MYC and leukemia: Apart from its anti‐proliferative effects determined by MTT assay, platycodin D has been shown to inhibit the expressions of c‐Myc in U937 leukaemia cells 102, phosphorylated PLCγ1 in HUVECs 118 and cyclin D1 in PC3 prostate 45 and AGS gastric 73 cancer cells.