XKR6 and type 2 diabetes mellitus: Previous GWAS has demonstrated that the rs7819412 single nucleotide polymorphism (SNP) near the XKR6 gene (XKR6; also knows as: XRG6; C8orf5; C8orf7; C8orf21, GeneID: 286046, HGNC: 27806, locus type: gene with protein product, located in chromosome 8p23.1) was associated with TG levels and T2DM in Europeans [16].