SLC2A12 and early-onset autosomal dominant Alzheimer disease: One of the glucose transporters that has proven a role in Alzheimer’s disease is GLUT12, as a study by Pujol-Gimenez et al., in 2014 demonstrated that the expression level of GLUT12 is much higher in Alzheimer’s patients (Pujol-Gimenez et al., 2014).