The GFAP areas in the hippocampus DG in different groups were as follows: WT+NS vs. AD+NS, 1.00 ± 0.18 vs. 2.03 ± 0.52, p = 0.002; AD+NS vs. AD+Dex, 2.03 ± 0.52 vs. 1.14 ± 0.32 AU, p = 0.006. Here, GFAP is linked to Alzheimer disease.