Although the glucose transporter most involved in type two diabetes mellitus (T2DM) is the insulin-modulated GLUT4 protein, there are some GWAS data concerning the polymorphisms of the SLC2A1 gene related to T2DM (https://t2d.hugeamp.org/ (2020)) [11]. This evidence concerns the gene SLC2A4 and type 2 diabetes mellitus.