NPC1 and supranuclear palsy, progressive, 1: Other genes with potential links to PSP include bassoon (BSN), chromosome 9 open reading frame 72 (C9orf72), eukaryotic translation initiation factor 2‐alpha kinase 3 (EIF2AK3), progranulin (GRN), myelin‐associated oligodendrocyte basic protein (MOBP), Niemann–Pick disease type C1 (NPC1), parkin (PARK2), Syntaxin 6 (STX6), TANK‐binding kinase 1 (TBK1), transactivation response element DNA‐binding protein (TARDBP), and several others.8, 15