APOE and supranuclear palsy, progressive, 1: In a previous PSP GWAS conducted by Hoglinger et al. [8], another APOE ε4 tagging SNV (rs2075650, r2 = 0.52 with rs429358) was also found to be diminished (MAF_case = 0.11 and MAF_control = 0.15) in PSP, although not reaching significance (P = 1.28 × 10–5).