HLA-DQA2 and Parkinson disease: In the HLA region, while the associated SNPs (rs2395163 at 32,387,809 showed the strongest association to gene expression and had the strongest association to PD in the region in the original meta-analysis) are located near the HLA-DRA gene, altered expression is seen for the genes HLA-DQA1 (at 32,605,183–32,611,428) and HLA-DQA2 (at 32,709,163–32,715,219), located 217 to 321 kb away.