CIC	cancer initiating cells
CRISPR	clustered regularly interspaced short palindrome repeats
DMEM	Dulbecco’s modified Eagle medium
E6AP	E6-associated protein
HIF1α	hypoxia inducible factor 1α
HNSCC	head and neck squamous cell carcinoma
HPV	human papillomavirus
PD-1	programmed death protein-1
PD-L1	programmed cell death ligand-1
PPAR	peroxisome proliferator-activated receptor
STR	short tandem repeat
TALEN	transcription activator-like effector nucleases
Wnt	wingless/integrated