DEX	dexamethasone
NHEK	normal human epidermal keratinocytes
TLR2	Toll-like receptor 2
NF-κB	nuclear factor kappa B
MAPK	mitogen-activated protein kinase
p38	p38 mitogen-activated protein kinase
JNK	c-Jun N-terminal kinase
ERK	extracellular signal-regulated kinase
MEK	MAPK/ERK kinase
MKP-1	MAP kinase phosphatase-1
GR	glucocorticoid receptor
MOI	multiplicity of infection
ELISA	enzyme-linked immunosorbent assay
PBS	phosphate-buffered saline
HRP	horseradish peroxidase
SD	standard deviation