KEGG AD pathway. Differentially expressed genes are colored. AD, Alzheimer’s disease; KEGG, Kyoto Encyclopedia of Genes and Genomes; AICD, amyloid precursor protein intracellular domain; sAPP, soluble amyloid precursor protein; APP, amyloid precursor protein; ROS, reactive oxygen species; ATP, adenosine triphosphate; NAC, non-Aβ component.