HEY1 and cancer: To explore the functional effects of HEY1 on the proliferation of cancer cells, the cells were transfected with siRNAs, and the growth of SACC-LM cells was significantly inhibited in the siRNA602 and siRNA1071 groups according to the CCK8 assay (Fig. 3A, P<0.001 at days 3, 4 and 5).