Figure 1.

Aβ levels in APP/IL-1 R1-/- mice, APP/IL-1 R1+/-littermates and wild type Tg2576 mice at 6 months, 9 months and 15 months of age. Groups of mice were killed at the indicated time points and both SDS-soluble (SDS) and SDS-insoluble, formic acid extractable (FA) fractions of Aβ40 and Aβ42 were measured by capture ELISA.