Taken together, these findings suggested miRNA-936, miRNA-1306-3p, miRNA-3185, miRNA-6083, miRNA-659-3p, miRNA-6792-3p, lnc-MB21D1-3:5, lnc-PSCA-4:2 and lnc-ABCC5-2:1 were a suitable circulating biomarker in diagnosing GC. This evidence concerns the gene PSCA and gastric cancer.