MTNR1B and type 2 diabetes mellitus: Regarding rs1387153, which was located 28 kb upstream of the 5’ region of MTNR1B at chromosome 11q21-q22, Bouatia et al. confirmed that the rs1387153 T allele was associated with both increased FPG and risk of T2DM in Europeans (Bouatia-Naji et al., 2008).