GENES LINKED TO ALZHEIMER'S DISEASE
GeneChromosomeAge of Onset% of Early Onset Cases% of All Cases
APP 2145 to 66< 1< 0.1
Presenilin 1 1428 to 62401 to 2
Presenilin 2 140 to 85< 1< 0.1
ApoE4 19> 60> 50 (Risk factor)
A2M 12> 70? (Risk factor)