PTEN and nasopharyngeal carcinoma: To elucidate the roles of MEG3 and PTEN in autophagy and apoptosis of NPC cells, HK‐1 cells were treated with oe‐NC plus sh‐NC, oe‐MEG3 plus sh‐NC and oe‐MEG3 plus sh‐PTEN, followed by RT‐qPCR and Western blot analyses, respectively.