PLCG2 and supranuclear palsy, progressive, 1: In this study, we addressed this knowledge gap by testing the association of ABI3_rs616338-T and PLCG2_rs72824905-G in purely autopsy-confirmed cohorts of 973 patients with Lewy body disease (LBD-NP) and 1040 with PSP, compared to 3351 controls.