As shown in Fig. 3, compared to the control group, rats with T2D had higher mRNA expressions of sialin in the stomach, eAT, adrenal gland, liver, and soleus muscle by 2.1, 2.0, 1.7, 8.9, and 3.4 folds, respectively. The gene discussed is SLC17A5; the disease is type 2 diabetes mellitus.