KDM6B and gastric cancer: We used H. pylori strains (Hp11637 and Hp26695) to infect the gastric cancer cells, AGS and MKN-45, at different time points (2 h, 4 h, 6 h, and 8 h) based on a 100:1 ratio of bacteria to cells, and then collected the cells to detect the expression of KDM6B.