KCND2 and gastric cancer: With a view to further verifying the capabilities of KCND2 on gastric cancer cells, we first examined the levels of KCND2 in GES‐1 cells (human gastric epithelial cells) and SGC‐7901, HGC‐27, AGS and MGC‐803 cells (gastric cancer cells) by qRT‐PCR.