ARHGEF2 and Parkinson disease: Among these 14 SNPs, two variants, rs76763715 (alias, i4000415), a missense variant in GBA, and rs1630500, an intergenic variant in GBA, as well as three gene loci, GBA, ARHGEF2, and LMNA, were previously reported for PD association (Redenšek et al., 2017; Ferrari et al., 2018; Oyston et al., 2018).