Findings from TCGA and GTEX databases revealed no correlation between Rab1A and GLI1 levels in stomach adenocarcinoma, while that of HER2, EGFR, AKT, mTOR and S6K were significantly correlated with Rab1A (P < 0.05) (Fig. 2B). Here, EGFR is linked to gastric adenocarcinoma.