PDS5B and gastric cancer: The expression of these five chosen DDR-related lncRNAs in TCGA-STAD was further plotted using a heatmap and box line diagram (Figures 1D, E), and it was revealed that their expression was significantly different; AC145285.6, AL590705.3, AC007405.3, and LINC00106 expression was increased in GC tissues, but MAGI2-AS3 expression was decreased.