Hypoxia induces radioresistance, epithelial?mesenchymal transition, cancer stem cell?like phenotype and changes in genes possessing multiple biological functions in head and neck squamous cell carcinoma
Hypoxia has been linked with increased resistance to treatment in various solid tumors, including head and neck squamous cell carcinoma (HNSCC). The aim of the present study was to identify genes involved in hypoxia?mediated responses to radiotherapy in HNSCC. A total of three HNSCC cell lines with an epithelial phenotype were selected for this study and cultured under normoxic (21% O2) or hypoxic