For instance, there were AD-associated SNPs at suggestive significance levels within ±1 Mb of probes corresponding to AP2A2, ADCY8, HLA-DQA2, HLA-DQB2, and SLC35C1 (all outside the chromosome 19q13.32 region) in our GWA meta-analyses. This evidence concerns the gene HLA-DQA2 and Alzheimer disease.