From: Presenilin 1 transgene addition to amyloid precursor protein overexpressing transgenic rats increases amyloid beta 42 levels and results in loss of memory retention
PS1 mRNA
Serum Aβ42
Serum Aβ40
Brain
0.49
0.36
Kidney
0.48
0.30
Heart
0.60
0.34
Liver
0.45
0.22
Lung
0.54
0.31