Our meta-analyses of 10 polymorphisms showed significant evidence for 3 T1D-associated SNPs (NLRP1 rs12150220, IL2RA rs11594656, and CLEC16A rs725613) and 1 T2D-associated SNP (APOA5 −1131T/C). This evidence concerns the gene APOA5 and type 2 diabetes mellitus.