ITGA8 and Parkinson disease: Of the variants with nominal associations, 1 variant in the ITGA8 3ʹ UTR (rs896435, odds ratio 1.15, 95% confidence interval 1.01–1.32, p = 0.04) is the top hit from the most recent PD GWAS,3 and 2 other ITGA8 3ʹ UTR variants are almost in perfect LD (Dʹ = 1.0, R2 > 0.99, p < 0.0001) with rs896435.