POU5F1 and gastric cancer: The results of western blot showed that the expression of CD44, SALL4, c-MYC, Oct4, Nanog, and Sox2 proteins also increased in 1 μM and 10 μM DIM-treated gastric cancer cells (Figure 2B, Supplementary Figure 3A, 3C, 3E, 3F, 3G).