Research Paper Volume 12, Issue 20 pp 20862—20879

TREM2 ameliorates neuroinflammatory response and cognitive impairment via PI3K/AKT/FoxO3a signaling pathway in Alzheimer’s disease mice

Figure 2. The expression and localization of TREM2 and FoxO3a in the hippocampus in 5xFAD mice. (A, B) Western blot bands and its quantificational analysis of TREM2 (n=6), respectively. (F, G) Western blot bands and its quantificational analysis of FoxO3a (n=4), respectively. In which, p-FoxO3a was normalized to total FoxO3a expression and total FoxO3a was normalized to GAPDH. (C, H) The mRNA levels of TREM2 (n=6) and FoxO3a (n=4) were measured by RT-PCR in the hippocampus. (D, I) Brain sections were doubly stained with Iba-1 (green) Ab for microglia and TREM2 Ab (red) or p-FoxO3a Ab (red) in the hippocampus from 5xFAD and WT mice at 7 months old. (E, J) Quantificational analysis of the expression of TREM2 and p-FoxO3a, respectively, which were matched with Fig D and Fig I (n=5), respectively. Original magnification, 20x; Scale bar=100 μm. * P<0.05, ** P<0.01, *** P<0.001, vs WT group. Bars were represented as mean ± SEM.