4-PBA	4-phenylbutyrate
AARE	Amino-acid responsive element
AEC	Alveolar epithelial cell
ATF	Activating transcription factor
BAPTA	1,2-bis(o-aminophenoxy)ethane-N,N,N,N-tetraacetic acid
ER	Endoplasmic reticulum
ERSE	ER stress element
HIF	Hypoxia inducible factor
HRE	Hypoxia responsive element
IPF	Idiopathic pulmonary fibrosis
IRE-1	Inositol-requiring endonuclaease-1
mRNA	messenger RNA
PERK	PKR-ER like kinase
RL	Renilla reniformis luciferase
TTF1	Thyroid transcription factor 1
UPR	Unfolded protein response
YC-1	5′-hydroxymethyl-2′-furyl)-1-benzyl indazole
ZO-1	Zonula occludens 1