Fig. 2

Expression of lncRNA AK023391 was associated with poor survival in patients with gastric cancer (GC). a Fluorescence in situ hybridization(FISH) analysis of the expression and cellular localization of lncRNA AK023391 in 77 patients with GC and pair-matched normal tissues. b qRT-PCR analysis of AK023391 expression in different GC cell lines and GES-1. c Receiver operating characteristic (ROC) curve analysis of the cutoff value, sensitivity, specificity and area under the curve (AUC) of AK023391 in patients with GC. d Kaplan–Meier analysis of the correlation of AK023391 expression with survival in patients with GC, as well as early stage patients. *P < 0.05, **P < 0.01