AG	Artemisia gmelinii
AGE	Artemisia gmelinii ethanol extract
AM	Alveolar macrophage
BALF	Bronchoalveolar lavage fluid
COPD	Chronic obstructive pulmonary disease
COX-2	Cyclooxygenase-2
CS	Cigarette smoke
CSE	Cigarette smoke extract
ELISA	Enzyme-linked immunosorbent assay
HO-1	Heme oxygenase-1
HPLC	High-performance liquid chromatography
IL-6	Interleukin-6
iNOS	Inducible nitric oxide synthase
IκBα	Nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor, alpha
KC	Keratinocytes-derived chemokine
LPS	Lipopolysaccharide
MAPK	Mitogen-activated protein kinase
MCP-1	Monocyte chemoattractant protein-1
MDC	Macrophage-derived chemokine
MIP-2	Macrophage inflammatory protein-2
MMP-9	Matrix metalloproteinase-9
NET	Neutrophil extracellular traps
NF-κB	Nuclear factor kappa-light-chain-enhancer of activated B cells
NO	Nitric oxide
Nrf2	Nuclear factor-E2—related factor 2
PDTC	Ammonium pyrrolidine dithiocarbamate
PPE	Porcine pancreas elastase
RANTES	Regulated upon Activation, Normal T Cell Expressed and Presumably Secreted
ROS	Reactive oxygen species
TARC	Thymus and activation-regulated chemkine
TNF-α	Tumor necrosis factor-α