ADAM	A disintegrin and metalloproteinase
AP-1	Activator protein-1
EGFR	Epidermal growth factor receptor
ELISA	Enzyme-linked immunosorbent assay
ERK	Extracellular signal-regulated kinase
FBS	Fetal bovine serum
GAPDH	Glyceraldehyde-3-phosphate dehydrogenase
IC50	50% inhibitory concentration
JNK	c-Jun N-terminal kinase
MAPK	Mitogen-activated protein kinase
MEK	Mitogen-activated protein kinase/extracellular signal-regulated kinase kinase
NF-κB	Nuclear factor κB
RAF	Rapidly accelerated fibrosarcoma
SEM	Standard error of the mean
TNF-α	Tumor necrosis factor α
TNF-R1	Tumor necrosis factor receptor 1