α-SMA	alpha smooth muscle actin
CAF	cancer-associated fibroblast
CM	conditioned medium
ECM	extracellular matrix
FAP	fibroblast activation protein
H&E	hematoxylin and eosin
MMP	matrix metalloproteinase
NAB2	NGFI-A-binding protein 2
NTF	non-tumor fibroblast
HNSCC	head and neck squamous cell carcinoma
siRNA	small interfering RNA
TGF-β	transforming growth factor beta