AEC	Alveolar epithelial cell type
AP	Activator protein
ATM	Ataxia-telangiectasia-mutated
ATR	Ataxia-telangiectasia-mutated and Rad3 related
BCAA	Branch chain amino acid
BLM	Bleomycin
BrdU	Bromodeoxyuridine
CAF	Cancer associated fibroblast
CCL	CC-chemokine ligand
CDK	Cyclin-dependent kinase
COPD	Chronic obstructive pulmonary disease
CST	Cystatin-S
CXCL	C-X-C motif ligand
DAPI	4′,6-diamidino-2-phenylindole
DDR	DNA damage response
DSB	Double-strand breaks
ECM	Extracellular matrix
ESM	Extracellular senescence metabolome
GDF	Growth/ differentiation factor
GPX	Glutathione peroxidase
HMGB	High mobility group box
IGF	Insulin-like growth factor
IGFBP	Insulin-like growth factor binding protein
IL	Interleukin
ILD	Interstitial lung disease
IMRT	Intensity-modulated radiotherapy
IPF	Idiopathic pulmonary fibrosis
IR	Ionizing radiation
JAK	Janus kinase
LAMB	Lamin subunit beta
LPS	Lipopolysaccharide
LT	Leukotrien
MMP	Matrix metalloprotease
MnTBAP	Mn(III) tetrakis (4-benzoic acid) porphyrin
mTOR	Mammalian target of rapamycin
NFκB	Nuclear factor kappa B
NK	Natural killer cell
NRF	Nuclear factor (erythroid-derived 2)-like
PAI	Plasminogen activator protein
PG	Prostagladin
PI3K	Phosphoinositide-3-kinase
PTEN	Phosphatase tensin homolog
P53	Tumor protein p53, celullar tumor antigen p53
Rb	Retinoblastoma
ROS	Reactive oxygen species
SA-β-gal	Senescence-associated β-galactosidase
SAHF	Senescence-associated heterochromatin foci
SASP	Senescence-associated secretory phenotype
SBRT	Stereotactic body radiation therapy
SERPIN	Serine protease inhibitor
SERPINE	Plasminogen activator inhibitor
SIPS	Stress-induced premature senescence
SOD	Superoxide dismutase
TGFβ	Transforming growth factor beta
Rb	Retinoblastoma protein
RT	Radiotherapy
STAT	Signal transducer and activator of transcription
STC	Stanniocalcin
TERT	Telomerase reverse transcriptase
TIMP	Tissue inhibitors of metallopeptidase
TR	RNA template
XRT	Irradiation
ZEB	Zinc finger E-boxing binding homeobox