverse transcription polymerase chain reaction
NTA	Nanoparticle tracking analysis
BAL	Bronchoalveolar lavage
ACK	Ammonium chloride potassium
AM	Alveolar macrophages
H&E	Hematoxylin-eosin
LIS	Lung injury score
Arg-1	Arginase-1
MR	Mannose receptor
MPO	Myeloperoxidase
NETs	Neutrophil extracellular traps
HRP	Horseradish peroxidase
SEM	Standard error of the mean
p	p-value