ABCA1 and type 2 diabetes mellitus: The genome-wide association studies in 2007 have revealed many genetic variants, and some groups of single-nucleotide polymorphism (SNP) were related to T2DM, including SLC30A8, FTO, CDKAL1, CDKN2A, CDKN2B, HHEX, IGF2BP2, GCKR and ABCA1 SNPs [17,18,19].