ARE	antioxidant response element
BA	n-butyl alcohol
CAT	catalase
DCFH-DA	2′,7′-dichlorodihydrofluorescein diacetate
DTNB	5,5-dithio-bis-2-nitrobenzoic acid
EA	ethyl acetate
G6PDH	glucose 6-phosphate dehydrogenase
GAPDH	glyceraldehyde 3-phosphate dehydrogenase
GCL-c	glutamate-cysteine ligase catalytic subunit
GCL-m	glutamate-cysteine ligase modifier subunit
GPX	glutathione peroxidase
GSH	glutathione
GSR	glutathione disulfide reductase
GSSG	glutathione disulfide
GST	glutathione S-transferase
HMOX	heme oxygenase
HPLC-DAD	high-performance liquid chromatography-photodiode array detection
IL	interleukin
KEAP	kelch-like ECH-associated protein
LDH	lactate dehydrogenase
MC	methylene chloride
MMP	matrix metalloproteinase
MTT	3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium bromide
NQO	NAD(P)H quinone oxidoreductase
NRF	nuclear factor erythroid 2-related factor
PBS	phosphate-buffered saline
PM	particulate matter
qRT-PCR	quantitative reverse transcriptase-polymerase chain reaction
ROS	reactive oxygen species
SHE	Siegesbeckiae Herba extract
SOD	superoxide dismutase
TBA	2-thiobarbituric acid
TBARS	2-thiobarbituric acid-reactive substance
WT	water