AD	Alzheimer’s disease
BBB	blood–brain barrier
CA1	cornu ammonis 1
CNS	central nervous system
DAPI	4′,6-diamidino-2-phenylindole
DEGs	differentially expressed genes
FDR	false discovery rate
GFAP	glial fibrillary acid protein
KEGG	Kyoto Encyclopedia of Genes and Genomes database
LRP1	low-density lipoprotein receptor-related protein 1
MAE	mitotic activity of the endothelium
PBS	phosphate-buffered saline
PND	postnatal day
PPI	protein–protein interaction
RT	room temperature
TJs	tight junctions