YTHDF1 and gastric cancer: Through evaluating YTHDF1 levels in varieties of GC cells (HGC‐27, BGC‐803, MKN‐45, MGC‐803, and BGC‐823) and normal gastric epithelial cell GES‐1, we found YTHDF1 levels in GC cells increased compared with that in GES‐1 (Figure 5A).