Table 1.
Morphological phenotypes of Iba1 plus microglia and area fraction for CD11b plus activated microglia in APP/PS1 doubly transgenic mice subjected to Aβ immunotherapy
Region | Microglia type/Area fraction | Control antibody | Aβ Immunotherapy |
---|---|---|---|
SGZ/GCL | % ramified Iba1+ | 36.4 ± 22.5 | 24.4 ± 4.9 |
% intermediate Iba1+ | 49.3 ± 3.3 | 57 ± 4.8 | |
% amoeboid Iba1+ | 13 ± 2.9 | 15.5 ± 2.7 | |
% round Iba1+ | 1.3 ± 0.5 | 3.2 ± 1.4 | |
Hilus | % ramified Iba1+ | 20.5 ± 2.9 | 12.4 ± 3.0 |
% intermediate Iba1+ | 57.7 ± 7.2 | 59.8 ± 3.4 | |
% amoeboid Iba1+ | 13.7 ± 4.2 | 21.5 ± 4.7 | |
% round Iba1+ | 3.3 ± 1.1 | 6.3 ± 1.1 | |
Septum | % ramified Iba1+ | 18.3 ± 3.3 | 17.7 ± 3.4 |
% intermediate Iba1+ | 57.7 ± 7.2 | 49.8 ± 3.7 | |
% amoeboid Iba1+ | 15.4 ± 5.3 | 21.4 ± 2.9 | |
% round Iba1+ | 8.6 ± 3.2 | 11.1 ± 2.7 | |
Hippocampus | % area CD11b+ | 0.50 ± 0.10 | 0.65 ± 0.11 |
Septum | % area CD11b+ | 0.84 ± 0.20 | 0.98 ± 0.31 |
Morphological subtypes of Iba1 plus microglia: ramified and intermediate represent quiescent and amoeboid and round represent activated microglia. No significant differences were observed between groups. Values are means ± SEM; n = 5 (control antibody) and n = 7 (Aβ immunotherapy).