To elucidate the role of TP73-AS1 in the proliferation of NPC cells, we applied short interference RNAs (siRNA-TP73-AS1) and the pcDNA3.1 plasmid (pcDNA-TP73-AS1) to knockdown and overexpress TP73-AS1 in CNE-2 cells, respectively. Here, TP73 is linked to nasopharyngeal carcinoma.