ZEB2 and head and neck squamous cell carcinoma: To delineate the roles of ZEB2‐AS1 in HNSCC, we reduced ZEB2‐AS1 expression by transfecting three independent ZEB2‐AS1 antisense oligonucleotides 92, 265 and 316 (ASO‐ZEB2‐AS1) into Cal27 and FaDu respectively.