PFKFB3 and nasopharyngeal carcinoma: Real-time PCR and western blot analysis confirmed that LINC00930 knockdown markedly decreased the expression level of PFKFB3 (Fig. 3c and S3j), while LINC00930 overexpression upregulated the expression levels of PFKFB3 (Fig. 3d and S3k) in NPC cells.