Other functions of BRCA1, including regulation of cell cycle [38,39,40] and oxidative stress [27,41], which have also been suggested to be related to neurodegenerative diseases including AD, PiD, and PSP [42,43,44,45,46], may also be involved as suggested by other authors [8,9,11]. Here, BRCA1 is linked to supranuclear palsy, progressive, 1.