LRRK2 and supranuclear palsy, progressive, 1: LINC02555 is potentially a regulatory locus for LRRK2 expression in specific cell types43 and may mediate PSP survival.44 However, this SNP is in LD with LRRK2 G2019S (rs34637584, r2 = 0.54, D′ = 0.97).