TCF7L2 and type 2 diabetes mellitus: Of those, 5 SNPs [KCNQ1 (rs2237892), CDKN2A/2B (rs10811661), SLC30A8 (rs13266634), TCF7L2 (rs7903146) and MTNR1B (rs1387153)] were found to be associated with T2D in Thai population.