KCNQ1 and diabetes mellitus: The mRNA levels of KCNQ1 in each group of rats were further detected in Figure 4C, it was found that the mRNA level of KCNQ1 in diabetic rats was significantly lower than that in the normal control group (NC) (P < 0.01); compared with the diabetes mellitus group (DM), the mRNA level of KCNQ1 in the Lut treatment group (DM + Lut) was significantly increased (P < 0.01).