DNAJA1 and Alzheimer disease: DnaJA1 is highly expressed in pyramidal cells of the hippocampus (https://www.proteinatlas.org/ENSG00000086061‐DNAJA1/tissue), the main site of human AD pathology (Davies et al, 1992) and has been found to be dysregulated in post mortem hippocampi of AD patients (Sorrentino et al, 2017).