EPHA2 and nasopharyngeal carcinoma: We previously established 5-8F and CNE2 NPC cell lines with stable knockdown of endogenous EphA2 by short hairpin RNA (shRNA) targeting EphA2 mRNA 3′-untranslated region, which were named as 5-8F-shEphA2 and CNE2-shEphA2, respectively37.