PIP and Alzheimer disease: Among the total genes significantly differentially expressed in each group (3204 genes in [CuR + Aβ] vs. Aβ, 3663 genes in [Pip + Aβ] vs. Aβ and 3114 genes [CP + Aβ] vs. Aβ), only 25 genes have been identified to be involved in AD pathway, regardless of Aβ specific pathways, characterized by WikiPathways (Table 7).