SLC19A3 and gastric cancer: To find out the role of hub genes in the overall survival of gastric cancer we performed a multivariate Cox regression analysis, among 21 hub genes, the eight genes (KCNJ3, CPVL, ONECUT2, SLC19A3, DDC, PRSS21, F12, and GRTP1) were designated as independent indicators of poor prognosis.