TABLE 1

Demographics, Overview of Modalities, and Results

Mouse strainSexAge (mo)Weight (g)Drop-out due to death at or after PET scan (n)PET scan successful (n)Hemispheres (n)PETβ-Amyloid plaque load (%)Autoradiography cortex-to-cerebellum ratio
HistochemistryAutoradiographySUVRBPND
APP-SweM1028.5 ± 3.9350.95 ± 0.02−0.05 ± 0.02
1328.9 ± 3.92220.94 ± 0.03−0.04 ± 0.030.35 ± 0.411.03 ± 0.04
C57BL/6 (WT)M1035.0 ± 1.9150.96 ± 0.02−0.03 ± 0.02
1342.5 ± 4.2*20.97 ± 0.02−0.03 ± 0.02
APP-SweF1326.7 ± 2.4100.97 ± 0.03−0.03 ± 0.04
1626.7 ± 1.8381.04 ± 0.070.04 ± 0.07*
2027.6 ± 2.325821.13 ± 0.110.10 ± 0.114.06 ± 2.781.51 ± 0.18
C57BL/6 (WT)F1325.4 ± 1.6280.97 ± 0.02−0.03 ± 0.02
1625.5 ± 0.980.97 ± 0.02−0.03 ± 0.03
2026.4 ± 2.56220.98 ± 0.01−0.02 ± 0.0200.98 ± 0.02
  • * P < 0.05, 2-sample t test.

  • P < 0.01, 2-sample t test.

  • P < 0.001, 2-sample t test.

  • Pilot (male mice; 10–13 mo) and main study (female mice; 13–20 mo): heterozygous APP-Swe mice and age- and sex-matched C57BL/6 (control group) mice were used. Data are mean ± SD.