QM	Quercus mongolica Fisch. ex Ledeb.
PC	Pedunculagin
NF-κB	Nuclear factor-κB
STAT	Signal transducer and activator of transcription
JAK	Janus kinase
COX-2	Cyclooxygenase-2
P38	p38 mitogen-activated protein kinases
IL	Interleukin
MCP-1	Monocyte chemoattractant protein-1
JNK	c-Jun N-terminal kinase
ERK	Extracellular signal-regulated kinase
UVB	Ultraviolet B
TARC	Thymus and activation-regulated chemokine
MDC	Macrophage-derived chemokine
MAPK	Mitogen-activated protein kinase
DMEM	Dulbecco’s modified Eagle medium
HaCaT	Human keratinocytes
RT-PCR	Reverse transcription-polymerase chain reaction
PBS	Phosphate-buffered saline
LPS	Lipopolysaccharides
EtOAc	Ethyl acetate