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. 2015 Mar 9;212(3):287–295. doi: 10.1084/jem.20142322

Figure 6.

Figure 6.

TREM2 deficiency reduces astrocytosis and MAPT phosphorylation. (a and b) Astrocytosis was assessed in 4-mo-old APPPS1;Trem2+/+ (a) and APPPS1;Trem2−/− mice (b) using IHC for GFAP and 6E10 (n = 7–8). (c and f) The number of GFAP+ cells surrounding plaques was quantified (c; n = 3–4), and results were confirmed by qRT-PCR (f; n = 7–8). (d, e, g, and h) Hyperphosphorylated MAPT was detected in APPPS1;Trem2−/− (e and h) and APPPS1;Trem2+/+ mice (d and g) with AT8 (d and e) and AT180 antibodies (g and h; n = 7–8). Arrows indicate Congo red–positive plaques. (i) Quantification of the area of AT180 immunoreactivity revealed significant decreases in APPPS1;Trem2−/− mice (n = 3–4). At least two independent experiments were performed for all analyses. Error bars indicate SEM. *, P < 0.05; **, P < 0.01. Bar, 50 µm.