FBLN5 and gastric cancer: We then constructed pGL3-wild type (wt) FBLN5 Promoter-LUC and pGL3-mutant (mut) FBLN5 Promoter-LUC (used as a negative control) vectors (Fig. 5m) to carry out LUC reporter assay (Fig. 5n) in NDUFS1-overexpressing and -interfering GC cells.