A negative correlation between the APT (%) and GFAP-positive astrocytes/field of the hippocampus was found in AD model rats (R2 = 0.9410, p < 0.0001 and R2 = 0.7598, p = 0.0010 for the APTSAFARI and APT values, respectively) (Figure 8B). This evidence concerns the gene GFAP and Alzheimer disease.