ROS	reactive oxygen species
B16	mouse melanoma cells
A375 and C8161	melanoma cells
A431	human epidermoid carcinoma cells
HST	human skin tissues
JB6 P+	mouse epithelial cells
HFF-1	skin epithelial cells
HaCaT	human immortalized epidermal cells
HDF	human dermal fibroblasts
BCC	basal cell carcinoma
SCC	squamous cell carcinoma
AD	atopic dermatitis
CD	contact dermatitis
SD	solar dermatitis
AP-1	activator protein 1
Bcl-2	B-cell lymphoma 2
p53	tumor suppressor proteins and transcription factors
BOX	tumor suppressor proteins and transcription factors
caspase-3	terminal shearing enzyme during apoptosis
Bax	proapoptotic gene
Mcl-1	proapoptotic gene
ARE	antioxidant reaction element
ERK	extracellular receptor kinase
PTEN	phosphatase and tensin homolog
PCNA	proliferating cell nuclear antigen
PDCD4	programmed cell death 4
cdk2	cyclin-dependent kinases
MDA	malondialdehyde
MMPs	matrix metalloproteinases
SOD	superoxide dismutase
GSH	glutathione
GSH-Px	glutathione peroxidase
GST	glutamate sulfur transferase
GR	glutathione reductase
TIMP	tissue inhibitor of metalloproteinase
TNF-a	tumor necrosis factor alpha
EGCG	epigallocatechin gallate
CAT	catalase
COX-2	cyclooxygenase-2
ECM	extracellular matrix
HO-1	heme oxygenase
IκB	NF-κB inhibitory protein
IKK	nuclear factor kappa-B inhibitory protein kinase
IL-	interleukin-
IFN-γ	gamma interferon
iNOS	inducible nitric oxide synthase
JNK	c-Jun amino-terminal kinases
Keap1	kelch-like ECH-associated protein 1
NADPH	nicotinamide adenine dinucleotide phosphate