DKC1 and gastric adenocarcinoma: At first, through GEPIA (Gene Expression Profiling Interactive Analysis) and UALCAN (A Portal for Facilitating Tumor Subgroup Gene Expression and Survival Analyses) databases, it was discovered that DKC1 was upregulated in stomach adenocarcinoma (STAD) tissues in comparison with the normal tissues (Fig. 1A, B) (p < 0.05).