8-oxod	G 7-hydro-8-oxo-2′-deoxyguanosine
COPD	chronic obstructive pulmonary disease
Cyp	cytochrome P450
GSH-Px	glutathione peroxidase
Hsp72	heat shock protein 72
HO-1	heme oxygenase-1
ICAM-1	intercellular Adhesion Molecule 1
IL-1β	interleukin-1β
IL-6	interleukin-6
IL-8	interleukin-8
LDH	lactate dehydrogenase
MCP-1	monocyte chemoattractant protein-1
MMP-2	matrix metalloproteinases 2
NF-κB	transcription factor kappab
NO	nitric oxide
Nrf2	nuclear factor erythroid-2-related factor 2
OE-DEP	organic extract of diesel exhaust particles
PM	particulates matter
PAHs	polycyclic aromatic hydrocarbons
ROS	reactive oxygen species
SOD	superoxide dismutase
TIMP-1	tissue inhibitors of metalloproteinases-1
TNF-α	tumor necrosis factor-α
VOCs	volatile organic compounds