Data analysis of all assay results of the caudate and putamen of the ten AD cases chosen for BACE1 mRNA analysis and age‐matched controls. A p value of <0.05 was considered significant: * indicates p < 0.05, ** indicates p< 0.01, **** indicates p < 0.0001, vs. the controls. This evidence concerns the gene BACE1 and Alzheimer disease.