PTGDR and non-small cell lung carcinoma: SRY-box transcription factor 4 (SOX4), a novel epigenetic regulator of EMT, was increased by two lncRNAs DANCR and LEF1 antisense RNA 1 (LEF1-AS1) by sponging mir-138 and miR-489, respectively, increasing NSCLC migration and metastasis [39,55].