a.u.	Arbitrary unit
A2BAR	A2B Adenosine Receptor
AGE	Advanced Glycation End-products
ANOVA	Analysis of Variance
Akt1	AKT serine/threonine kinase 1
ATP	Adenosine Triphosphate
BAL	Bronchoalveolar Lavage
BALF	Bronchioalveolar Lavage Fluid
BSA	Bovine Serum Albumin
COL1A1	Collagen type 1 alpha 1
DLD	Diabetic Lung Disease
DM	Diabetes mellitus
ECM	Extracellular Matrix
ELISA	Enzyme-linked Immunosorbent Assay
FN	Fibronectin
GAPDH	Glyceraldehyde-3-phosphate dehydrogenase
ICC	Immunocytochemistry
H&E	Hematoxylin and Eosin
IDF	International Diabetes Federation
IHC	Immunohistochemistry
IL-1β	Interleukin-1β
IL-6	Interleukin-6
IPF	Idiopathic Pulmonary Fibrosis
iPSC	induced Pluripotent Stem Cell
JAK/STAT	Janus Kinase/Signal Transducer and Activator of Transcription
M1	M1 (Classically Activated) Macrophage
M2	M2 (Alternatively Activated) Macrophage
MTS	Masson’s trichrome stain
MΦ	Macrophage
NF-κB	Nuclear Factor Kappa-Light-Chain-Enhancer of Activated B Cells
PBS	Phosphate Buffered Saline
PB	Peribronchiolar
PFA	Paraformaldehyde
PI3K	Phosphoinositide 3-Kinase
RAGE	Receptor for AGE
ROS	Reactive Oxygen Species
RT-qPCR	Reverse Transcription quantitative Polymerase Chain Reaction
SbM	Submucosal
SD	Standard Deviation
SM	Smooth Muscle
SMAD3	SMAD Family Member 3
STZ	Streptozotocin
T2DM	Type 2 Diabetes Mellitus
TGF-β1	Transforming Growth Factor-β1
TNF-α	Tumor Necrosis Factor-α
WB	Western Blotting
α-SMA	α-Smooth Muscle Actin