ACTB	beta-actin gene
BDNF	brain-derived neurotrophic factor
DAPI	4′,6-Diamidin-2-phenylindol
DIG	digoxigenin
EDTA	ethylene diamine tetra acetate
EMT	epithelial–mesenchymal transition
HNSCC	head and neck squamous cell carcinoma
HPV	human papilloma virus
MMC	mitomycin C
NGF	nerve growth factor
NTRK	neurotrophic receptor tyrosine kinase
OSCC	oral squamous cell carcinoma
P75NTR	p75 neurotrophin receptor
PBS	phosphate buffered saline
PCR	polymerase chain reaction
SCID	severe combined immunodeficiency
SEM	standard error of measurement
Trk	tropomyosin-related kinase
UPPP	uvulopalatopharyngoplasty